

MCQOPTIONS
Saved Bookmarks
1. |
Ascent of high mountains may cause altitude sickness in men. Prime cause for this is _______ |
A. | Decreased proportion of oxygen in the air |
B. | Decreased partial pressure of oxygen |
C. | Decreased efficiency of hemoglobin |
D. | Excess CO<sub>2</sub> in blood |
Answer» C. Decreased efficiency of hemoglobin | |