Physiology – MCQ 79 – Changes during acclimatization to high altitude

Collection of Medicine MCQs (Cardiovascular system) for medical students. Concept based MCQs with detailed explanations which help students to gain valuable insights and gain an edge in competitive examinations. More than just answering MCQs, the explanations will improve the knowledge and understanding about the conditions discussed. Also useful for MD students who are preparing for Superspeciality entrance examinations. Medicine MCQs - Cardiovascular System Kindle Edition: Click Here for a Preview. Comments and suggestions are most welcome.

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.

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