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: Unknown
Best uterine relaxation is seen with - 
Select and explain. 
A. Chloroform, B. Nitrous oxide, C. Ether, D. Halothane
D: Halothane
Answer: D: Halothane 
Explanation: Ans. 'd' i.e., Halothane o Halogenated inhalational anaesthetic agents like halothane are powerful tocolytic agents. Halothane is anaesthetic of choice for internal version and manual removal of placenta.