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: Dental
Which	of	the	following	can	result	in	Paradoxical
excitement in children. 
Select and explain. 
A. Morphine, B. Phenobarbitone, C. Nitrous Oxide, D. Amphetamine
B: Phenobarbitone
Answer: B: Phenobarbitone 
Explanation: None