Pharmacology第 57 / 100 题
Nitroglycerin given sublingually for chest pain works by:
a.Raising blood pressure quickly
b.Thickening the blood
c.Relaxing and widening blood vessels to improve blood flow to the heart
d.Increasing the heart rate to dangerous levels
解析
Nitroglycerin is a vasodilator that relaxes blood vessels, improving oxygen supply to the heart and relieving angina. It can lower blood pressure and cause headache, so the resident should be seated and monitored.
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