Physiology – MCQ 79 – Changes during acclimatization to high altitude

During acclimatization to high altitude all of the following take place except:
A. Increase in minute ventilation
B. Increase in the sensitivity of central chemoreceptors
C. Increase in the sensitivity of carotid body to hypoxia
D. Shift in the oxygen dissociation curve to the left

Correct answer : D. Shift in the oxygen dissociation curve to the left

During acclimatization, there is shift of oxygen dissociation curve to the right. This improves oxygen release into tissues.