Intrinsic factor secreted by parietal cells of stomach mucosa helps in:
Correct answer: A. Vitamin B12 absorption
- A. Vitamin B12 absorption
- B. Protein digestion
- C. Carbohydrate breakdown
- D. Bowel movement
Explanation
Intrinsic factor plays a crucial role in the transportation and absorption of the vital micronutrient vitamin B12.
This question appeared on the NUMS 2021 paper, which you can sit online with every answer explained.
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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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