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是非题是答“+”,非答“-”,每题4分,答错倒扣4分。1.最近研究证实,由心房分泌的心钠素(又称心房肽)具有血管紧张素Ⅱ的作用,因此具有滞留水钠和收缩血管的作用。2.四氢唑嗪(terazosin)是属于选择性α_1的受体阻滞剂,是新型的降压药之一。3.按胸导联QRS波的形态,预激可分为A型和B型。A型的预激波和QRS波在各胸导联均向下。B型
True or false is the answer “+”, non-answer “-”, each question 4 points, answer wrong buckle 4 points. 1. Recent studies have confirmed that the atrial secretion of atrial natriuretic peptide (also known as atrial natriuretic peptide) has the role of angiotensin II, and therefore has the retention of sodium and the role of blood vessels. 2. Tetrazocin (terazosin) is a selective α_1 blockers, is one of the new antihypertensive drugs. 3. According to the lead chest QRS wave morphology, pre-excitation can be divided into A-type and B-type. A-type pre-shock and QRS wave in the chest lead are down. B type