Multiple choice

What effect would an H2 blocker have on the conversion of pepsinogen to pepsin?

  1. increase

  2. decrease
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

H2 blockers inhibit the H2 receptors on parietal cells, which reduces the secretion of hydrochloric acid (HCl). Since HCl is required to convert pepsinogen into active pepsin, reducing acid levels leads to a decrease in this conversion.

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