36. If the blood lacked red blood cells, but the lungs were functioning normally

Question

36. If the blood lacked red blood cells, but the lungs were functioning normally,
A. The arterial PO2 would be normal
B. The oxygen content of arterial blood would be normal
C. Both A and B would apply
D. Neither A nor B would apply

37. A 22-year-old man enters the hospital emergency room after severing a major artery during a motorcycle
accident. It is estimated that the patient lost approximately 700 ml of blood. His blood pressure is 90/55 mm
Hg. An increase in which of the following would be expected in response to hemorrhage in this man?
A. Heart rate
B. Sympathetic nerve activity
C. Total peripheral resistance
D. A and B
E. A, B, and C

Explanation / Answer

Question Details
36. If the blood lacked red blood cells, but the lungs were functioning normally,
A. The arterial PO2 would be normal
B. The oxygen content of arterial blood would be normal
C. Both A and B would apply
D. Neither A nor B would apply

37. A 22-year-old man enters the hospital emergency room after severing a major artery during a motorcycle
accident. It is estimated that the patient lost approximately 700 ml of blood. His blood pressure is 90/55 mm
Hg. An increase in which of the following would be expected in response to hemorrhage in this man?
A. Heart rate
B. Sympathetic nerve activity
C. Total peripheral resistance
D. A and B
E. A, B, and C

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