MDCAT Biology MCQ #2976

A condition that results in the inability to absorb vitamin B12 is most likely due to a deficiency in which factor?

MDCAT Biology MCQ #2976

  1. Question 1

    Q1. A condition that results in the inability to absorb vitamin B12 is most likely due to a deficiency in which factor?

    • A) Intrinsic factor
    • B) Extrinsic factor
    • C) Gastric amylase
    • D) Pancreatic lipase

    Answer: Intrinsic factor

    Explanation: Intrinsic factor is necessary for vitamin B12 absorption; it is produced by parietal cells in the stomach.