Acid-base balance · Physiology

The main compensatory response to respiratory acidosis involves the:

  1. Lungs increasing ventilation
  2. Kidneys excreting hydrogen ions
  3. Intestines absorbing bicarbonate
  4. Blood buffering proteins only
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Correct answer: Kidneys excreting hydrogen ions

The kidneys compensate by increasing hydrogen ion excretion and bicarbonate reabsorption. This helps restore pH toward normal.

Difficulty: Medium Question 5 of 20

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