Which of the following is a common genetic mutation leading to hypoxia-induced polycythemia in patients with chronic mountain sickness?
AEGFR gene mutation
BJAK2 V617F mutation
CHIF1α gene mutation
DVHL gene mutation
Which is a feature of high-altitude pulmonary edema?
AAssociated with low cardiac output
BExercise has no effect
CAssociated with pulmonary hypertension
DOccurs in both acclimatized and unacclimatized persons
During acclimatization to high altitude, all of the following take place except:
AIncrease in minute ventilation
BIncrease in the sensitivity of carotid body to hypoxia
CShift in the oxygen dissociation curve to the left
DIncrease in 2,3-BPG levels in red blood cells
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