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: Anaesthesia
The incidence of unpleasant dreams associated with emergence from ketamine anaesthesia can be reduced by administration of – 
Select and explain. 
A. Atropine, B. Scopolamine, C. Physostigmine, D. Diazepam
D: Diazepam
Answer: D: Diazepam 
Explanation: Ketamine induced hallucination and emergence reactions can be reduced by giving benzodiazepines, along with ketamine. Opioids, barbiturates and inhalational agents can also decrease the incidence of hallucination and emergence reaction.