Erythrocyte physiology · Physiology

Which vitamin deficiency most directly impairs erythrocyte maturation?

  1. Vitamin C (ascorbic acid)
  2. Vitamin D (calciferol)
  3. Vitamin B12
  4. Vitamin K (phylloquinone)
Show answer and explanation

Correct answer: Vitamin B12

Vitamin B12 is essential for DNA synthesis during erythropoiesis. Its deficiency leads to megaloblastic anemia.

Difficulty: Medium Question 18 of 20

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