This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2018, Subject name: Anaesthesia
Post operative shivering is treated with 
Select and explain. 
A. Diazepam, B. Antihistaminics, C. Anticholinergics, D. Pethidine
D: Pethidine
Answer: D: Pethidine 
Explanation: Shivering is the response of the body because of Hypothermia(32-35oC) Can happen in Intra operative patient with Normothermia, because their Thermoregulation is disturbed because of Anesthesia (GA/Local) According to ASA guideline in the management of Shivering Non pharmacological - Active warming of the patient Pharmacological- Pethidine (meperidine), Best drug for managing shivering - Tramadol Other drugs used for shivering- Ondansetron- Ketamine- Clonidine & dexmedetomidine- Anticholinergic drugs