Pepsinogen is produced from__________?
Correct answer: C. Zymogen cells
- A. Mucous cells
- B. Parietal cells
- C. Zymogen cells
- D. All of these
Explanation
Pepsinogen is an inactive digestive enzyme released by zymogen, or chief, cells in the gastric glands. Parietal cells secrete hydrochloric acid, while mucous cells produce protective mucus, so students commonly choose parietal cells by confusing all gastric gland secretions.
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About Human Digestive System
The human digestive system breaks food into absorbable molecules through mechanical processing, enzyme action and chemical conditions along the alimentary canal. Questions cover the mouth, stomach, small and large intestines, liver, pancreas and associated secretions, including the digestion and absorption of carbohydrates, proteins, lipids, vitamins, minerals and water.
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