Anaemia types and causes · Physiology

Macrocytic anaemia is most commonly caused by deficiency of:

  1. Dietary iron intake
  2. Vitamin B12 or folate
  3. Ascorbic acid (C)
  4. Dietary calcium salts
Show answer and explanation

Correct answer: Vitamin B12 or folate

Deficiency of vitamin B12 or folate impairs DNA synthesis. This leads to enlarged red blood cells.

Difficulty: Medium Question 19 of 20

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