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: Anaesthesia
Hypehermia is caused by: 
Select and explain. 
A. Anticholinnergics, B. MAO inhibitors, C. Lithium, D. Chlorpromazine
B: MAO inhibitors
Answer: B: MAO inhibitors 
Explanation: B i.e. MAO inhibitor