This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pharmacology
Histamine release is one of the common features with administration of 
Select and explain. 
A. Atracurium, B. Adrenaline, C. Thiopentone, D. Ketamine
A: Atracurium
Answer: A: Atracurium 
Explanation: histamine is released by atracurium , all skeletal musle relaxants release histamine other drugs releasing histamine are morphine,vancomycin etc. Ref: kd tRipathi 8th ed.