The most important function of hydrochloric acid in the stomach is_______________?
Correct answer: C. Activation of pepsinogen
- A. Destruction of bacteria
- B. Neutralization of chyme
- C. Activation of pepsinogen
- D. Stimulation of pancreatic secretion
Explanation
Hydrochloric acid converts pepsinogen into pepsin, providing the acidic pH required for protein digestion. It also kills many microbes, but pepsinogen activation is the key function among these options.
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