傳出神經系統藥理 Flashcards

1
Q

在囊泡內合成NA的前身物質是

A

多巴胺

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2
Q

某受體被激動後,引起支氣管平滑肌鬆弛,此受體為

A

B2受體

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3
Q

去甲腎上腺素減慢心率的機制是

A

外周阻力升高致間接刺激壓力感受器

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4
Q

多巴胺B-羥化酶主要存在於

A

去甲腎上腺素能神經末梢囊泡內

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5
Q

關於Nm受體結構和耦聯的敍述

A

屬配體門控通道型受體

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6
Q

多數交感神經節後纖維釋放的遞質是

A

去甲腎上腺素

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7
Q

阻斷植物神經節上的煙鹼受體後,可能會產生的效應是

A

血壓下降

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8
Q

突觸間隙NA主要何種方式消除

A

被神經末梢再攝取

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9
Q

胆碱能神经不包括

A

绝大部分交感神经节后纤维

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10
Q

乙酰胆碱作用的主要消除方式是

A

被胆碱酯酶破坏

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11
Q

去甲肾上腺素作用的主要消除方式是

A

被神经末梢再摄取

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12
Q

外周胆碱能神经合成与释放的递质是:

A

乙酰胆碱

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13
Q

合成多巴胺和去甲肾上腺素的始初原料是:

A

酪氨酸

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14
Q

去甲肾上腺素释放至突触间隙,其作用消失主要原因是

A

神经末梢再摄取

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15
Q

自主神经节兴奋

A

N1受体兴奋

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16
Q

内脏平滑肌兴奋

A

M受体兴奋

17
Q

支气管平滑肌兴奋:

A

β2受体兴奋

18
Q

心肌兴奋:

A

β1受体兴奋

19
Q

瞳孔开大肌收缩

A

α1受体兴奋

20
Q

胆碱能神经兴奋可引起:

A
A. 心肌收缩力减弱
B. 骨骼肌收缩
C. 支气管胃肠道平滑肌收缩
D. 腺体分泌增多
E. 瞳孔括约肌收缩(缩瞳)
21
Q

去甲肾上腺素能神经兴奋可引起

A
A. 心肌收缩力增强
B. 支气管平滑肌松弛
C. 皮肤粘膜血管收缩
D. 脂肪、糖原分解
E. 瞳孔扩大肌收缩(扩瞳)
22
Q

传出神经系统药物的拟似递质效应可通过

A
A. 直接激动受体产生效应
B. 阻断突触前膜α2受体
C. 促进递质的合成
D. 促进递质的释放
E. 抑制递质代谢酶
23
Q

M样作用包括

A

A. 血管扩张
C. 胃肠平滑肌收缩
D. 腺体分泌增加

24
Q

递质去甲肾上腺素消除的方式有:

A

A. 神经末梢摄取
B. 单胺氧化酶破坏
C. 非神经摄取
D. 儿茶酚氧位甲基转移酶破坏

25
Q

β2受体兴奋可引起的效应是

A

A骨骼肌血管扩张
B胃肠道平滑肌松弛
C支气管平滑肌松弛
D冠状动脉舒张