Acid-base balance · Physiology

The primary compensatory mechanism for metabolic acidosis is:

  1. Renal bicarbonate excretion
  2. Increased ventilation
  3. Decreased hydrogen ion secretion
  4. Reduced protein buffering
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Correct answer: Increased ventilation

The lungs compensate by increasing ventilation to blow off CO₂. This reduces carbonic acid concentration.

Difficulty: Medium Question 8 of 20

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