Megaloblastic anaemia is caused by_________________?
Correct answer: C. Fish tapeworm
- A. Dog tapeworm
- B. Hookworm
- C. Fish tapeworm
- D. Threadworm
Explanation
The fish tapeworm, classically Diphyllobothrium latum, can cause vitamin B12 deficiency by competing for intestinal B12 and thereby produce megaloblastic anaemia. Hookworm instead causes iron-deficiency anaemia through chronic blood loss.
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