心肌快反应细胞第三期复极主要与下列哪种离子外流有关:() A.Na+ B.K+ C.

题型:单项选择题 A型题

问题:

心肌快反应细胞第三期复极主要与下列哪种离子外流有关:()

A.Na+

B.K+

C.Ca2+

D.Cl-

E.Mg2+

考点:药理学药理学题库
题型:单项选择题 A型题

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小题1:A. that                   B. what       C. which

小题2:A. Impossibly.    B. impolitely.    C. specifically.

小题3:A. awful          B. useful         C. careful.

小题4:A. save          B.waste.          C.lend.

小题5:A. pictures.       B. stores.       C. prices.

小题6:A.sounds .         B. looks.         C. feels.

题型:单项选择题 A型题

动脉硬化可分为()硬化,()硬化以及()硬化三种。

题型:单项选择题 A型题

目前,我国安全生产监督管理体制是综合监管与行业监管相结合、( )、政府监督与其他监督相结合。

A.国家监察与地方监管相结合
B.群众监督与专业机构监督相结合
C.新闻媒体监督与社会监督相结合
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题型:单项选择题 A型题

患者男性,33岁,血尿伴尿痛5年,患者无明显诱因下出现解小便有肉眼血尿,伴尿痛,有尿频、尿急、尿痛,有尿失蔡,夜尿次数增多。无恶心、呕吐、发热。查体:双肾无叩击痛,左侧脊肋点压痛(-),右侧脊肋点压痛(+)

本病的影像学诊断主要依赖于()

A.B超

B.MRI

C.尿路造影

D.血管造影

E.CT

题型:单项选择题 A型题

风管采用黑铁皮制作时,若采用气焊连接,其黑铁皮的厚度应为()

A、小于0.5mm

B、小于0.7mm

C、0.8-3mm

D、大于3mm

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