Term
Respiratory System Functions |
|
Definition
MOPSS
Move air to and from exchange surfaces
Olfactory sensations
Protect surfaces from environment
-Moisture
-Temp
-Invading pathogens
Surface are for gas exchange
Sounds for speech |
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Term
|
Definition
Nose
Nasal Cavity
Paranasal sinuses
Pharynx
Larynx |
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Term
|
Definition
Trachea
Bronchi
Bronchioles
Alveoli |
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Term
|
Definition
GET AIR FROM A TO B
-Nasal cavity to terminal bronchioles
-Lined with respiratory mucosa |
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Term
|
Definition
GAS EXCHANGE TAKES PLACE
-Respiratory bronchioles
-Alveolar ducts
-Alveoli |
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Term
|
Definition
-Epithelium: cilliated psuedostratified columnar
-Lamina Propria |
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|
Term
|
Definition
UPPER RESPIRATORY
-mucous glands
-serous glands: watery fluid containg enzymes (lysozyme)
LOWER RESPIRATORY
-conducting portions: contains smooth muscle
-smooth muscle controls diameter of tubes |
|
|
Term
Nose and Nasal Cavity: Function |
|
Definition
-Provide
-Moisten
-Filter
-Resonate for speech
-House olfactory receptors |
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|
Term
What is the nose and nasal cavity lined with? |
|
Definition
pseudostratified ciliated columnar epithelium |
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|
Term
Paranasal Sinuses: Functions |
|
Definition
-Produce mucous
-Lighten skull
-Warm and moisten air |
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Term
|
Definition
inflammation of the sinuses (sinus infection) |
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|
Term
|
Definition
inflammation of the nasal mucosa
-excessive mucous production, nasal congestion, postnasal drip
Caused by cold virus, streptococcal bacteria, allergens
-produce a lot of histamines
Take an antihistamine for symptoms |
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Term
|
Definition
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|
Term
What are the three parts of the pharynx? |
|
Definition
nasopharynx
oropharynx
laryngophaynx |
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Term
|
Definition
pseudostratified columnar epithelium |
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Term
|
Definition
stratified squamous epithelium
-more protection |
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|
Term
Laryngopharynx epithelium |
|
Definition
stratified squamous epithelium
-more protection |
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Term
|
Definition
glottis
epiglottis
cartilage |
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|
Term
How does testosterone affect the vocal cords? |
|
Definition
it changs the size of the larynx and vocal cords
-so rapidly they squeak!! |
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|
Term
Why is the trachea cartilage c-shaped? |
|
Definition
So when swallowing something, there will be room for the esophagus to expand with the size of the food. |
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Term
|
Definition
ciliated columnar epithelium |
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Term
|
Definition
primary
secondary
tertiary |
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|
Term
what happens to the amount of cartilage from primary to tertiary? |
|
Definition
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|
Term
What shape are primary bronchi? |
|
Definition
|
|
Term
|
Definition
larger
steeper angle
more likely for debris to get lodged here |
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|
Term
How many secondary bronchi are they? |
|
Definition
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|
Term
What increases from primary to tertiary bronchi? |
|
Definition
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|
Term
Which lung has 3 lobes, which has 2? |
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Definition
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Term
|
Definition
infection of the bronchi or bronchioles resulting in constriction of air passageways |
|
|
Term
|
Definition
-no cartilage
-smooth muscle
-highly branched
-ends with terminal bronchioles |
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|
Term
what is the purpose of the smooth muscle in the bronchioles? |
|
Definition
-controls airflow
-bronchodilation and bronchoconstriction: controlled by NS
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Term
|
Definition
an over stimulation of the smooth muscle in the bronchioles |
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|
Term
What is the alveolar sac? |
|
Definition
a big grouping of Alveoli |
|
|
Term
|
Definition
simple squamous epithelium
(type I cells) |
|
|
Term
What do Alveolar macrophages do? |
|
Definition
ingest any foreign particles |
|
|
Term
Septal Cells (type II cells) |
|
Definition
larger than squamous cells
Function: produce surfactant |
|
|
Term
what is the purpose of surfactant? |
|
Definition
Surfactant reduces the surface tension within in your lungs, your alveoli have a wet surface and if surfactant were not present they would stick together causing a difficulty in expanding your thoracic cavity-so you wouldn't be able to breath without surfactant. |
|
|
Term
|
Definition
-build up of fluid in alveoli due to an infection causing inflammation
-causes a thicker membrane which makes gas exchange harder |
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|
Term
Normally, how thick is the resp. membrane? |
|
Definition
|
|
Term
what are the three parts of the resp. membrane? |
|
Definition
epithelial cells of the alveolus
endothelial cells of capillary
basal laminae in between |
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|
Term
What diffuses across the resp membrane? |
|
Definition
|
|
Term
What is a pulmonary embolism? result of it?
|
|
Definition
-blockage causing lack of blood to region of lung
-could result in collapse of alveoli
puts stress on breathing and heart
leading to congestive heart failure |
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|
Term
|
Definition
|
|
Term
what is the normal pressure of the lungs? |
|
Definition
4 mmHg less than atm pressure |
|
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Term
|
Definition
ease at which the lungs expand and contract
-lower compliance=harder you must work to fill and empty your lungs |
|
|
Term
|
Definition
loss of supporting tissues
-i.e emphysema- build up of scar tissue
low levels of surfactant production
arthritis or other skeletal disorders that affect mobility of the thoracic cavity |
|
|
Term
surface tension vs surfactant |
|
Definition
surfactant breaks up surface tension and therefore keeps alveoli from collasping |
|
|
Term
what is Infant Resp. Distress Syndrome? |
|
Definition
too little surfactant present causes alveoli to collapse
treatment: spray surfactant in newborn's resp. passageways, respirator. |
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|
Term
inspiration vs expiration |
|
Definition
INSPIRATION:
diaphragm moves down(contracts)
lower pressure
EXPIRATION:
diaphragm moves up(relaxes)
higher pressure |
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|
Term
|
Definition
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|
Term
what causes the lung to collapse? (pneumothorax) |
|
Definition
neg. pressure in the pleural cavity is gone |
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|
Term
how do you fix pneumothorax? |
|
Definition
chest tube to re-expand the lung |
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|
Term
|
Definition
|
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Term
|
Definition
excercising (increased rate and depth of breathing) |
|
|
Term
what is the amount for vital capacity? |
|
Definition
|
|
Term
what is the normal amount for tidal volume? |
|
Definition
|
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Term
|
Definition
normal amount of air you can inhale/exhale |
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|
Term
what is the expiratory reserve volume? |
|
Definition
how much you can exhale after 500ml |
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|
Term
what is the inspiratory reserve volume? |
|
Definition
how much you can inhale after 500ml |
|
|
Term
what is the residual volume? |
|
Definition
how much is left after exhaling |
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|
Term
what are the columns of the lung volumes chart? |
|
Definition
1: inspiratory reserve volume
tidal volume
expiratory reserve volume
residual volume
2: inspiratory capacity
functional residual capacity
3:vital capacity
residual volume
4: total lung volume (capacity) |
|
|
Term
|
Definition
volume in alveoli that cease to act in gas exchange -due to collapse, scar tissue, or mucus |
|
|
Term
|
Definition
volume that fills conducting respiratory passagesways and never contributes to gas exchange
-the amount of air that never makes it to alveoli |
|
|
Term
what the normal anatomical dead space? |
|
Definition
|
|
Term
what is the equation for total dead space? |
|
Definition
anatomical dead space + alveolar dead space |
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|
Term
|
Definition
# of breaths taken per minute |
|
|
Term
what is the respiratory rate for an adult? |
|
Definition
|
|
Term
what is the normak respiratory rate for a child? |
|
Definition
|
|
Term
what is the equation for respiratory minute volume? |
|
Definition
breaths/min(f) * tidal volume(Vt) |
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|
Term
|
Definition
each of the gases contributes to the total pressure in the proportion to its abundance |
|
|
Term
what is partial pressure? |
|
Definition
pressure contributed by a single gas in a mixture of gases |
|
|
Term
Nitrogen's partial atm pressure |
|
Definition
78.6% of atm
.786 * 760mmHg = 597.36mmHg |
|
|
Term
Oxygen's partial atm pressure |
|
Definition
20.9% of atm
.209 * 760mmHg = 158.84mmHg |
|
|
Term
Carbon Dioxide's partial atm pressure |
|
Definition
0.04% of atm
.0004 * 760mmHg = 0.3mmHg |
|
|
Term
What is altitude sickness? |
|
Definition
your body's reaction to the lower amount of oxygen at a higher altitude |
|
|
Term
|
Definition
the amount of a particular gas in solution is directly proportional to the partial pressure of that gas |
|
|
Term
What is decompression sickness? |
|
Definition
when a scuba diver ascends too quickly and the nitrogen that had previously gone into solution, comes out of solution and forms bubbles in joints, bloodtream, CSF |
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|
Term
in what direction does gas move? |
|
Definition
High pressure to low pressure |
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|
Term
How are ventilation and perfusion coordinated? |
|
Definition
reduced alveolar ventilation=excessive perfusion
enhanced alveolar ventilation=inadequate perfusion |
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|
Term
What binds oxygen in a RBC? |
|
Definition
|
|
Term
how many molecules of oxygen can each hemoglobin carry? |
|
Definition
|
|
Term
what is the hemoglobin called when it has released all its oxygen? |
|
Definition
|
|
Term
what does oxygen bind to in the hemoglobin? |
|
Definition
|
|
Term
why is CO poisoning so easy to acquire? |
|
Definition
CO has a higher affinity for heme than oxygen |
|
|
Term
what is the structure of a hemoglobin? |
|
Definition
quarternary structure: 4 globular proteins |
|
|
Term
what happens to the oxygen-hemoglobin dissociation curve when excercising? |
|
Definition
|
|
Term
what are the factors of the oxygen-hemiglobin dissociation curve during excercise, when it shifts to the right? |
|
Definition
decrease pH
increase Temperature
increase pressure of CO2
increase 2,3 BPG |
|
|
Term
|
Definition
inadequate delivery to body tissues regardless of cause |
|
|
Term
|
Definition
too few RBCs or too little Hb |
|
|
Term
|
Definition
blood circulation is impaired or blocked (CHF, emboli, thrombi) |
|
|
Term
|
Definition
congestive heart failure
too many heart attacks |
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|
Term
|
Definition
blood clots, things that float around in the blood get lodged |
|
|
Term
|
Definition
inappropriate blood clots |
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|
Term
|
Definition
body cells unable to use oxygen (metabloic poisons-CO) |
|
|
Term
|
Definition
reduced arterial PO2 (poor ventilation-perfusion coupling, COPD, CO poisoning) |
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|
Term
what happens when Hb saturation falls below 75%? |
|
Definition
become Cyanotic (blusih cast to the skin) |
|
|
Term
what is the chemical equation for the formation of carbonic acid? |
|
Definition
CO2 + H2O <-> H2CO3 <-> H+ + HCO3- |
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|
Term
what enters into the RBC when the bicarbonate ion leaves? |
|
Definition
|
|
Term
what does CO2 combine with when entering the RBC? and what do they make? |
|
Definition
H2O
carbonic acid (H2CO3) |
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|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
What is the function of blood in the respiratory system? |
|
Definition
transport dissolved gases |
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|
Term
What is the function of blood in the digestive system?
|
|
Definition
|
|
Term
What is the function of blood in the endocrine system?
|
|
Definition
|
|
Term
What is the function of blood in the urinary system?
|
|
Definition
transport of waste, water, and pH balance |
|
|
Term
What is the function of blood in the lymphatic system?
|
|
Definition
|
|
Term
What is the function of blood with hemostasis?
|
|
Definition
Thermoregulation
restriction of fluid loss at injured sites
pH balance
fluid and electrolyte regualtion |
|
|
Term
how much blood do adults have? |
|
Definition
|
|
Term
|
Definition
a clear extracellular fluid
-higher viscosity than water
-soluble proteins |
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|
Term
|
Definition
|
|
Term
|
Definition
production of formed elements from stem cells |
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|
Term
what is the average pH of human blood? is it more basic or acidic? |
|
Definition
|
|
Term
|
Definition
the % of total blood volume that is RBCs |
|
|
Term
why do makes generally have a higher hematocrit level? |
|
Definition
it's due to their higher muscle mass |
|
|
Term
what is plasma a mixture of? |
|
Definition
90% water
8% proteins
enzymes, nutrients, wastes, hormones, and gases |
|
|
Term
what is the plasma called when it is allowed to clot? |
|
Definition
serum
plasma - clotting factors |
|
|
Term
what are all but one of the plasma proteins formed by? which one isn't formed here? |
|
Definition
|
|
Term
what are globulins produced by? |
|
Definition
|
|
Term
what is the most abundant plasma protein? |
|
Definition
Albumins (protein in egg whites) |
|
|
Term
what role does fibrinogen play in the plasma? |
|
Definition
it's a precursor of fibrin threads (insoluble) that help form blood clots |
|
|
Term
|
Definition
provide immune defenses (antibodies) or transport ions, hormones, etc. that may have a low solubility with water or to prevent loss at kidneys |
|
|
Term
what are the nonprotein components of plasma? |
|
Definition
nitrogenous compounds
nutrients
O2 and CO2
electrolytes |
|
|
Term
what produces RBCs, WBCs, and platelets? |
|
Definition
|
|
Term
what stimulates hemopoiesis and hematopoiesis? |
|
Definition
|
|
Term
where is erythropoietin produced? |
|
Definition
|
|
Term
what are the steps in erythropoiesis? |
|
Definition
proerythroblast-> erythroblast -> normoblast -> reticulocyte -> erythrocyte |
|
|
Term
|
Definition
pumping RBCs into your body to increase the amount of O2 your blood can hold |
|
|
Term
|
Definition
|
|
Term
what happens to the amount of erythropoiesis at a higher altitude? why? |
|
Definition
increases bc the lack of O2 triggers RBC production |
|
|
Term
what is the key nutritional requirement for erythropoiesis? |
|
Definition
|
|
Term
where are lymphocyte B cells formed? |
|
Definition
|
|
Term
where are lymphocyte T cells formed? |
|
Definition
|
|
Term
what do monocytes become once they leave circulation? |
|
Definition
|
|
Term
|
Definition
|
|
Term
how long do RBCs live for? |
|
Definition
|
|
Term
|
Definition
-inadequate erythropoiesis or hemoglobin synthesis
-hemorrhagic anemias form loss blood
-hemolytic anemias from RBC destruction |
|
|
Term
what causes an inadequate erythropoiesis or hemoglobin synthesis? |
|
Definition
-inadequate vitamin B12 from poor nutrition or lack of intrinsic factor from glands of the stomach (pernaicious anemia)
-iron-deficiency anemia
-kidney failure & insufficient erythropoietin hormone
-aplastic anemia: from destruction or inhibition of red bone marrow by certain drugs, chemicals, radiation, viruses |
|
|
Term
what are the effects of anemia? |
|
Definition
-tissue hypoxia and necrosis (short of breath & lethargic)
-low blood osmolarity (tissue edema)
-low blood viscosity (heart races & pressure drops) |
|
|
Term
|
Definition
-hereditary Hb defect
1 gene- 40% sickled
2 genes- 80% sickled |
|
|
Term
|
Definition
excessive destruction of RBCs |
|
|
Term
|
Definition
excess of erythrocytes
increases blood viscosity
-can happen by blood doping, or overproduction of erythropoietin
-concentration of the blood increases and becomes a "sludge" |
|
|
Term
|
Definition
-bone marrow cancer
-blood volume doubles |
|
|
Term
|
Definition
-adaptation to living at high altitudes
-excessive EPO production
-blood doping: risks- stroke, heart failure |
|
|
Term
what attracts WBCs to the site? |
|
Definition
positive chemotaxis: chemical stimuli |
|
|
Term
|
Definition
-eosinophils
-basophils
-neutrophils |
|
|
Term
|
Definition
-increase in parasitic infections or allergic reactions
-release toxic compounds that digest parasites from the inside out
-often contribute to tissue damage that occurs in immune response
-pink-orange granules & bilobed parasites |
|
|
Term
|
Definition
Abundant, dark violet granules, large U-shaped nucleus hidden by granules
-increase in chicken pox, sinusitis, diabetes
-release histamines, heparin |
|
|
Term
|
Definition
|
|
Term
|
Definition
multilobed nucleus
-increase in bacterial infections
-Phagocytosis
-secretes prostoglandins |
|
|
Term
|
Definition
increase inflammation, pain, fever, and capillary permeability |
|
|
Term
|
Definition
|
|
Term
|
Definition
round, uniform, dark violet nucleus
-increase in divert infections & immune responses
-T-cells
-B-cells
-Natural killer cells
-smallest of the WBCs |
|
|
Term
|
Definition
"present" antigens to activate other immune cells
-coordinate actions of other immune cells
IN CHARGE |
|
|
Term
|
Definition
secret antibodies & provide immune memory |
|
|
Term
|
Definition
detect and destroy abnormal tissue cells (cancer) |
|
|
Term
|
Definition
kidney or horseshoe shaped nucleus
-increase in viral infections
-become macrophages upon leaving circulation
-aggressively phyocytotic
-"present" antigens to activate other immune cells |
|
|
Term
|
Definition
Low WBC count (<5000/μL)
Causes: radiation, poisons, glucocorticoids, anticancer drugs
Effects: elevates risk of infection |
|
|
Term
|
Definition
high WBC count (>10000/μL)
Causes: infection, allergy & disease
distinguishes % of each cell type
|
|
|
Term
|
Definition
cancer of hemopoietic tissue
Myelocytic or Lymphocytic
Effects: normal cell 5 disrupted, patient subject to opportunistic infection, anemia & impaired clotting |
|
|
Term
|
Definition
myeloblast cell line
-affects every cell except lymphocytes |
|
|
Term
|
Definition
lymphoid cell line
-only affects lymphocytes |
|
|
Term
|
Definition
quickly advancing, derived from blast type cells |
|
|
Term
|
Definition
slowly advancing, derived from later cell stages |
|
|
Term
what is a normal platelet count? |
|
Definition
150,000 to 500,000 platelets/μL |
|
|
Term
where are 1/3 of platelets held, ready to mobilize during circulatory crisis |
|
Definition
|
|
Term
what are the functions of platelets? |
|
Definition
-secrete clotting factors, growth factors for endothelial repair, and vasoconstrictors in broken vessel
-form temporary platelet plugs
-dissolve old blood clots |
|
|
Term
what are the three stages of hemostasis? |
|
Definition
Vascular Spasm
Platelet plug formation
Blood clotting |
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
|
Definition
|
|
Term
What happens after 10 is activated in the instrinsic pathway? |
|
Definition
prothrombin activator
thrombin
fibrin |
|
|
Term
|
Definition
platelet count below 50,000/μL
Cause: anything interfering qith red bone marrow |
|
|
Term
|
Definition
-genetic lack if clotting factors
-sex-linked recessive in males (inherit from mother)
-hemophilia A- missing factor VIII
-hemophilia B- missing factor IX
-physical exertion causes bleeding & excruciating pain
Treatment: shots to replace intrinsic factor |
|
|
Term
|
Definition
unwanted clot traveling in a vessel |
|
|
Term
|
Definition
embolus obstructing a vessel |
|
|
Term
|
Definition
myocardial infraction: heart attack |
|
|
Term
|
Definition
interferes with production of clotting factors |
|
|
Term
what do blood thinners do? |
|
Definition
prevent clot formation
(they don't actually make blood thin) |
|
|
Term
Hemolytic Disease of Newborn |
|
Definition
Mother's antibodies attack fetal blood causing severe anemia & toxic brain syndrome from excessive bilirubin in blood
Treatment: phototherapy to degrade bilirubin or exchange tranfusion to completely replace infant's blood |
|
|