心肌不产生完全强直收缩是由于A.心肌是功能合胞体 B.兴奋传导有房室延搁 C.窦房结 发布时间:2017-03-14 13:01 │ 来源:www.tikuol.com 题型:单项选择题 问题: 心肌不产生完全强直收缩是由于A.心肌是功能合胞体B.兴奋传导有房室延搁C.窦房结对潜在起搏点有抑制作用D.有效不应期特别长E.收缩期较短
题型:单项选择题 — Surprise! I can't believe the boss wants to ______ with him. And I saw by myself the boss______ with him warmly. — Tell you what. Just because the young man has ______. [ ]A. make a friend; shook hands; no brainsB. make friend; shook his hand; brains C. make friends; shook hands; a good brain D. make friends; shook his hand; a brain 查看答案
题型:单项选择题 男性患者,45岁,因单侧面颊部发作性针刺样疼痛2年余就诊。疼痛持续数秒钟至2分钟不等。检查该患者时应特别注意()A.面颊部有无触发点B.面肌反射性抽搐C.有无面色憔悴、情绪低落D.面部疼痛觉及角膜反射是否正常E.面部、口腔卫生是否正常 查看答案
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