This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: C.V.S, Subject name: Pharmacology
Nitroglycerine causes all except: 
Select and explain. 
A. Hypotension and bradycardia, B. Methemoglobinemia, C. Hypotension and tachycardia, D. Vasodilation
A: Hypotension and bradycardia
Answer: A: Hypotension and bradycardia 
Explanation: Ans. (A) Hypotension and bradycardia(Ref: Katzung 11/e p265; KDT 8th/e p587)Nitrates are most commonly used antianginal drugs. These act by delivering nitric oxide in the blood vessels leading to vasodilation. Resulting hypotension lead to reflex tachycardia. It can cause methemoglobinemia as an adverse effect.