30. 吗啡的镇痛作用机制是由于 -题库考试答案搜索网

30. 吗啡的镇痛作用机制是由于

单选题

2021-09-01 16:59

A、降低外周神经末梢对疼痛的感受性
B、抑制中枢阿片受体
C、抑制大脑边缘系统
D、激动中枢阿片受体
E、抑制中枢前列腺素的合成

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正确答案

D

试题解析

标签：青书学堂平顶山学院临床医学药理学

感兴趣题目

OR指令的作用是: 。( )

（）shall be liable for loss of and damage to the Vessel and／or goods arising or resulting from inaccuracies in stating the description，quantity，weight，measurement or contents.

Every deliberate act of wrongdoing by the master or any of the crew against the ship or cargo，without the authorization or privity of the Shipowner or his agent，is（）.

（）, or drum is used for hauling in or letting out the wires or ropes which will fasten the ship to the shore.

A salvor may be（）the whole or part of the payment due under Salvage Convention to the extent that the salvage operations have become necessary or more difficult because of fault or neglect on his part or if the salvor has been guilty of fraud or other dishonest conduct.

The （） is used for hauling in or letting out the wires or ropes.

Vessels must be（）valid certificate of nationality or certificated of registry or license.

When loading or discharging dry mud or cement，crew members should use goggles and（）.

Effects which are dutiable or subject to prohibitions or restrictions should be declared in （）.

（）are liable to be stoten, pilfered or may damaged due to improper handing or stowage.

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

逻辑运算符（AND、NOT、OR）的运算顺序是AND→OR→NOT。

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