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: Pharmacology
Which of the following is directly acting skeletal muscle relaxant - 
Select and explain. 
A. Dantrolene, B. Suxamethonium, C. Pancuronium, D. Atracurium
A: Dantrolene
Answer: A: Dantrolene 
Explanation: Ans. is 'a' i.e., Dantrolene Dantrolene is a directly acting skeletal muscle relaxant.