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AIIMS2019ZoologyDigestion and Absorption

Assertion : Gastrin is required for the process of digestion in humans. Reason : Gastrin induces HCl production and pepsinogen.

Options

  1. AIf both assertion and reason are true and reason is the correct explanation of assertion.
  2. BIf both assertion and reason are true but reason is not the correct explanation of assertion.
  3. CIf assertion is true but reason is false.
  4. DIf both assertion and reason are false.

Correct answer

A. If both assertion and reason are true and reason is the correct explanation of assertion.

Step-by-step solution

Food or mechanical stimulation in the stomach activates cells of the antral mucosa to liberate a hormone gastrin that passes into the blood and stimulates parietal cells of stomach to secrete HCl and to a lesser extent so called chief cells to secrete pepsinogen.

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