The inner layer of stomach whose glands secrete digestive enzymes, HCl and mucus is known as:
Correct answer: B. mucosa
- A. submucosa
- B. mucosa
- C. muscularis
- D. serosa
Explanation
The mucosa is the innermost layer of the stomach wall and contains the gastric glands, whose cells secrete pepsinogen, HCl and mucus. The submucosa beneath it carries blood vessels and nerves, the muscularis churns the food and the serosa is the outer covering.
This question appeared on the UHS MDCAT 2026 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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