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
Agent causing malignant h erthermia – 
Select and explain. 
A. Succinyl choline, B. Dantrolene, C. Gallamine, D. Ketamine
A: Succinyl choline
Answer: A: Succinyl choline 
Explanation: None