The Erythrocyte Count Increases After a While When an Individual

question 47

Multiple Choice

The erythrocyte count increases after a while when an individual goes from a low to a high altitude because the .

• A)concentration of oxygen and/or total atmospheric pressure is lower at high altitudes
• B)temperature is lower at higher altitudes
• C)concentration of oxygen and/or total atmospheric pressure is higher at higher altitudes
• D)basal metabolic rate is higher at high altitudes

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