AIPMT MAIN 2008 Zoology Gastric Secretions MCQ Question
What will happen if the secretion of parietal cells of gastric glands is blocked with an inhibitor?
Enterokinase will not be released from the duodenal mucosa and so trypsinogen is not converted to trypsin
Gastric juice will be deficient in chymosin
Gastric juice will be deficient in pepsinogen
In the absence of HCl secretion, inactive pepsinogen is not converted into the active enzyme pepsin.
Correct Answer
Detailed Explanation
Parietal cells/oxyntic cells secrete HCl and Castle's intrinsic factor. Pepsinogen is converted into active pepsin by HCl, i.e., by change in pH.
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