Acid-base balance · Physiology

Respiratory alkalosis most commonly results from:

  1. Hypoventilation
  2. Renal failure
  3. Hyperventilation
  4. Loss of gastric acid
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Correct answer: Hyperventilation

Hyperventilation causes excessive CO₂ loss. This reduces carbonic acid and raises blood pH.

Difficulty: Medium Question 9 of 20

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