If a person were to stay at high altitudes for a long period of time, his hematocrit would increase in order to compensate for the decrease in the amount of oxygen in the air he is breathing.

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Quizplus · Accepted Answer

This is true. At high altitudes, the amount of oxygen in the air decreases which can lead to hypoxia. In order to compensate for this, the body produces more red blood cells which increases the hematocrit (the ratio of red blood cells to total blood volume) and allows for more oxygen to be delivered to tissues.

If a Person Were to Stay at High Altitudes for a Long