The primary immediate respiratory adaptation to high altitude is:
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Correct answer: Increased ventilation
Hypoxia at high altitude stimulates peripheral chemoreceptors, increasing ventilation. This helps raise alveolar oxygen partial pressure.
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More Respiratory adaptations questions
- Long-term residence at high altitude leads to increased oxygen-carrying capacity mainly due to:
- During acclimatization to high altitude, the oxygen–hemoglobin dissociation curve shifts:
- Which respiratory adaptation improves oxygen diffusion at high altitude?
- The initial cause of respiratory alkalosis at high altitude is:
- Renal compensation for respiratory alkalosis during altitude acclimatization involves:
- During exercise training, increased ventilation is primarily due to: