参考答案
:1.D,2.A,3.B,4.C,5.E
:6.A,7.D,8.B,9.E,10.C
:11.A,12.D
:13.A,14.B,15.E,16.D,17.C
:18.E,19.C,20.A,21.B
:22.B,23.C,24.D,25.A
:26.A,27.D
:28.C,29.B,30.D,31.A
:32.B,33.A,34.C,35.D 解题思路:气管黏膜表面富含感觉神经纤维,当气管插管时由于气管黏膜受到刺激,交感神经兴奋,可产生心率增快,血压升高,颅内压升高等不良反应。β受体广泛存在于心肌和血管上皮,当β受体阻滞后,可使心率减慢、外周血管阻力下降,心排血量下降,血压降低。失血性休克时,由于有效循环血量不足,可表现为血压下降;因为代偿循环血量不足,心率增快。苯肾上腺素为α受体兴奋剂,可使外周血管收缩,由于回心血量增加,可反射性使心率减慢。
:36.D,37.C,38.A,39.B
:40.A,41.B,42.C,43.D
:44.A,45.B,46.E,47.C
:48.C,49.D,50.A