This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pathology
Megaloblastic anemia is/are not caused by ? 
Select and explain. 
A. Vitamin B12 deficiency, B. Folic acid deficiency, C. Sodium valproate, D. All
C: Sodium valproate
Answer: C: Sodium valproate 
Explanation: Ans. is 'c' i.e., Sodium valproate Vitamin B12 deficiency, folic acid deficiency and alcohol cause megaloblastic anemia. o Amongst anticonvulsants, phenytoin and phenobarbitone cause megaloblastic anemia (not sodium valproate) o Aplastic anemia does not cause megaloblastic anemia.