第24章--治疗充血性心力衰竭的药物 Flashcards

1
Q

强心苷加强心肌收缩力是通过:

A

直接作用于心肌

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

强心苷主要用于治疗:

A

充血性心力衰竭

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

强心苷治疗心衰的重要药理学基础是:

A

增加衰竭心脏心输出量的同时不增加心肌耗氧量

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

洋地黄中毒出现室性心动过速时应选用:

A

苯妥英钠

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

使用强心苷引起心脏中毒最早期的症状是:

A

室性早搏

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

使用强心苷引起心脏房室传导阻滞时,除停用强心苷及排钾药外,应给予:

A

阿托品或异丙肾上腺素

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

强心苷最大的缺点是

A

安全范围小

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

强心苷轻度中毒可给:

A

氯化钾

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

经肝代谢最多的是

A

洋地黄毒苷

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

血浆半衰期最长的是

A

洋地黄毒苷

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

与血浆蛋白结合率最高的是

A

洋地黄毒苷

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

扩张动脉而治疗心衰的药物是

A

肼屈嗪

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

阻滞钙离子通道而治疗心衰的药物是

A

地尔硫卓

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

扩张静脉而治疗心衰的药物是

A

硝酸甘油

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

通过抗α1受体而治疗心衰的药物是

A

哌唑嗪

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

强心苷减漫心率后对心脏的有利点是:

A
A. 心排血量增多
B. 回心血量增加
C. 冠状动脉血流量增多
D. 使心肌有较好的休息
E. 心肌缺氧改善
17
Q

强心苷对哪些原因引起的心衰疗效较好:

A

A. 轻度二尖瓣狭窄
B. 高血压
C. 先天性心脏病
D. 动脉硬化

18
Q

强心苷治疗心衰的药理学基础有:

A
A. 使已扩大的心室容积缩小
B. 增加心肌收缩力
C. 增加心室工作效率
D. 降低心率
E. 降低室壁张力
19
Q

强心苷的不良反应有

A

A. 胃肠道反应
C. 色视障碍
D. 心脏毒性

20
Q

强心苷增加心衰患者心输出量的作用是由于

A

A. 加强心肌收缩性

D. 降低外周血管阻力

21
Q

强心苷中毒先兆症状:

A

A. 一定次数的早搏
B. 窦性心律低于60次/min
C. 色视障碍

22
Q

影响心功能的几种生理因素是:

A
A. 收缩性       
B. 心率
C. 前负荷    
D. 后负荷
E. 氧耗量