Alveolar Ventilation, Perfusion, and Gas Exchange

Question 1

Pa CO2 vs. PA CO2

Answer 1

almost always identical

Question 2

what region of lung most likely affected by embolism?

Answer 2

base of lung

-where perfusion greatest

Question 3

hypoxic vasoconstriction?

Answer 3

to decrease physiologic dead space

Question 4

orthopnea

Answer 4

difficulty breathing when lying down

Question 5

starling equation

Answer 5

defines flow in and out of capillary