Quiz 5 Flashcards
1
Q
o2 amount used by cells?
A
250ml/min
2
Q
metabolic arteriovenous co2 difference
A
40 ml/L
3
Q
metabolic arteriovenous o2 difference
A
50 ml/L
4
Q
how much more o2 carried by RBC (erythrocytes) than plasma?
A
65x
5
Q
o2 highest where in vasculature?
A
Pulmonary capillaries
6
Q
how can you get CO poisoning in anesthesia? s/s?
A
saturated scavenger, cherry lips, 100% saturation
7
Q
for a given partial pressure of o2 in blood, what does a shift to the right do?
A
lower affinity for o2, lower saturation level
8
Q
a shift to the left means?
A
higher affinity for o2
9
Q
why are pco2 levels not as effected by v/q mismatch?
A
Co2 diffusion capacity 20x greater than o2
