This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous (Pharmacology), Subject name: Pharmacology
Surya kant is prescribed with first generation antihistaminic. He should be advised to avoid: 
Select and explain. 
A. Driving motor cycle, B. Consuming cheese, C. Physical exercise, D. All of the above
A: Driving motor cycle
Answer: A: Driving motor cycle 
Explanation: Ans. A. Driving motor cycleFirst generation antihistaminic like promethazine, diphenhydramine crosses the blood brain barrier and have higher incidence of sedation. Another property of these drugs is that they show anticholinergic side effects. Due to this patient is asked not to drive any vehicle.