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: Physiology
Intubation induced laryngeal spasm can not be prevented by 
Select and explain. 
A. Local anaesthesia spray, B. Fentanyl, C. Diltiazem, D. Promethazine
D: Promethazine
Answer: D: Promethazine 
Explanation: Promethazine can increase the chances of reflex disturbances.