Acid-base balance · Physiology

Respiratory acidosis is primarily caused by:

  1. Loss of bicarbonate
  2. Excess acid production
  3. Hypoventilation
  4. Renal failure
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Correct answer: Hypoventilation

Hypoventilation leads to CO₂ retention. Increased CO₂ raises carbonic acid levels, lowering blood pH.

Difficulty: Medium Question 4 of 20

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