This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Central Nervous System, Subject name: Pediatrics
Commonest cause of convulsions in a child with fever is: 
Select and explain. 
A. Febrile convulsions, B. Meningitis, C. Epilepsy, D. Hypothyroidism
A: Febrile convulsions
Answer: A: Febrile convulsions 
Explanation: a. Febrile convulsions(Ref: Nelson's 20/e p 2831-2856, Ghai 8/e p 557-561)Febrile seizures are the most common cause of convulsions in a child with fever.