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

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

考点:广西临床住院医师规范化培训生理学生理学题库
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 brains

B. make friend; shook his hand; brains

C. make friends; shook hands; a good brain

D. make friends; shook his hand; a brain

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

题型:单项选择题

对下列加点字从用法上分类正确的是(   )

①云青青兮欲雨   ②忧劳可以兴国    ③而刀刃者无厚   ④不耻下问   ⑤吾妻死之年所手植也   ⑥后人哀之而不鉴之   ⑦至于颠覆,理固宜然  ⑧项王乃复引兵而东   ⑨栗深林兮惊层颠   ⑩六王毕,四海一

A.①/②⑨/③④/⑥/⑤⑦⑧/⑩

B.①⑧/②⑨/③/④⑥/⑤⑦/⑩

C.①⑦⑧/②/③/④⑥⑨/⑤/⑩

D.①⑧/④⑨/③/②⑥/⑤⑦/⑩

题型:单项选择题

一般条件下,下列哪类冠桩固位最好

A.铸造冠柱

B.光滑柱形

C.槽柱形

D.螺纹状

E.弯制桩

题型:单项选择题

易燃易爆化学物品储存、经营场所不准设置移动式照明灯具。

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