A nurse is caring for a client who is newly admitted and has angina. The client asks the nurse, "Why am I taking nitroglycerin?" Which of the following responses should the nurse make?

A. Nitroglycerin is a vasodilator that dilates coronary arteries, improving blood flow and oxygen delivery to the myocardium, thereby relieving angina. B. Nitroglycerin does not have bronchodilator properties; this describes medications like albuterol. C. Nitroglycerin does not prevent nausea or vomiting. D. Nitroglycerin does not dissolve blood clots; thrombolytic agents are required for clot dissolution.