The erythrocyte count increases after a while when an individual goes from a low to a high altitude because the .
A) temperature is lower at higher altitudes
B) concentration of oxygen and/or total atmospheric pressure is lower at high altitudes
C) concentration of oxygen and/or total atmospheric pressure is higher at higher altitudes
D) basal metabolic rate is higher at high altitudes

Question

Quizplus · Accepted Answer

At high altitudes, the concentration of oxygen and atmospheric pressure are lower, which stimulates the production of more erythrocytes to enhance oxygen transport in the blood.

The Erythrocyte Count Increases After a While When an Individual