Biology Digestion/Nutrition MDCAT 2016
PMDC Verified Question 41 of 48
Protein components of food are digested by the enzymatic secretion of:
A
Goblet Cells
B
Zymogen Cells
C
Parietal Cells
D
Oxyntic Cells
Tap any option to test your recall and reveal the step-by-step Propolis autopsy.

Propolis Cognitive Error Autopsy

Official Correct Choice:
Option B: Zymogen Cells
Concept:

Protein digestion in the stomach requires a specific protease enzyme.

Formula:

N/A

Solution:

  • The principal enzyme for protein digestion in the stomach is pepsin.
  • Pepsin is synthesized and secreted in an inactive precursor form called pepsinogen by the Zymogen cells (also known as Chief cells or peptic cells).
  • Once secreted, it is activated by the acidic environment created by HCl.


Why other options are incorrect:

Goblet cells secrete mucus. Parietal/Oxyntic cells secrete HCl. None of these secrete the actual protein-digesting enzymes.

Quality & Fidelity Assurance: Every question on BeambePrep is rigorously curated against the official PMDC syllabus with zero filler, zero out-of-syllabus content, and zero typos. When an authentic past paper originally contained a historical mistake or ambiguity from the examining board (such as UHS or NUMS), BeambePrep faithfully reflects the original paper while detailing the nuance and scientific consensus in the autopsy above.

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