mdcat logical reasoning MCQ #506

A patient experiences night blindness. Which deficiency is most likely the cause?

mdcat logical reasoning MCQ #506

  1. Question 1

    Q1. A patient experiences night blindness. Which deficiency is most likely the cause?

    • A) Vitamin C
    • B) Vitamin D
    • C) Vitamin A
    • D) Vitamin B12

    Answer: Vitamin A

    Explanation: Vitamin A deficiency affects retinal function. B is incorrect as it regulates calcium, not vision.