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15 Cards in this Set

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What is V? Q?
ventilaion and perfusion
How doe spulmonarhy blood flow supply the lungs?
it doesn't supply them, it feeds blood in to be oxygenated
what is the division called that supplies the lungs with blood?
bronchial perfusion
Which of the following does NOT contain lymphatics?
Arery
vein
arlveolar walls
airway
alveolar walls
What is the edema safety factor? what part of the lungs provides this?
up to 20 mmHg of safety net for edema pressure, achieved by lymphatics
Which wall are more compliant:
pul artery or aorta
pul vein or systemic vein
pul artery
equal
Where do ronchial veins send de-Oxygenated blood?
Left atrium
Where is there "mixed venous" blood? what causes this?
pulmonary veins - get de-o2 blood from bronchial veins, and o2 blood from the lungs
match these blood volumes (83%, 7%, 10%) with their locations (pulmonary, heart, systemic)
systemic - 83
pulmonary - 10
heart - 7
What are extra alveolar vessels? What type of pressure do they comrpsie?
pul art/vein - intrapleural pressure
what are the intraalveolar vessels? what type of pressure surrounds them?
pul capillaries, alveolar pressure
What are the 2 ways capillary collapse can happen? (increases/decreases in pressure?
increase in alveolar pressure
or
decreased capillary pressure
How do you get increased alveolar pressure (that could cause collapse)
forece expiration, PEEP
how do you get decreased capillary pressure, that could cause collapse?
hypovolemia
What are the 3 zones of the lung, and how much flow is in each?
1 - apex - zero
2 - apex/middle - intermittent (during systole)
3 - base - continuous flow