Solved UPSC CDS/OTA Question
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Q · Respiratory System medium · 45s
High altitude residents adapt by:
TopicRespiratory System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Chronic altitude exposure stimulates erythropoietin release raising hematocrit, and peripheral chemoreceptor sensitivity increases ventilation to compensate for lower atmospheric PO₂, improving oxygen delivery.
Final Answer: Option B - Increased hematocrit and ventilation