Which pancreatic secretion helps protect the duodenal lining from acidic chyme?
Correct answer: A. Bicarbonate
- A. Bicarbonate
- B. Pepsin
- C. Intrinsic factor
- D. Hydrochloric acid
Explanation
Pancreatic bicarbonate neutralizes acid entering the duodenum from the stomach. Pepsin is a stomach protein-digesting enzyme, intrinsic factor supports vitamin B12 absorption, and hydrochloric acid is produced in the stomach.
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About Digestive System
The digestive system covers the structure and functions of the alimentary canal from mouth to anus, along with the liver, gallbladder and pancreas. It explains mechanical and chemical digestion, the action of major enzymes, absorption through intestinal villi, and how digestion differs from absorption and assimilation.
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