The most important respiratory adaptation that improves survival at high altitude is:
Show answer and explanation
Correct answer: Increased ventilation
Increased ventilation is the earliest and most critical response to hypoxia. It raises alveolar and arterial oxygen levels.
Keep practicing
More Respiratory adaptations questions
- The primary immediate respiratory adaptation to high altitude is:
- 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: