Which adaptation reduces diffusion limitation during exercise?
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Correct answer: Increased pulmonary capillary recruitment
Exercise recruits additional pulmonary capillaries. This improves diffusion capacity for oxygen.
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More Respiratory adaptations questions
- During acute exposure to high altitude, arterial oxygen saturation initially:
- Which factor primarily limits maximal ventilation during intense exercise?
- An increase in tidal volume during exercise helps by:
- Which respiratory adaptation is most important for sustaining prolonged exercise?
- At high altitude, pulmonary arterial pressure may increase due to:
- Which adaptation helps prevent excessive respiratory alkalosis during chronic altitude exposure?