MDCAT Biology MCQ #2933

The absorption of vitamin B12 requires

MDCAT Biology MCQ #2933

  1. Question 1

    Q1. The absorption of vitamin B12 requires

    • A) Intrinsic factor
    • B) Gastrin
    • C) Secretin
    • D) CCK

    Answer: Intrinsic factor

    Explanation: Intrinsic factor, produced by the stomach, is necessary for vitamin B12 absorption in the ileum.