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GK QUESTION#3817

In the human stomach, what is the main role of hydrochloric acid?

  1. ANeutralize the food
  2. BMaintain an alkaline environment
  3. CTo create an acidic medium for enzyme actionCorrect answer
  4. DPrevent protein digestion
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Answer

C. To create an acidic medium for enzyme action

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Explanation

Hydrochloric acid creates the acidic gastric environment needed for pepsin activity and helps activate pepsinogen. It also contributes to protein denaturation and defence against ingested microorganisms.

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