The hypoxia associated with high altitude can cause
A)vasodilation of the major arterial blood vessels.
B)vasoconstriction of the pulmonary blood vessels.
C)vasoconstriction of the coronary blood vessels.
D)vasodilation of the major venous blood vessels.

Question

Quizplus · Accepted Answer

The low oxygen levels at high altitude can cause the pulmonary blood vessels to constrict in order to redirect blood flow to areas of the lung where there is more oxygen available. This can lead to pulmonary hypertension and altitude sickness. Options A, C and D do not accurately describe the effects of hypoxia on blood vessels.

The Hypoxia Associated with High Altitude Can Cause