This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
Shivering" is observed in the early pa of postoperative period due to 
Select and explain. 
A. Chloroform, B. Halothane, C. Trichloroethylene, D. Ether
B: Halothane
Answer: B: Halothane 
Explanation: Postoperative shivering (halothane shakes) and hypothermia is maximum with halothane among inhalational anesthetics. It can be used to sta or maintain anaesthesia. One of its benefits is that it does not increase the production of saliva, which can be paicularly useful in those who are difficult to intubate