Hypoxia and hypercapnia · Physiology

Hypoxia is best defined as:

  1. Decreased arterial carbon dioxide tension
  2. Inadequate oxygen supply to tissues
  3. Reduced ventilation of the lungs
  4. Abnormally high blood oxygen content
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Correct answer: Inadequate oxygen supply to tissues

Hypoxia refers to insufficient oxygen availability at the tissue level. It can occur despite normal oxygen content in the blood.

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