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Test 8
The Rest
11
Physiology
Professional
12/16/2010

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Term
Describe emphysema
Definition
loss of elastic tissue>>decreased elastance and increased compliance>>alveoli are easy to open, but they can't recoil>>air gets trapped in the lungs>>air can't be pushed out all the way
Term
if someone has an obstructive disease, what do they have trouble with?
Definition
expiration
Term
4 obstructive diseases:
Definition
COPD, Asthma, Chronic Bronchitis, Emphysema
Term
what disease causes cor pulmonale?
Definition
emphysema
Term
IRDS babies: describe elastance and compliance
Definition
very high elastance and very low compliance, so they have trouble inspiring
Term
describe blue bloaters
Definition
cyanosis with hyperinflated chest bc expiration is more difficult
Term
name 2 diseases with restrictive respiratory dysfunction
Definition
IRDS and fibrosis
Term
describe pink puffers
Definition
well oxygenated but take shallow breaths. can't inflate lungs all the way
Term
which respiratory center is completely necessary for breathing?
Definition
medullary
Term
what is the main function of the pneumotaxic center?
Definition
smooth transitional breathing
Term
why doesn't an increase in H+ in arteriole blood trigger central receptors?
Definition
cannot penetrate the blood brain barrier
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