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Craven Exam 5
Ch. 36, 43-46
68
Nursing
Undergraduate 1
11/14/2010

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Cards

Term
Names and locations of the four heart valves
Definition
Tricuspid separates right atrium from right ventricle
Mitral valve separates left atrium from left ventricle
Semilunar valves:
Pulmonic valve separates right ventricle from pulmonary artery
Aortic valve separates left ventricle from aorta
Term
How much blood does the heart pump per minute?
Definition
Average of 5 quarts
Term
Formula for cardiac output
Definition
CO = HR x SV
Term
An adequate BP is considered a mean arterial pressure of _____.
Definition
60 mm Hg
Term
During which phase (systole or diastole) are coronary arteries filled and heart tissues perfused?
Definition
Diastole
Term
List normal heart rates for newborn, infant, toddler/preschooler, school-age/adolescent, and adult
Definition
Newborn: 130-160, very variable with activity, crying, etc
Infant: variable between 80 and 150
Toddler/preschooler: 70-110
School-age/adolescent: stabilized to adult values by age 19 (also with BP)
Adult/older adult: 60-100
Term
What is the most significant modifiable risk factor for cardiovascular dysfunction?
Definition
Smoking
Term
List five ways smoking causes cardiovascular dysfunction
Definition
Vasoconstricts and therefore raises BP
Increases heart rate
Irregular heart rate
Hastens atherosclerosis
Displaces O2 with carbon monoxide
Term
Values for prehypertension, stage 1 hypertension and stage 2 hypertension.
Definition
Prehypertension: 120-139 / 80-89
Stage 1 hypertension: 140-159 / 90-99
Stage 2 hypertension: >160 / >100
Term
Five ways exercise affects the cardiovascular system.
Definition
Strengthens heart muscles
Raises HDL (good)
Lowers triglycerides
Lowers BP
Reduces resting heart rate
Term
Effects of asthma drugs and cold medications on cardiovascular system?
Definition
Can substantially increase HR and BP
Term
Effect of birth control pills on cardiovascular system.
Definition
Increases risk for clots
Term
Effects of weight loss drugs with ephedra on the cardiovascular system
Definition
Can dangerously raise HR and BP
Term
What cardiovascular effects are possible with an opiate overdose?
Definition
Severe hypotension and cardiac arrest
Term
What cardiovascular effect is possible with cocaine use/overdose?
Definition
Sudden cardiac arrest
Term
An increase by more than __ bpm when doing only mild activities might indicate that decreased CO is leading to ______.
Definition
20; activity intolerance
Term
HR should return to baseline within _____ of ceasing exercise
Definition
3 minutes
Term
A cough productive of _____ is a common manifestation of heart failure.
Definition
Frothy sputum
Term
Rubor
Definition
Bluish-red skin coloration caused by hyperemia (increased blood flow)
Term
Peripheral versus central cyanosis
Definition
Peripheral cyanosis is seen in fingers, toes and earlobes
Central cyanosis is a serious sign of reduced oxygenation and appears around oral cavity
Term
Four signs of chronic poor perfusion
Definition
Hair loss, discolored skin, thickened nails and shiny/dry skin
Term
Three most important risk factors for atherosclerosis
Definition
Smoking, hypertension, and high serum lipids
Term
Pneumonic compression devices are contraindicated in which four situations?
Definition
Patients with arterial occlusive disease
Severe edema
Cellulitis
Infection of extremity
Term
ABCD of CPR
Definition
Airway, breathing, circulation, defibrillation
Term
Who are the four members of the code team?
Definition
Someone to establish and manage airway
Someone to do chest compressions
Someone to establish IV lines and administer IV meds
Someone to document everything going on and fetch needed supplies
Term
Activity of serotonin
Definition
Decreases the activity of the RAS
Term
Two stages of sleep in newborns
Definition
Quiet and active
Term
Adult sleep cycle versus newborn
Definition
Sleep cycle is shorter than adults (60 mins vs 90 mins)
Term
Percentage of REM sleep in newborns
Definition
50%
Term
At what age do newborns acquire the four stages of NREM sleep?
Definition
About one month
Term
At what age do newborns acquire the four stages of NREM sleep?
Definition
About one month
Term
Average total sleep in preschoolers and % of REM sleep.
Definition
12 hours, 30% (more than adults)
Term
Action of L-tryptophan and six foods that contain it.
Definition
Decreases sleep latency and increases stage IV sleep
Milk, beef, eggs, wheat flour, turkey and corn
Term
Myocardial infarction and stroke are more common at what time?
Definition
In late sleep or early waking due to circadian variations of platelets, blood pressure and heart rate
Term
Effects of hyperthyroidism, hypothyroidism and low estrogen levels on sleep
Definition
Hyperthyroidism: fragmented, short sleep, excessive slow-wave stages
Hypothyroidism: excessive sleepiness with lack of slow-wave sleep
Low estrogen: tremendous fatigue following hysterectomy
Term
Three types of insomnia
Definition
Onset insomnia: increased sleep latency
Maintenance insomnia: multiple awakenings
Early-awakening insomnia
Term
Sleep-related intervention for someone with lung disease and why.
Definition
Give oxygen at night. Decreased activity of accessory muscles during sleep causing sleep trouble as body awakens them to try to get more oxygen.
Term
Epileptics are more prone to seizures when they are _______.
Definition
Sleep deprived.
Term
Define cataplexy, and who is prone to have it?
Definition
Profound weakness during intense emotion, reported by 70% of narcoleptics.
Term
Clinical criteria for sleep apnea
Definition
Absence of breathing for 10+ seconds five or more times per hour
Term
Three kinds of sleep apnea
Definition
Obstructive (collapse of upper airway, arousal restores airway)
Central (neurogenic failure to trigger respirations)
Mixed (combo of above two)
Term
Four conditions that untreated sleep apnea can lead to
Definition
Hypertension, heart attack, stroke and diabetes
Term
Parasomnias
Definition

Activities that are normal during waking hours but not during sleep, such as:

Somnambulism, enuresis, talking

Term
The four characteristics of pain
Definition
Intensity
Location
Quality
Temporal pattern
Term
Referred pain
Definition
Where client identifies pain location (may be distant from site of tissue damage)
Term
Five temporal patterns for pain
Definition
Incident pain: "it hurts when I ___"
Breakthrough pain
Acute pain
Chronic pain
Malignant pain
Term
Malignant pain
Definition
Recurring acute episodes, constant chronic pain or both associated with malignant-type process. Described as intractable and all-consuming, as in arthritis or cancer.
Term
TENS is contraindicated in what kind of patient?
Definition
Pacemaker patient
Term
Four places not to place TENS pads
Definition
Eyes, carotid sinus, anterior neck or mouth
Term
How soon after surgery / injury is it OK to use heat therapy.
Definition
24 hours. Earlier than that will increase bleeding.
Term
Opioid agonists vs antagonists
Definition
Agonists bind to specific opioid receptors (morphine)
Antagonists block opioid receptors or displace agonists from these sites (nalaxone), used to reverse effects of agonists (i.e. in overdose or respiratory depression)
Term
Most common adverse effect of opioid drugs? Three others.
Definition
Constipation
Nausea, vomiting, sedation
Term
Define adjuvant / coanalgesic drugs, and give seven examples
Definition
Modify the effects of opioids or can be analgesic on their own
Corticosteroids, antidepressants, antihistamines, benzodiazepines, caffeine, anticonvulsants, psychostimulants
Term
Where is the reticular activating system located, and what does it do?
Definition
Medulla oblongata in the brain stem
Bringing together info from the cerebellum and other parts of the brain that obtain information from the sense organs
Term
Lead time
Definition
Time each person requires to prepare for an event emotionally and physically
Term
Afterburn
Definition
Time needed to process an activity afterward
Term
How do smoking and alcohol abuse alter sensory perceptions?
Definition
Smoking causes decrease in gustatory sense; chronic alcohol abuse causes peripheral neuropathy
Term
Effects of some antibiotics and CNS depressants on sensory perception.
Definition
Certain antibiotics can damage hearing
CNS depressants reduce perception of stimuli
Term
Brain accounts for __% of body’s total oxygen uptake
Definition
20
Term
Nutritional status and brain function (glucose, iron, vitamins, minerals)
Definition
Brain needs glucose to function and consumes 25% of body’s glucose. Oxygen delivery to brain is also associated with iron intake (hemoglobin). Vitamins and minerals (electrolytes) are essential for neurologic functioning.
Term
Which fluid and electrolyte balances are particularly important for brain function?
Definition
Hyper- and hypo-:
Natremia
Kalemia
Calcemia
Glycemia
Term
______ in an older adult is often first sign of an infection somewhere in the body
Definition
Altered mental status
Term
______ in an older adult is often first sign of an infection somewhere in the body
Definition
Altered mental status
Term
Expressive aphasia (definition and two other names)
Definition
(aka Broca’s motor or nonfluent aphasia): limited speech that is slow and halting, reduced grammar, poor articulation
Term
Receptive aphasia (definition and two other names)
Definition
(aka Wernicke’s sensory or fluent aphasia): impaired auditory comprehension and feedback, person is unaware of impairment and can seem euphoric when speaking
Term
Anomic aphasia
Definition
Word-finding problem less severe than expressive aphasia
Term
Global apsasia
Definition
Damage to both Broca’s and Wernicke’s areas
Term
Dysarthria
Definition
Poor speech motor control, damage to oral musculature control from CNS/PNS
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