This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Muscle relaxants, Subject name: Anaesthesia
Cis atracurium is preferred over atracurium due to advantage of 
Select and explain. 
A. Rapid onset, B. Sho duration of action, C. No histamine release, D. Less cardiodepressant
C: No histamine release
Answer: C: No histamine release 
Explanation: Cisatracurium is preferred over atracurium as it does not release histamine. Onset of action is same for both atracurium and cisatracurium. Cis-atracurium has longer duration of action.