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
Not true about nitroglycerine is that - 
Select and explain. 
A. Causes AV conduction delay, B. Causes tolerance, C. Caused reflex tachycardia, D. Caused hypotension
A: Causes AV conduction delay
Answer: A: Causes AV conduction delay 
Explanation: Ans. is 'a' i.e., Causes AV conduction delay Nitroglycerine and other nitrates have no effect on A-V conduction.About other optionso Tolerance can develop if nitrates are continuously present in the body.o Nitrates can cause reflex tachycardia and hypotension.