34. Many athletes illegally \"dope\" their blood. That is, they increase the nor

Question

34. Many athletes illegally "dope" their blood. That is, they increase the normal concentration of hemoglobin to 15 g/100 ml of blood to a value greater than 20 g/100 ml of blood. Which of the following would be

expected to increase in these cheaters?

A. Arterial PO2

B. Arterial oxygen content

C. Arterial hemoglobin saturation

D. A and B

E. A, B and C

35. Acute hemorrhage causes a reduction of the hemoglobin (Hb) concentration to 60% of normal in anotherwise healthy individual. If the alveolar ventilation and oxygen consumption rates remain the same asbefore the hemorrhage, which of the following will occur after the hemorrhage?

A. Normal arterial PO2, normal arterial oxygen content

B. Low arterial PO2, normal arterial oxygen content

C. Low arterial PO2, low arterial oxygen content

D. Normal arterial PO2, low arterial oxygen content 

Explanation / Answer

34.d 35.c

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