PharmacologyCâu 57 / 100
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
Giải thích
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.
Luyện miễn phí toàn bộ 100 câu hỏi — không cần đăng ký.
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