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
Problems associated with nitrous oxide anaesthesia is 
Select and explain. 
A. Behavioral problem, B. Sensitizes the heart to adrenaline, C. Prolonged difficult induction, D. Tachycardia and or arrhythmias
A: Behavioral problem
Answer: A: Behavioral problem 
Explanation: None