Digestion-And-Absorption Question 823
Question: Vitamin $ B_{12} $ is absorbed primarily in the:
Options:
A) ileum
B) stomach
C) jejunum
D) duodenum
Show Answer
Answer:
Correct Answer: A
Solution:
Vitamin absorption requires intrinsic factor secreted by the parietal cells of the gastric mucosa.
It is propelled along the small intestine to the terminal ileum and absorbed by an active transport process.
BETA
