盐酸肾上腺素适用于心脏骤停患者,主要因为其具有()A.β肾上腺素能受体激动剂的特性

题型:单项选择题

问题:

盐酸肾上腺素适用于心脏骤停患者,主要因为其具有()

A.β肾上腺素能受体激动剂的特性

B.兴奋多巴胺受体1

C.α肾上腺素能受体激动剂的特性

D.兴奋多巴胺受体2

E.M受体作用

考点:急诊医学(医学高级)心肺脑复苏心肺脑复苏题库
题型:单项选择题

短文改错/Proofreading and error correction

It was the chance of a lifetime to win the first prize on the Story Writing Show. All I had to do was to write a story or present it. My teachers have been telling me how great my writing was. So if they had said was true, I would have a chance of winning the prize. What were better, I had useful help. There was Uncle Chen, gentleman living near my house, who was a very much famous writer. He agreed to reading my story and give me some advices on how to write like a real writer.

1()

题型:单项选择题

X、Y、Z在同一短周期,X、Y、Z分别易形成X-、Y+、Z2+离子,它们半径之间存在的关系是[ ]

A.X>Y>Z

B.Y+>Z2+>X-

C.Y+>X->Z2+

D.X->Y+>Z2+

题型:单项选择题

铅中毒实验,选用大鼠复制动物模型时,大鼠本身易患进行性肾病,容易与铅中毒所致的肾病相混淆,选用蒙古沙鼠则较好,因为蒙古沙鼠只有铅中毒才会使其出现肾病变。此符合()模型评估原则。

A、重复性

B、相似性

C、可靠性

D、可控性

题型:单项选择题

患儿8岁,前牙深覆抬,第一恒磨牙萌出2/3,该阶段预防及治疗的重点应该是

A.第一乳磨牙

B.第二乳磨牙

C.尖牙

D.第一恒磨牙

E.上颌切牙

题型:单项选择题

完整的汽车销售流程由几个主要环节组成?

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