A patient has damage to the terminal ileum after intestinal disease. Which absorption is most likely to be reduced?
Correct answer: A. Vitamin B12 with intrinsic factor
- A. Vitamin B12 with intrinsic factor
- B. Iron with gastric acid
- C. Glucose with sodium
- D. Water with electrolytes
Explanation
The terminal ileum absorbs vitamin B12 after it binds to intrinsic factor. Iron is absorbed mainly in the duodenum, while glucose and much water and electrolyte absorption occur earlier in the small intestine.
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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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