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Chapter 15
Paramedic: Airway and Ventilation
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09/21/2012

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Term
How long can the brain survive without oxygen before permanent death of brain cells occurs?
Definition
6 minutes or so 712
Term
What is a major cause of preventable death in the prehospital setting?
Definition
Airway Management 712
Term
What is the approach all paramedics should take when dealing with airway management?
Definition
Basic-to-Advanced 712
Term
What consists of all the structures in the body that make up the airway and help us breathe, or ventilate?
Definition
Respiratory System 712
Term
What is the movement of air into and out of the lung?
Definition
Ventilation 712
Term
What are the muscles responsible for the regular rise and fall of the chest that accompany normal breathing?
Definition
Diapharagm and Intercostal Muscles 712
Term
What consists of all anatomic airway structures above the level of the vocal cord?
Definition
Upper Airway 712
Term
What part of the body are the nose, mouth, jaw, oral cavity, and phaynx (throat)?
Definition
Upper Airway 712
Term
What is considered that point of division between the upper and lower airways?
Definition
Larynx 712
Term
The major function of ____ are to warm, filter, and humidify air as it enters the body through the nose and mouth.
Definition
Upper Airway 712-713
Term
What is a muscular tube that extends from the nose and mouth to the level of the esophagus and trachea?
Definition
Pharynx 713
Term
What is composed of the nasopharynx, oropharynx, and the laryngopharynx (hypopharynx)?
Definition
Pharynx 713
Term
What is the lowest portion of the pharynx; it opens into the larynx anteriorly and the esophagus posteriorly?
Definition
Laryngopharynx 713
Term
What is the nasal cavity and it is formed by the union of facil bones?
Definition
Nasopharynx 713
Term
What are three bony shelves that protrude from the lateral walls of the nasal cavity and extend into the nasal passageway, parallel to the nasal floor.
Definition
Turbinates 713
Term
What is the nasopharynx divided into by two passages?
Definition
Nasal Septum 713
Term
What is a rigid partition composed of the ethmoid and vomer bones and cartilage?
Definition
Nasal Septum 713
Term
What prevents contaminants from entering the respiratory tract and act as tributaries for fluid to and from the eustachian tubes and tear ducts?
Definition
Sinuses 713
Term
What are referred to as the frontal and maxillary sinuses?
Definition
Paranasal Sinuses 713
Term
What is CSF drainage from the nose?
Definition
Cerebrospinal Rhinorrhea 713
Term
What is CSF drainage from the ears?
Definition
Cerebrospinal Otorrhea 713
Term
What forms the posterior portion of the oral cavity, which is bordered superiorly by the hard and soft palates, laterally by the cheeks, and inferiorly by the tongue?
Definition
Oropharynx 714
Term
What is the entry of fluids or solids into the trachea, bronchi, and lungs?
Definition
Aspiration 714
Term
What is the tongue attached to?
Definition
Mandible and Hyoid Bone 714
Term
Bone that is a small, horseshoe-shaped bone to which the jaw, epiglottis, tongue, and thyroid cartilage attach to?
Definition
Hyoid Bone 714
Term
What is the most common cause of anatomic upper airway obstruction?
Definition
Tongue 714
Term
What forms the roof of the mouth and seperates the oropharynx and nasopharynx?
Definition
Palate 714
Term
What is formed by the maxilla and palatine bones?
Definition
Hard Palate 714
Term
What is the posterior border of the oral cavity and is an extension of the soft palate.
Definition
Palatoglossal Arch 714
Term
What is a soft-tissue structure that resembles a punching bag, extends into the palatoglossal arch at the base of the tongue in the posterior aspect of the oral cavity?
Definition
Uvula 714
Term
What is the entrance to the throat, or pharynx?
Definition
Palatopharyngeal Arch 714
Term
What are paired structures that lie just behind the walls of the palatoglossal arch, anterior to the palatopharyngeal arch?
Definition
Palatine Tonsils 715
Term
What else is the pharyngeal tonsils called?
Definition
Adenoid 715
Term
What is located on the posterior nasopharyngeal wall?
Definition
Adenoid 715
Term
What tonsils are located at the base of the tongue?
Definition
Lingual 715
Term
What is the function of the lower airway?
Definition
Exchange O2 and CO2 715
Term
What is a complex structure formed by many independent cartilaginous structures and it marks where the upper airway ends and the lower airway begins?
Definition
Larynx 715
Term
What is a sheild-shaped structure formed by two plates that join in a "V" shaped anteriorly to form the laryngeal prominence known as the Adam's apple?
Definition
Thyroid Cartilage 715
Term
What lies inferiorly to the thyroid cartilage; it forms the lowest portion of the larynx?
Definition
Cricoid Cartilage or Cricoid Ring 715
Term
What is the first ring of the trachea and the only upper airway structure that forms a complete ring?
Definition
Cricoid Cartilage or Cricoid Ring 715
Term
What is located between the thyroid and cricoid cartilage and is a site for the cricothyrotomy procedure?
Definition
Cricothyroid Membrane 715
Term
What is the space between the vocal cords and the narrowest portion of the adult airway?
Definition
Glottis or Glottic Opening 715
Term
What are the lateral borders of the glottis and consist of white bands of tough tissue?
Definition
Vocal Cords 715
Term
What is the leaf-shaped cartilaginous flap that prevents food and liquid from entering the glottis during swallowing?
Definition
Epiglottis 715
Term
What is the epiglottis attached to the thyroid cartilage by?
Definition
Thyroepiglottic Ligament 715
Term
What is the epiglottis attached to the the base of the tongue by?
Definition
Glossoepiglottic Ligament 715
Term
What is the epiglottis attached to the hyoid bone by?
Definition
Hyoepiglottic Ligament 715
Term
What is the anatomic space, or "pocket," located between the base of the tongue and the epiglottis?
Definition
Vallecula 716
Term
What are at the inferior border of the glottic opening and appear as bumps just below the glottis?
Definition
Corniculate and Cuneiform Cartilage 716
Term
What are pyramidlike cartaginous structures that form the posterior attachment of the vocal cords; they are valuable guides for ET intubation?
Definition
Arytenoid Cartilage 716
Term
What is sometimes called the voice box?
Definition
Larynx 716
Term
What are two pockets of tissue on the lateral borders of the larynx?
Definition
Piriform Fossae 716
Term
What is a spasmodic closure of the vocal cords, which seals off the airway?
Definition
Laryngospasm 716
Term
What is the conduit for air entry into the lungs?
Definition
Trachea 716
Term
What is a tubular structure that is approximately 10-12 cm long and consists of a series of C-shaped cartilagious rings?
Definition
Trachea 716
Term
What begins immediately below the cricoid cartilage and descends anteriorly down the midline of the neck and chest to the level of the 5th or 6th thoracic vertebra in the mediastinum?
Definition
Trachea 716
Term
What is the space between the lungs that contains the trachea, the heart, great vessels, and a portion of the esophagus?
Definition
Mediastinum 716
Term
What divides the trachea into left and right mainstem brochi, which is located approximately at the level of the sternal angle of Louis?
Definition
Carina 716
Term
What are the main branches of the trachea?
Definition
Bronchi 716
Term
What kind of mucous-producing cell are the trachea and mainstem bronchi lined with?
Definition
Goblet Cells 716
Term
What are cells that secrete a sticky lining that traps small particles and other potential contaminants?
Definition
Goblet Cells 716
Term
What move back and forth to sweep foreign materila out of the airway?
Definition
Cilia 716
Term
When stimulated it results in bronchodilation.
Definition
Beta-2 Adrenergic Receptors 716
Term
What lines the trachea and mainstem brochi?
Definition
Goblet Cells, Cilia, and Beta-2 Adrenergic Receptors 716
Term
What do all the blood vessels and the bronchi enter each lung?
Definition
Hilum 716
Term
In total how much air can the lungs hold?
Definition
Approximately 6L 716
Term
How many lobes does the right lung have?
Definition
3 716
Term
How many lobes does the left lung have?
Definition
2 716
Term
What is the thin, slippery outer membrane that covers the lungs?
Definition
Visceral Pleura 716
Term
What lines the inside of the thoracic cavity?
Definition
Parietal Pleura 716
Term
What are made of smooth muscle and lined with Beta-2 adrenergic receptors, can dilate or constrict in response to various stimuli?
Definition
Bronchioles 716
Term
What are the ballonlike clusters of single-layer air sacs where the functional site for the exchange of oxygen and carbon dioxide?
Definition
Alveoli 716
Term
The alveoli are lined with a phospholipid compound call _____, which decreases surface tension on the alveolar walls and keeps them expanded.
Definition
Surfactant 716
Term
What is a collapse of the alveoli called?
Definition
Atelectasis 716
Term
What systems work together to ensure that a constant supply of oxygen and nutrients is delivered to every cell in the body and that carbon dioxide and other waste products are removed from every cell?
Definition
Respiratory and Cardiovascular 717
Term
What is the process of moving air into and out of the lungs and is necessary for oxygenation and respiration?
Definition
Pulmonary Ventilation 717
Term
What are the 2 phases of ventilation?
Definition
Inhalation and Exhalation 717
Term
What is the active, muscular part of breathing?
Definition
Inhalation 717
Term
What is it called when the diaphragm and intercostal muscles contract?
Definition
Inhalation 717
Term
What is the physical act of moving air into and out of the lungs?
Definition
Ventilation 717
Term
What is the process of loading oxygen molecules onto hemoglobin molecules in the bloodstream?
Definition
Oxygenation 717
Term
What is the actual exchange of oxygen and carbon dioxide in the alveoli and the tissues of the body?
Definition
Respirations 717
Term
What are the secondary muscles of breathing, and include the sternocleidomastoid and trapezius muscles of the neck?
Definition
Accessory Muscles 718
Term
Drawing of air into the lungs; air flow from a region of higher pressure (outside body) to a region of lower pressure (the lungs); occurs during normal unassisted breathing.
Definition
Negative-Pressure Ventilation 718-719
Term
What is the forcing of air into the lungs?
Definition
Possitive-Pressure Ventilation 719
Term
What states that the pressure of a gas is inversely proportional to its volume?
Definition
Boyle's Law 717
Term
What is a term that is used to describe the amount of gas in air or dissolved in liquid, such as the blood and is governed by Henry's law?
Definition
Partial Pressure
Term
What states that the amount of gas in a solution varies directly with the partial pressure of a gas over a solution?
Definition
Henry's Law
Term
What is the partial pressure of oxygen in air residing in the alveoli?
Definition
104 mm Hg 719
Term
What is the partial pressure of carbon dioxide in the alveoli?
Definition
40 mm Hg 719
Term
Volume of inhaled air that reaches the alveoli and participates in gas exchange; equal to tidal volume minus dead space volume and is approximately 350 mL in an average adult.
Definition
Alveolar Volume or Alveolar Ventilation 719
Term
What is a measure of the depth of breathing and is the amount of air that is moved into or out of the respiratory tract during one breath?
Definition
Tidal Volume 719
Term
What is the normal tidal volume for a healthy adult?
Definition
5-7 mL/kg (about 500mL) 719
Term
What is the normal tidal volume for infant and children?
Definition
6-8 mL/kg 719
Term
What is the portion of the tidal volume that does not reach the alveoli and, therefore, does not participate in gas exchange?
Definition
Dead Space Volume 719
Term
What contains air that remains in the mouth, nose, trachea, bronchi, and larger bronchioles, which can add up to approximately 150 mL in a healthy man?
Definition
Anatomic Dead Space 719-720
Term
What are additional dead spaces created by intrapulmonary obstructions or atelectasis?
Definition
Physiologic Dead Space 720
Term
What is the amount of air moved through the respiratory tract, including the anatomic dead space, in 1 minute, and is calculated by multiplying the tidal volume and respiratory rate?
Definition
Minute Volume or Minute Ventilation 720
Term
What is a more precise measurement and represents the actual volume of air that reaches the alveoli and participates in pulmonary gas exchange each minute?
Definition
Alveolar Minute Volume 720
Term
What can be calculated by subtracting the dead space volume from the tidal volume, then multiplying that number by the respiratory rate?
Definition
Alveolar Minute Volume 720
Term
What is the number of times a person breathes in 1 minute?
Definition
Respiratory Rate 720
Term
What is a term related to inspiration and is the amount of air that can be inhaled in addition to the normal tidal volume; it is normally about 3000 mL in a healthy adult?
Definition
Inspiratory Reserve Volume 720
Term
Following an optimal inspiration, the amount of air that can be forced from the lungs in one exhalation is called the ______.
Definition
Functional Reserve Volume 720
Term
The amount of air that can be exhaled following normal (relaxed) exhalation is called the _____.
Definition
Expiratory Reserve Volume 720
Term
How much is the normal expiratory reserve volume?
Definition
1200 mL 720
Term
____ is the amount of air that can be forcefully exhaled after a full inhalation.
Definition
Vital Capacity 720
Term
What is the vital capacity in a healthy adult man?
Definition
Approximately 4800 mL 720
Term
What is the vital capactiy plus the residual volume?
Definition
Total Lung Capacity 720
Term
What is the total lung capacity in a healthy man?
Definition
About 6000 mL
Term
What does not normally require muscular effort; therefore, it is a passive process?
Definition
Exhalation 720
Term
A protective mechanism that terminates inhalation, thus preventing overexpansion of the lungs.
Definition
Hering-Breuer Reflex 720
Term
What is it called when the diaphragm and intercostal muscle relax, which increases intrapulmonary pressure?
Definition
Exhalation 720
Term
What is the primary involuntary respiratory center?
Definition
Medulla Oblongata 720
Term
____ controls the rate, depth, and rhythm (regularity) of breathing in a negative feedback interaction with the pons.
Definition
Medulla Respiratory Centers 720
Term
What is the secondary control center if the medulla fails to initiate breathing?
Definition
Apneustic Center of the Pons 720
Term
____ influences the respiratory rate by increasing the number of inspirations per minute.
Definition
Apneustic Center 720
Term
Sense organs that monitor the levels of oxygen, carbon dioxide, and the pH of the CSF and blood and provide feedback to the respiratory centers to modify the rate and depth of breathing based on the body's needs at any give time.
Definition
Chemoreceptors 721
Term
Where are the chemoreceptors that affect respiratory function located?
Definition
Carotid Bodies, Aortic Arch, and Central Chemoreceptors 721
Term
Where are the chemoreceptors that measure the amount of carbon dioxide in arterial blood located?
Definition
Carotid Bodies and Aortic Arch 721
Term
Chemoreceptors sense tiny changes in the carbon dioxide level and send signals to the respiratory center via the _______ and _______.
Definition
Glossopharyngeal (9) and Vagus Nerve (10) 721
Term
What is responsible for initiating inspiration based on the information received from the chemoreceptors?
Definition
Dorsal Respiratory Group 721
Term
What is primarily responsible for motor control of the inspiratory and expiratory muscles?
Definition
Ventral Respiratory Group 721
Term
The normal stimulus to breathe; based on fluctuations in Paco2 and pH of the CSF.
Definition
Primary Respiratory Drive 721
Term
Secondary control of breathing that stimulates breathing based on decreased arterial oxygen levels.
Definition
Hypoxic Drive 721
Term
What should never be withheld from any patient who needs it?
Definition
High Concentration of Oxygen 722
Term
What is a powerful stimulus to breathe and would result in increased respirations in an effort to bring more oxygen into the body?
Definition
Hypoxia 722
Term
What increases respirations as a compensatory response t promote the elimination of excess acids produced by the body?
Definition
Acidosis 722
Term
What is the process of loading oxygen molecules onto hemoglobin molecules in the bloodstream?
Definition
Oxygenation 722
Term
What is the percentage of oxygen in inhaled air?
Definition
Fraction of Inspired Oxygen 722
Term
What is a protein that is necessary for life, is an ironcontaining molecule that has a great affinity for oxygen molecules?
Definition
Hemoglobin 722
Term
Approximately how much of the protein in a red blood cell is hemoglobin?
Definition
95% 722
Term
What is proportional to the amount of oxygen dissolved in the plasma component of the blood?
Definition
Oxygen Saturation 722
Term
What is the chemical processes that provide the cells with energy from nutrients?
Definition
Metabolism 723
Term
What is the process of exchanging oxygen and carbon dioxide, allows the body a regular means of providing the cells with oxygen and disposing of waste.
Definition
Respirations 723
Term
______ is the process of exchanging oxygen and carbon dioxide between the alveoli and the blood in the pulmonary capillaries?
Definition
External Respirations (Pulmonary Respiration) 723
Term
How much oxygen, under normal circumstance, do the hemoglobin receptors contain?
Definition
96-100% 723
Term
What percentage of oxygen does exhaled air contain?
Definition
16% 723
Term
The exchange of oxygen and carbon dioxide between the systemic circulation and the cells of the body is called _____.
Definition
Internal Respirations 724
Term
In the presence of oxygen, the mitochondria of the cells convery glucose into energy through a process called ______.
Definition
Aerobic Metabolism (Aerobic Respirations) 724
Term
Without adequate oxygen, the cells do not completely convert glucose into energy, and lactic acid and other toxings accumulate in the cell.
Definition
Anaerobic Metabolism (Anaerobic Respirations) 724
Term
What is a dangerous condition in which the tissues and cells do not receive enough oxygen?
Definition
Hypoxia 725
Term
What are the early signs of hypoxia?
Definition
Restlessness, Irritablitiy, Apprehension, Tachycardia, and Anxiety. 726
Term
What is shortness of breath?
Definition
Dyspnea 726
Term
What are the late signs of hypoxia?
Definition
Mental Status Change, Weak (Thready) Pulse, and Cyanosis 726
Term
An imbalance in the amount of oxygen received in the alveoli and the amount of blood flowing through the alveolar capillaries.
Definition
V/Q Mismatch 726
Term
What is the normal resting minute volume in most people?
Definition
6 L/min 726
Term
What is the resting alveolar volume in most people?
Definition
Approximately 4L/min 726
Term
What is the most common airway obstruction in an unresponsive patient?
Definition
Tongue 726
Term
What conditions such as infection, allergic reactions, and unresponsiveness (possibly leading to airway obstruction by the tongue) can significantly restrict the ability to maintain a patent airway?
Definition
Intrinsic 726
Term
What causes degeneration of muscle fibers, slowing motor development, and loss of muscle contractility?
Definition
Muscular Dystrophy 726
Term
What is a viral disoder that can affect the nerves, including those that regulate ventilation, and result in paralysis?
Definition
Poliomyelitis 726
Term
What is an airway obstruction due to swelling?
Definition
Angioedema 726
Term
What factors affecting pulmonary ventilation can include trauma and foreign body airway obstruction?
Definition
Extinsic 727
Term
What is it called when a patient purposely breathes shallowly in an attempt to alleviate the pain caused by the injury?
Definition
Respiratory Splinting 727
Term
What is a condition in which a decreased amount of air enters the alveoli; CO2 production exceeds the body's ability to eliminate it by ventilation?
Definition
Hypoventilation 727
Term
What is a condition in which an increased amount of air enters the alevoli; CO2 elimination exceeds CO2 production?
Definition
Hyperventilation 727
Term
What is a buildup of carbon dioxide in the blood?
Definition
Hypercarbia 727
Term
What is a lower amount of carbon dioxide in the blood?
Definition
Hypocarbia 727
Term
Carbon monoxide (CO) has a much greater affinity for hemoglobin than oxygen, how much more?
Definition
250 Times More 727
Term
What does the attachment of CO molecules to the hemoglobin molecules form?
Definition
Carboxyhemoglobin (COHb) 727
Term
What could inhibit the proper transport of oxygen to the tissues and can cause false pulse oximetry reading?
Definition
Carboxyhemoglobin (COHb) 727
Term
What is the blood entering the lungs from the right side of the heart bypassing the alveoli and returns to the left side of the heart in an unoxygenated state?
Definition
Intrapulmonary Shunting 727
Term
What is an abnormal decrease in blood volume, because bleeding, that causes inadequate oxygen delivery to the body?
Definition
Hemorrhagic Shock (form of Hypovolemic Shock) 728
Term
What is not caused by a decrease in blood volume, but by an increase in the size of the blood vessels?
Definition
Vasodilatory Shock 728
Term
What is the pressure gradient against which the heart must pump?
Definition
Afterload 728
Term
What is the pressure of the blood that is returned to the heart?
Definition
Preload 728
Term
What can cause disruptions in the acid-base balance in the body that may lead to rapid deterioration in a patient's condition and death?
Definition
Hypo/Hyperventilation and Hypoxia 728
Term
What is the tendency toward stability in the body's internal environment and requires a balance between the acids and bases?
Definition
Homeostasis 728
Term
What is the term adventitious?
Definition
Abnormal 729
Term
What is a blue or purple skin color and is a clear indicator of a low blood oxygen content?
Definition
Cyanosis 729
Term
What is positional dyspnea?
Definition
Orthopnea 729
Term
What is it when the skin is pulling between and around the ribs during inhalation?
Definition
Retractions 729
Term
What is it when one side of the chest moves less than the other and indicates that airflow into one lung is decreased?
Definition
Asymmetric Chest Wall Movement 729
Term
What is defined as a low level of oxygen in arterial blood?
Definition
Hypoxemia 729
Term
What is a lack of oxygen that results in tissue and cellular death?
Definition
Anoxia 729
Term
Respiratory rate for an adult.
Definition
12-20 Breaths/Min 729
Term
Respiratory rate for children.
Definition
15-30 Breaths/Min 729
Term
Respiratory rate for an infant.
Definition
25-50 Breaths/Min 729
Term
___ is suspended from the hyoid bone by the thyroid ligament and is directly anterior to the glottic opening.
Definition
Thyroid Cartilage 715
Term
For most people, the drive to breathe is based on ____ changes in the blood and CSF.
Definition
pH 720
Term
Central chemoreceptors,which monitor pH of the CSF, are located adjacent to the respiratory center in the ______.
Definition
Medulla 721
Term
The chemoreceptors that measure the amout of carbon dioxide in arterial blood are located in the _________.
Definition
Carotid Bodies and Aortic Arch 721
Term
What is the primary control of ventilation?
Definition
pH of the CSF 721
Term
What type of patient will usually have an hypoxic drive?
Definition
End-Stage COPD Patients 721
Term
Energy in the form of ATP is produced through a series of processes known as the ___ and ___.
Definition
Kreb Cycle and Oxidative Phosphorylation 724
Term
What is lactid acid the by-product of?
Definition
Glycolysis 724
Term
What are neuromuscular blocking agents?
Definition
Paralytics 726
Term
Evaluation of a patient with a respiratory complaint include?
Definition
Visual Observations, Palpation, and Auscultation 729
Term
What is shortness of breath while lying down or positional dyspnea?
Definition
Orthopnea 729
Term
Appears to be working hard to breathe.
Definition
Labored Breathing 729
Term
What requires effort and may involve the use of accessory muscles?
Definition
Labored Breathing 729
Term
What include the sternocleidomastoid muscles (neck muscles), the chest pectoralis major muscles, and the abdominal muscles?
Definition
Accessory Muscles 729
Term
What is the inward movement of a segment of the chest during inhalation and outward movement of the chest during exhalation, opposite normal chest movement and an indication of a flail chest?
Definition
Paradoxical Motion 730
Term
What is a clinical finding in which the systolic blood pressure drops more than 10 mm Hg during inhalation?
Definition
Pulsus Paradoxus 730
Term
What is a spastic pharyngeal and esophageal reflex caused by stimulation of the posterior pharynx to prevent foreign bodies from entering the trachea?
Definition
Gag Reflex 730
Term
What is a fairly reliable indicator of the presence or absence of an intact gag reflex in an unresponsive patient?
Definition
Eyelash Reflex 730
Term
What is a slow, deep inhalation followed by a prolonged and sometimes quite audible exhalation?
Definition
Sighing 730
Term
How many times does the average person sigh?
Definition
Once a Minute 730
Term
What is a sudden inhalation, due to spasmodic contraction of the diaphragm,cut shor by closure of the glottis?
Definition
Hiccuping 730
Term
What serves no physiologic purpose and if persistent may be clinically significant?
Definition
Hiccuping 730
Term
Gradually increasing rate and depth of respirations followed by a gradual decrease of respirations with intermittent periods of apnea; associated with brainstem insult.
Definition
Cheyne-Stokes Respirations 731
Term
Deep, rapid respirations; seen in patients with diabetic ketoacidosis.
Definition
Kussmaul Respirations 731
Term
Irregular pattern, rate, and depth of breathing with intermittent periods of apnea; results from increased ICP.
Definition
Biot (Ataxic) Respirations 731
Term
Prolonged, gasping inhalation followed by extremely short, ineffective exhalation; associated with brainstem insult.
Definition
Apneustic Respirations 731
Term
Slow, shallow, irregular, or occasional gasping breaths; results from cerebral anoxia. May be seen when the heart has stopped but the brain continues to send signals to the muscles of respiration.
Definition
Agonal Gasps 731
Term
What are heard by placing the stethoscope over the trachea or over the sternum?
Definition
Tracheal Breath Sounds (Bronchial Breath Sounds) 731
Term
What are you accessing tracheal breath sounds for?
Definition
Duration, Pitch, and Intesity 731
Term
What are softer, muffled sounds and have been described as wind blowing through the trees and the expiratory phase is barely audible?
Definition
Vesicular Breath Sounds 731
Term
What is a combination of the tracheal and vesicular breath sounds; heard where airways and alveoli are found, the upper part of the sternum and between the scapulas?
Definition
Bronchovesiular Sounds 731
Term
What is an expression for comparing the length of inspiration with the length of expiration?
Definition
I/E Ratio 731
Term
What does adventitious mean?
Definition
Abnormal 732
Term
What is a continuous sound as air flows through a constriced lower airway and is a high-pitched sound that may be heard on inspiration, expiration, or both?
Definition
Wheezing 732
Term
What are continuous sounds, although they are low pitched; they indicate mucus or fluid in the larger lower airways (pulmonary edema and bronchitis)?
Definition
Rhonchi 732
Term
What occur when airflow causes mucus or fluid in the airways to move in the smaller lower airways? Tend to clear with coughing.
Definition
Crackles (Formly Rales) 732
Term
What may also be heard when collapsed airways or alveoli pop open and produce discontinuous sounds and may occur early or late in the inspiratory cycle?
Definition
Crackles (Formly Rales) 732
Term
What results from foreign body aspiration, infection, swelling, disease, or trauma within or immediately above the glottic opening?
Definition
Stridor 732
Term
What produces a loud, high-pitched sound that is typically heard during the inspiration phase?
Definition
Stridor 732
Term
What results from inflammation that causes the pleura to thicken?
Definition
Plerual Friction Rub 732
Term
What is a simple, rapid, safe, and noninvasive method of measuring, minute by minute, how well a person's hemoglobin is saturated?
Definition
Pulse Oximetry 733
Term
What measures the amount of hemoglobin (Hb) in the arterial blood that is saturated with oxygen?
Definition
Pulse Oximeter 733
Term
A normally oxygenated, normally perfused patient should have an SPO2 of greather than ____ while breathing room air.
Definition
95% 733
Term
What does an SPO2 reading of less than 95% in a nonsmoker suggest?
Definition
Hypoxemia 733
Term
What are the 2 types of hemoglobin normally found?
Definition
Oxyhemoglobin (Hbo2) and Reducded Hemoglobin 734
Term
What is hemoglobin that is occupied by oxygen?
Definition
Oxyhemoglobin (Hbo2) 734
Term
What is hemoglobin after the oxygen has been released to the cells?
Definition
Reducded Hemoglobin 734
Term
What a compound formed by oxidation of the iron on the hemoglobin?
Definition
Methemoglobin (metHb) 734
Term
What is hemoglobin loaded with carbon monoxide (CO)?
Definition
Carboxyhemoglobin (COHb) 734
Term
What is an approximation of the extent of bronchoconstriction; used to determine whether therapy is effective?
Definition
Peak Expiratory Flow 734
Term
What is the peak expiratory flow rate of a healthy adult?
Definition
350-750 mL 735
Term
What detects the presence of carbon dioxide in exhaled air and are important adjuncts for determining ventilation adequacy?
Definition
End-Tidal CO2 (ETCO2) Monitors 735
Term
ETCO2 is approximately how much lower than arterial PaCO2?
Definition
2-5 mm Hg 735
Term
Why is ETCO2 detector a reliable and essential method for confirming and monitoring advanced airway placement?
Definition
No CO2 in Esophagus 735
Term
What provides quantitative information, in real time, by displaying a numeric reading of exhaled carbon dioxide?
Definition
Capnometer 735
Term
What provides a graphic representation of exhaled carbon dioxide?
Definition
Capnographer 736
Term
What provides quantitative, real-time information regarding the patient's exhaled carbon dioxide level and displays graphic waveform on the portable cardiac monitor?
Definition
Waveform Capnography 736
Term
A portable cardiac monitor that provide a numeric reading and a waveform reading of carbon dioxide.
Definition
Digital/Waveform Capnography 736
Term
What provides qualitative information regarding the presence of carbon dioxide in the patient's exhaled breath?
Definition
Colorimetric Capnographer 736
Term
How many breaths will it take to turn the colormetric capnographer from purple to yellow?
Definition
6-8 Positive-Pressure Breaths 736
Term
It should be noted that the colorimetric capnographer is a _____ device and shoud be used during initial confirmation of ET tube placement and replaced as soon as possible with a quantitative device.
Definition
Spot Check 736
Term
What is a good option for suctioning the pharynx in adults and the perferred device for infants and children?
Definition
Yankauer or Tonsil-Tip Catheter 740
Term
What is another name for the Yankauer catheter?
Definition
Tonsil-Tip 740
Term
What is another name for the French catheter?
Definition
Whistle-Tip 740
Term
Soft plastic, nonrigid catheters and can be placed in the oropharynx, nasopharynx, or ET tube.
Definition
French or Whistle-Tip Catheter 740
Term
What is the maximum suction time for an adult, children, and infant?
Definition
15 sec, 10 sec, and 5 sec 741
Term
How do you measure a patient for suction catheter?
Definition
Corner of mouth to earlobe 741
Term
What is the range of the nasal airways?
Definition
12 French-32 French 746
Term
What is epistaxis?
Definition
Nosebleed 746
Term
What is the inability to speak?
Definition
Aphonia 748
Term
What is difficulty speaking?
Definition
Dysphonia 748
Term
What results in spasmodic closure of the vocal cords, completely occluding the airway?
Definition
Laryngeal Spasm (Laryngospasm) 748
Term
What can cause laryngeal spasms?
Definition
Intubation trauma and Immediately on Extubation 748
Term
What causes the glottic opening to become extremely narrow or totally closed?
Definition
Laryngeal Edema 748
Term
What can cause laryngeal edema?
Definition
Epiglottis, Anaphylaxis, or Inhalation Injury (Upper Airway Burns). 748
Term
What is the ability of the alveoli to expand when air is drawn into the lungs during negative-pressure ventilation or pushed into the lungs during positive-pressure ventilation?
Definition
Lung Complience 749
Term
What is visualization of the airway with a laryngoscope?
Definition
Direct Laryngoscopy 750
Term
How much oxygen is in a D cylinder?
Definition
350 L 750
Term
How much oxygen is in a M cylinder?
Definition
3000 L 750
Term
What is an indication that it is unsafe to use that oxygen cylinder?
Definition
Safe Residual Pressure 750
Term
When should you replace you oxygen cylinder?
Definition
200 psi or Lower 750
Term
What is oxygen cooled to its aqueous state?
Definition
Liquid Oxygen 751
Term
Do not store oxygen cylinders above what temperature?
Definition
125 Degree F 752
Term
A device that attaches to the stem of the oxygen cylinder and reduces the high pressure of gas to a safe range of about 50 psi.
Definition
Therapy Regulator 752
Term
What are usually permanently attached to the therapy regulator, allow the oxygen deliverd to the patient to be adjusted within a range of 1-25 L/min?
Definition
Flowmeters 752
Term
What are the 2 types of flowmeters?
Definition
Pressure-Compensated Flowmeter and Bourdon-Gauge Flowmeter 752
Term
What incorporates a float ball within a tapered calibrated tube; this float rises or falls based on the gas flow in the tube?
Definition
Pressure-Compensated Flowmeter 752
Term
What is not affected by gravity and can be place in any position. This pressure gauge is calibrated to record the flow rate?
Definition
Bourdon-Gauge Flowmeter 752
Term
What should be used if nasal cannula is to be used for a prolong period to prevent mucosa drying and irritation?
Definition
Oxygen Humidifier 754
Term
Nasal Cannula flow rate and O2 delivery.
Definition
1-6 L/min and 24-44% 755
Term
NRBM flow rate and O2 delivery.
Definition
15 L/min and 90-100% 755
Term
BVM with reservoir flow rate and O2 delivery.
Definition
15 L/min and Nearly 100% 755
Term
Mouth-to-mask device flow rate and O2 delivery.
Definition
15 L/min and Nearly 55% 755
Term
Parial rebreathing mask flow rate and O2 delivery.
Definition
6-10 L/min and 35-60% 755
Term
What draws room air into the mask along with the oxygen flow, allowing for the administration of highly specific oxygen concentrations?
Definition
Venturi Mask 755
Term
Depending on the adapter, what percentage of oxygen can the venturi mask flow?
Definition
24%, 28%, 35%, or 40% 755
Term
What is amoung the most important skills in EMS at any level?
Definition
Artificial Ventilations 756
Term
What is the skill of providing assisted ventilation to a patient who is breathing spontaneously, or by ventilating a patient who is not breathing at all?
Definition
Artificial Ventilations 756
Term
How much gas does the adult reservoir bag on the BVM contain?
Definition
1200-1600 mL 760
Term
How much gas does the pediatric reservoir bag on the BVM contain?
Definition
500-700 mL 760
Term
How much gas does the infant reservoir bag on the BVM contain?
Definition
150-240 mL 760
Term
Volum of air (O2) to deliver to the patient is based on one key observation _______.
Definition
Visible Chest Rise 760
Term
What are the 2 negative effects of breath that are too forceful?
Definition
Gastric Distention and Decreased Venous Return to the Heart (Prelaod) 760
Term
What is the formula to set tidal volume on the Automatic Transport Ventilator (ATV)?
Definition
6-7 mL/kg 762
Term
What is a noninvasive means of providing ventilatory support for patients experiencing respiratory distress?
Definition
Continuous Positive Airway Pressure (CPAP) 763
Term
What increases pressure in the lungs, opens collapsed alveoli and prevents further alveolar collapse (atelectasis), pushes more oxygen across the alveolar membrane, and forces interstitial fluid back into the pulmonary circulation?
Definition
Continuous Positive Airway Pressure (CPAP) 763
Term
Mechanical maintenance of pressure in the airway at the end of expiration to increase the volume of gas remaining in the lungs.
Definition
Positive End-Expiratory Pressure (PEEP) 764
Term
How long will a D cylinder last with CPAP?
Definition
5-10 min 764
Term
Most CPAP devices are set to deliver a fixed FIO2 of _______.
Definition
30%-35%: 80% in some 764
Term
A tube that is inserted into the stomach to remove its contents.
Definition
Gastric Tube 766
Term
What involves insertin a gastric tube into the stomach adn removing the contents with suction?
Definition
Invasive Gastric Decompression 766
Term
Tube remaining in the esophagus without entering the stomach.
Definition
Supragastric Placement 766
Term
What is a procedure in which the stomach is decontaminated following a toxic ingestion?
Definition
Gastric Lavage 766
Term
What is a surgical opening into the trachea?
Definition
Tracheostomy 769
Term
What is a surgical procedure in which the larynx is removed?
Definition
Laryngectomy 769
Term
What is an orifice that connects the trachea to the outside air and located in the midline of the anterior part of the neck?
Definition
Stoma 769
Term
What is a surgical removal of the entire larynx?
Definition
Total Laryngectomy 769
Term
What is the max suction time when suctioning a stoma?
Definition
10 Seconds 770
Term
What is a plastic tube placed within the tracheostomy site (stoma) and it requires a 15/22-mm adapter to be compatible with ventilatory devices?
Definition
Tracheostomy Tube 770
Term
What is stenosis?
Definition
Narrowing 770
Term
___ is potenially life-threatening because of soft-tissue swelling decreases the stoma's diameter and impairs the patient's ventilatory abiltiy.
Definition
Stenosis 770-771
Term
How many airways in the prehospital setting are considered difficult?
Definition
20% 775
Term
L
E
M
O
N
Definition
Look Externally 775
Evaluate 3-3-2
Mallampati
Obstruction
Neck Mobility
Term
What is the first 3?
Definition
Refers to mouth opening 775
Term
What is the second 3?
Definition
Length from tip of chin to hyoid bone 775
Term
What is the 2?
Definition
Distance from hyoid bone to thyroid notch 775
Term
A system for predicting the relative difficulty of intubation based on the amount of oropharyngeal structures visible in an upright, seated patient who is fully able to open his mouth.
Definition
Mallampati Classification 775
Term
Class I Mallampti classification.
Definition
Entire posterior pharynx is fully exposed. 776
Term
Class II Mallampti classification.
Definition
Posterior pharynx is partially open 776
Term
Class III Mallampti classification.
Definition
Posterior pharynx cannot be seen; base of uvula is exposed 776
Term
Class IV Mallampti classification.
Definition
No posterior pharyngeal structures cn be seen 776
Term
What is defined as passing an ET tube through the glottic opening adn sealing the tube with a cuff inflated against the tracheal wall?
Definition
Endotracheal Intubation 776
Term
What enables ventilation to occur even if the tip of the ET tube becomes occluded by blood, mucus, or the traceal wall?
Definition
Murphy's Eye 776
Term
What do the inside size of the ET tubes range?
Definition
2.5-9 mm Diameter 776
Term
What do the ET tubes range for in length?
Definition
12-32 cm 776
Term
What are ET tubes 5-9 mm equipped with?
Definition
Distal Cuff 776
Term
What size ET will a woman usually require?
Definition
7-8 mm Tube 777
Term
What size ET will a man usually require?
Definition
7.5-8.5 mm Tube 777
Term
What size ET will a pediatric usually require?
Definition
2.5-4.5 mm Tube 777
Term
What are some ways to measure the patient for an ET tube size?
Definition
Internal Diameter of the Nostril, Diameter of the Little Finger, or Size of Thumbnail 777
Term
What is a procedure in which the vocal cords are directly visualized for placement of the ET tube?
Definition
Laryngoscopy 777
Term
What laryngoscope blade is perferred in children because they have a long floppy epiglottis?
Definition
Miller and Wisconsin 778
Term
What is the space between the epiglottis and the base of the tongue?
Definition
Vallecula 778
Term
How long should you ventilate a patient before an intubation attempt?
Definition
2-3 Minutes 778
Term
What are the 3 axes of the airway?
Definition
Mouth, Pharynx, and Larynx 780
Term
B
U
R
P
Definition
Backward 783
Upward
Rightward
Pressure
Term
What is performed by locating the lower third of the thyroid cartilage and applying pressure back, up, and to the right?
Definition
BURP Maneuver 783
Term
What is not stopping ventilations to deliver chest compressions?
Definition
Asynchronous CPR 784
Term
What is the ventilation rate of an apneic adult with a pulse?
Definition
10-12 Breaths/Min (1 breath every 5-6 seconds) 784
Term
What is the ventilation rate of an apneic infant or child with a pulse?
Definition
12-20 Breaths/Min (1 breath every 3-5 seconds) 784
Term
What is the ventilation rate in any patient in cardiac arrest?
Definition
8-10 Breaths/Min (1 breath every 6-8 seconds) 784
Term
It is a bulb or syringe with a 15/22 mm adaptor to confirm placement of the ET tube.
Definition
Esophageal Detector Device 784
Term
What is the average depth for an adult entubation?
Definition
21-25 cm 785
Term
What is the main contraindication for nasotracheal intubation?
Definition
Respiratory or Cardiac Arrest 786
Term
What is trismus?
Definition
Clenched Teeth 789
Term
What is the most common complication associated with nasotraceal intubation?
Definition
Bleeding 789
Term
What is slighty more flexible than a standard ET tube and is equipped with a "trigger" that is attached to a piece of line, which is itself attached to the tip of the tube?
Definition
Endotrol Tube 789
Term
Where is the nasotracheal tube most likely if there is a soft-tissue bulge on either side of the airway?
Definition
Piriform Fossa 790
Term
___ involves directly palpating the glottic structures and elevating the epiglottis with your middle finger while guiding the ET tube into the trachea by using the sense of touch.
Definition
Digital Intubation (Blind or Tactile Intubation) 791
Term
What is the major complication of the ET tube placement by digital intubation?
Definition
Misplacement 793
Term
What is a device that emits a bright, well circumscribed light that is visible on the outside of the trachea and the external soft tissue that overlies it?
Definition
Transillumination Intubation 794
Term
What is the main complication with transillumination intubation?
Definition
Esophagus Misplacement 797
Term
Once a bright, tightly circumscribed light is visible at the midline and just below the thyroid cartilage, hold the stylet in place and advance the tube approximately ____ into the trachea.
Definition
2-4 cm 798
Term
A technique in which a wire is placed through the trachea and into the mouth with a neddle via the cricoid membrane; the ET tube is then placed over the wire guieded into the trachea.
Definition
Retrograde Intubation 798
Term
What is cephalad?
Definition
Toward the Head 800
Term
Performing intubation at the same level as the patient's face; used when the standard position is not possible. Laryngoscope is held in the provider's right hand and the ET tube in the left.
Definition
Face-to-Face Intubation (Tomahawk) 801
Term
What is the estimated failed intubation rate?
Definition
5% 802
Term
___ involves passing a suction catheter into the ET tube to remove pulmonary secretions.
Definition
Tracheobronchial Suctioning 803
Term
What is the first rule in Tracheobroncial suctioning?
Definition
Do Not Do It if You Dont Have To! 803
Term
How much sterile water down the ET tube before suctioning through the tube?
Definition
3-5 mL 803
Term
How long should the blade be in pediatric intubation?
Definition
Mouth to Tragus of the Ear 805
Term
What can be used to estimate the size of ET tube needed for a pediatric intubation?
Definition
Nares, Nail of Litte Finger, and Length-Base Resuscitation Tape 805
Term
Cuffed ET tubes are not generally used in the field until the child is _____.
Definition
8-10 Years Old 806
Term
Endotracheal tubes smaller than ____ generally do not have a cuff.
Definition
5mm 806
Term
What is the appropriate depth of insertion of the ET tube in a pediatric?
Definition
2-3 cm Beyond the Vocal Cords 806
Term
What is the most common cause of cardiac arrest in the pediatric population?
Definition
Respiratory Failure or Arrest 806
Term
What may be administered to a pediatric to prevent vagal nerve induced bradycardia due to parasympathetic stimulation?
Definition
Atrophine Sulfate .02 mg/kg 807
Term
D
O
P
E
Definition
Displacement 807
Obstruction
Pneumothorax
Equipment Failure
Term
The adult colorimetric ETCO2 detector cannot be used in children weighing less than _____.
Definition
15 kg 807
Term
The esophageal bulb or syringe cannot be used in children weighing less than _____.
Definition
20 kg 807
Term
___ is used in airway management to reduce a patient's anxiety, induce amnesia, and decrease the gag reflex.
Definition
Sedation 810
Term
What are complications of sedation?
Definition
Undersedation and Oversedation 810
Term
What is the primary contraindication of a sedation drug?
Definition
Hypersensitivity 810
Term
What are the 2 major classes of sedatives that are commonly used?
Definition
Analgesics and Sedative-Hypnotics 810
Term
What sedative decreases the perception of pain?
Definition
Analgesics 810
Term
What sedative induces sleep and decreases anxiety; does not reduce pain?
Definition
Sedative-Hypnotics 810
Term
____ are potent, effective sedatives. Include haloperidol (haldol) and droperidol (inapsine). Commonly used in emergency situations for anxiolysis.
Definition
Butyrophenones 810
Term
What is the relief of anxeity?
Definition
Anxiolysis 810
Term
___ are sedative-hypnotic drugs.
Definition
Benzodiazepines 810
Term
Includes Diazepam (Valium) and midazolam (Versed).
Definition
Benzodiazepines 810
Term
What drugs provide muscle relaxation and mild sedation and are used extensively as anxiolytic and antiseizure medications?
Definition
Diazepam (Valium) and Midazolam (Versed) 810
Term
An inability to remember events after the onset of amnesia.
Definition
Anterograde Amnesia 810
Term
What are potential side effects of benzodiazepines?
Definition
Respiratory Depression and Slight Hypotension 810
Term
What is a benzodiazepine antagonist that can reverse the effects of diazepam and midazolam?
Definition
Flumazenil (Romazicon) 810
Term
Includes Thiopental (Pentothal, Trapanal) and Methohexital (Brevital).
Definition
Barbiturates 811
Term
___ are sedative-hypnotic medications that have a long history of use.
Definition
Barbiturates 811
Term
____ is short acting and causes a rapid onset of profound sedation.
Definition
Thiopental (Pentothal, Trapanal) 811
Term
____ is ultra-short acting and twice as potent as thiopental.
Definition
Methohexital 811
Term
Barbiturates can cause significant respiratory depression and a drop in blood pressure of ______ in normovolemic patients.
Definition
Approximately 10% 811
Term
_____ are potent analgesics with sedative properties.
Definition
Opioids 811
Term
_____ are used in emergency airway management as a premedication, during induction, and in maintenance of sedation or amnesia.
Definition
Narcotics 811
Term
What are the two most commonly used narcotics for airway management?
Definition
Fentanyl (Sublimaze) and Alfentanil (Alfenta) 811
Term
What is a narcotic antagonist?
Definition
Naloxone (Narcan) 811
Term
____ is a nonnarcotic, nonbarbiturate hypnotic-sedative drug often used in the induction of general anesthesia. It is fast-acting agent of short duration.
Definition
Etomidate (Amidate) 811
Term
____ can make an ordinarily docile person combative, aggresive, belligerent, and uncooperative, resulting in a difficult and potentially dangerous situation-for the patient and paramedics.
Definition
Cerebral Hypoxia 811
Term
What is clenching of the patient's teeth due to spasm of the jaw muscles?
Definition
Trismus 811
Term
What is a neuromuscular blocking agents?
Definition
Paralyitcs 811
Term
After recieving an IV dose of a paralytic, how long before patient becomes totally paralyzed?
Definition
Within 1 minute 811
Term
What is the only depolarizing neuromuscular blocking agent?
Definition
Succinylcholine Chloride (Anecitne) 812
Term
Brief, uncoordinated twitching of small muscle groups in the face, neck, trunk, and extremities; may be seen after the administration of succinylcholine.
Definition
Fasciculations 812
Term
____ competitively binds with the ACh receptor sites but is not affected as quickly by acetylcholinsterase.
Definition
Depolaring Neuromuscular Blocker 812
Term
What is the defasciculating dose for a nondepolarizing neuromuscular blocking agents?
Definition
10% of Normal Dose 812
Term
What are the most common nondepolarizings neuromuscular blocking agents?
Definition
Vecuronium Bromide (Norcuron), Pancuronium Bromide (Pavulon), and Rocuronium Bromide (Zemuron) 812
Term
____ has a rapid onset of action (2 min) and a duration of action of about 45 minutes.
Definition
Vecuronium 812
Term
____ has a rapid onset of action < (2 min) and a duration of action of 45-60 minutes.
Definition
Rocuronium 812
Term
____ also has a rapid onset of action (3-5 min) and a duration of action of 1 hour.
Definition
Pancuronium 812
Term
A specific set of procedures, combined in rapid succession, to induce sedation and paralysis and intubate a patient quickly.
Definition
Rapid-Sequence Intubation (RSI) 812
Term
What should be administered with succinylcholine if time permits?
Definition
Defasciculating Dose (10% of Normal Dose) and Atropine Sulfate
Term
What are 2 types of multilumen airways?
Definition
Combitube and Pharyngotrachel Lumen 814
Term
What is the proximal balloon suppose to be filled to on the combitube?
Definition
100 mL 815
Term
What is the distal balloon suppose to be filled to on the combitube?
Definition
15 mL 815
Term
A device that surrounds the opening of the larynx with an inflatable silicone cuff positioned in the hypopharynx; an alternative to BVM.
Definition
Laryngeal Mark Airway (LMA) 817
Term
What are are obese, pregnant, and patient with hiatal hernia at an increased risk for when using a LMA?
Definition
Regurgitation 817
Term
What is the main disadvantage of the LMA?
Definition
Aspiration 817
Term
____ is a latex-free, single-use, single-lumen airway that is blindly inserted into the esophagus and can be used to provide positive-pressure ventilation to apneic patients and maintain a patent airway in spontaneously breathing patients who require advanced airway management.
Definition
King LT Airway 818-819
Term
What are the 2 types of King LT airways?
Definition
King LT-D and King LTS-D 820
Term
A supraglottic airway device with a shape that allows the device to slide easily along the hard palate and to hold the soft tissue away from the laryngeal inlet.
Definition
Cobra Perilaryngeal Airway (CobraPLA) 821
Term
___ uses a needle and guide wire or guide catheter for tube placement in blood vessels or other hollow organs.
Definition
Seldinger Technique 824
Term
____ occurs when air infiltrates the subcutaneous (fatty) layers of the skin and is characterized by "crackling" sensation when palpated.
Definition
Subcutaneous Emphysema 826
Term
A method used in conjuction with neddle cricothyrotomy to ventilate a patient; requires a high-pressure jet ventilator.
Definition
Translaryngeal Catheter Ventilation 828
Term
What is toward the feet?
Definition
Caudally 829
Term
After the pop is felt while doing a neddle cricothryrotomy how far should you insert it?
Definition
1 cm 829
Term
What is the primary control of ventilation?
Definition
pH of the CSF 721
Term
What happens if the levels of the hormone insulin decrease in the body?
Definition
Cellular uptake of glucose will decrease 727
Term
What is a deficiency of red blood cells?
Definition
Anemia 728
Term
What is one or two word dyspnea?
Definition
Staccato speech pattern 729
Term
What is known as the respiratory baseline,is the intitial stage of exhalation, and is dead space gas free of carbon dioxide?
Definition
A-B phase 736
Term
What is a mixture of alveolar gas with dead space gas, resulting in an abrupt rise in carbon dioxide levels?
Definition
Point B 736
Term
What is called the expiratory upslope?
Definition
B-C phase 736
Term
What is the expiratory or alveolar plateau?
Definition
C-D phase 736
Term
What is the maximal ETCO2 level and is the best reflection of the alveolar carbon dioxide level?
Definition
Point D 736
Term
What is fresh gas introduced down the inspiratory downstroke?
Definition
D-E phase 736
Term
How often should oxygen tanks be hydorstat tested?
Definition
Every 10 years 752
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