单选题:强心苷治疗心房颤动的主要机制是 题目分类:临床执业医师 题目类型:单选题 查看权限:VIP 题目内容: 强心苷治疗心房颤动的主要机制是 A.缩短心房有效不应期 B.延长心房有效不应期 C.降低窦房结自律性 D.降低心房异位节律点自律性 E.减慢房室传导 参考答案: 答案解析:
What is the author's tone toward the Northern Lights? What is the author's tone toward the Northern Lights?A.Indifferent. B.Sarcastic. 分类:临床执业医师 题型:单选题 查看答案
When a large star explodes, the gravity compacts ever piece When a large star explodes, the gravity compacts ever piece into __________A.the 分类:临床执业医师 题型:单选题 查看答案
The team was funded by several research institutes. The team was funded by several research institutes.A.Right B.Wrong C.Not mention 分类:临床执业医师 题型:单选题 查看答案
The symptoms of the disease manifested themselves ten days l The symptoms of the disease manifested themselves ten days later.A.eased B.impro 分类:临床执业医师 题型:单选题 查看答案