This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
Nitroglycerin cause all except 
Select and explain. 
A. Hypotention and bradycardia, B. Methamoglobinemia, C. Hypotention and tachycardia, D. Vasodilatation
A: Hypotention and bradycardia
Answer: A: Hypotention and bradycardia 
Explanation: Refer katzung 11e p 265 KDT 6/e p524 Nitrates most commonly used antianginal drugs. These act by decreasing delivery of nitric oxide in the blood vessels leading to vasodilatation.