With regard to the normal Hb-ox-y-en dissociation curve, which is the most likely
to be CORRECT?

Question

TuteeHUB · Accepted Answer

when arterial PO2 = 30mmHg, Hb saturation is   40%

TuteeHUB · Answer

when arterial PO2 = 60mmHg, Hb saturation is   80%

TuteeHUB · Answer

when arterial PO2 = 40mmHg, Hb saturation is   75%

TuteeHUB · Answer

acidosis shifts the curve to the left

TuteeHUB · Answer

decreased PCO2 shifts the curve to the right

1.	With regard to the normal Hb-ox-y-en dissociation curve, which is the most likely to be CORRECT?
A.	when arterial PO2 = 60mmHg, Hb saturation is 80%
B.	when arterial PO2 = 40mmHg, Hb saturation is 75%
C.	when arterial PO2 = 30mmHg, Hb saturation is 40%
D.	acidosis shifts the curve to the left
E.	decreased PCO2 shifts the curve to the right
Answer» C. when arterial PO2 = 30mmHg, Hb saturation is 40%

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