30. What is the approximate oxygen content (in ml O2 / dL blood) of venous blood

Question

30. What is the approximate oxygen content (in ml O2 / dL blood) of venous blood during rest?
A. 0
B. 5
C. 10
D. 15
E. 20

31. During exercise, the oxygen content of the venous blood
A. increases
B. decreases
C. stays the same

32. During exercise, the carbon dioxide content of arterial blood
A. increases
B. decreases
C. stays the same

33. A man fell asleep in his running car one evening. He was brought unconscious into the emergency
department. His arterial PO2 was 95 mm Hg. His arterial PCO2 was 40 mm Hg. With carbon monoxide
poisoning, you would expect his arterial oxygen content to be
A. higher than normal
B. lower than normal
C. unchanged from normal

Explanation / Answer

30. What is the approximate oxygen content (in ml O2 / dL blood) of venous blood during rest?

D. 15


31. During exercise, the oxygen content of the venous blood

B. decreases


32. During exercise, the carbon dioxide content of arterial blood
A. increases


33. A man fell asleep in his running car one evening. He was brought unconscious into the emergency
department. His arterial PO2 was 95 mm Hg. His arterial PCO2 was 40 mm Hg. With carbon monoxide
poisoning, you would expect his arterial oxygen content to be

B. lower than normal

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