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【判断题】
应用程序对数据库进行数据查询必须要求:用户与数据库在同一计算机上;且被查询的数据存储同一个数据库中。
A.
正确
B.
错误
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【判断题】出借或出租包装物的摊销价值均应作为“销售费用”处理。
A.
正确
B.
错误
【单选题】Both phentolamine and phenoxybenzamine
A.
are inactive by the oral route
B.
block both α and β receptors
C.
cause hypertension
D.
cause tachycardia
E.
induce vasospasm in large doses
【单选题】Phentolamine often causes an increase in heart rate and in the force of contraction by which of the following mechanisms:
A.
Directly stimulating cardiac ß 1 receptors
B.
Antagonizing the vagal transmitter
C.
Releasing histamine from mast cells, which stimulates the heart
D.
Blocking peripheral vasoconstriction, which produces reflex stimulation of the heart
【单选题】Both phentolamine and prazosin
A.
Are competitive antagonists at α1-adrenergic receptors
B.
Have potent direct vasodilator actions on vascular smooth muscle
C.
Enhance gastric acid secretion through a histamine-like effect
D.
Cause hypotension and bradycardia
E.
Are used chronically for the treatment of primary hypotension
【单选题】Phentolamine 使血管扩张的原因是:
A.
阻断α受体
B.
阻断α受体和直接扩张血管
C.
阻断β受体
D.
阻断β受体和直接扩张血管
【多选题】《古画品录》中有“古画六法”,下列属于六法之一的是()
A.
意境生动
B.
骨法用笔
C.
随类赋彩
D.
经营位置
E.
应物象形
【判断题】135全自动傻瓜照相机属于平视旁轴取景照相机。
A.
正确
B.
错误
【单选题】电弧电压增大后,弧柱直径( ),会使熔宽( )。
A.
增加、增加
B.
增加、减小
C.
减小、增加
D.
减小、减小
【判断题】The β receptor can be blocked by Phentolamine.
A.
正确
B.
错误
【单选题】Phentolamine(酚妥拉明) belongs to
A.
α receptor antagonist
B.
α receptor agonist
C.
β receptor antagonist
D.
β receptor agonist
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