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
Heart is not sensitized by – 
Select and explain. 
A. Halothane, B. Chloroform, C. Diethyl–ether, D. None
C: Diethyl–ether
Answer: C: Diethyl–ether 
Explanation: Sensitization of heart to adrenaline is caused by Halothane, chloroform, cyclopropane, trilene.