[国开形考作业] 黄体酮可用于 日期:2021-12-03 09:16:47 点击:121 好评:0
(单选题)2: 黄体酮可用于 A: 先兆流产 B: 绝经期前乳腺癌 C: 卵巢功能不全和闭经 D: 骨髓造血功能低下 E: 肾上腺皮质功能减退 ...
[国开形考作业] 蛙心灌流实验中,在灌流液中加入1-2滴1:100,000乙酰胆碱,心脏 日期:2021-12-03 09:15:42 点击:68 好评:0
(单选题)26: 蛙心灌流实验中,在灌流液中加入1-2滴1:100,000乙酰胆碱,心脏活动变化为 A: 心肌收缩力增强 B: 心肌收缩力下降 C: 心肌收缩曲线幅值增大 D: 心肌传导不受影响 ...
[国开形考作业] 下列关于微音器电位的叙述哪项是错误的 日期:2021-12-03 09:14:40 点击:129 好评:0
(单选题)20: 下列关于微音器电位的叙述哪项是错误的 A: 在耳蜗及附近记录到的电变化 B: 其频率和幅度与声波振动一致 C: 潜伏期极短,无不应期 D: 对缺氧和深度麻醉敏感 E: 听神经纤维变性时仍能出现 ...
[国开形考作业] 下列哪项可引起心率减少? 日期:2021-12-03 09:13:42 点击:60 好评:0
(单选题)14: 下列哪项可引起心率减少? A: 交感活动增强 B: 迷走活动增强 C: 肾上腺素 D: 甲状腺激素 ...
[国开形考作业] 动脉血PO2降低引起呼吸兴奋是通过 日期:2021-12-03 09:12:36 点击:168 好评:0
(单选题)8: 动脉血PO2降低引起呼吸兴奋是通过 A: 颈动脉窦和主动脉弓压力感受性反射 B: 颈动脉体和主动脉体化学感受性反射 C: 肺牵张反射 D: 呼吸肌本体感受性反射 ...
[国开形考作业] 下列哪个时相细胞的兴奋性为零 日期:2021-12-03 09:11:36 点击:121 好评:0
(单选题)2: 下列哪个时相细胞的兴奋性为零 A: 静息期 B: 绝对不应期 C: 相对不应期 D: 超常期 E: 低常期 ...
[国开形考作业] At noon all the big icicles along the eaves of the little ho 日期:2021-12-02 16:25:31 点击:158 好评:0
25:At noon all the big icicles along the eaves of the little house (quivered) and sparkled in the sunshine, and drops of water hung trembling at their tips A:shone B:worked C:weakened D:trembled ...
[国开形考作业] I guessed he knew I was lying and was so (disappointed) he c 日期:2021-12-02 16:24:57 点击:169 好评:0
19:I guessed he knew I was lying and was so (disappointed) he couldn’t talk about it. A:interested B:satisfied C:displeased D:angered ...
[国开形考作业] Air is very ____ to us. Without it we would die. 日期:2021-12-02 16:24:18 点击:92 好评:0
13:Air is very ____ to us. Without it we would die. A:happy B:useless C:safe D:necessary ...
[国开形考作业] The city (is concerned with) finance,but it is also a market 日期:2021-12-02 16:23:04 点击:117 好评:0
1:The city (is concerned with) finance,but it is also a market for goods of almost every kind,from all parts of the world. A:has trouble with B:is an important place of C:concerntrates on D:is famous for ...