首页
下列关于消化道平滑肌生理特性的叙述，正确的是
精华吧
→
答案
→
慕课
→
未分类
下列关于消化道平滑肌生理特性的叙述，正确的是
A.自律性频率较高且稳定
B.伸展性小
C.收缩缓慢
D.对化学刺激不敏感
正确答案：收缩缓慢
Tag：
生理学
平滑肌
自律性
时间：2021-12-26 20:20:58
上一篇：
A healthy 32-year-old woman undergoes pulmonary exercise stress testing prior to starting a training regimen in preparation for her first marathon.Normally, during moderate aerobic exercise, which of the following occurs?
下一篇：
胃肠平滑肌的节律性收缩频率主要决定于
相关答案
1.
A 5-month-old infant is admitted to the hospital for evaluation because of repeated episodes of sleep apnea.During a ventilatory response test, his ventilation did not increase when PaCO2 was increased, but decreased during hyperoxia.Which of the followin
2.
A 76-year-old patient with emphysema presents for his annual pulmonary function testing to assess the progression of his disease.As a result of alveolar septal departitioning in emphysema, there is a decrease in which of the following?
3.
A 36-year-old woman is found comatose at her home and is life-flighted to the nearest regional medical center.Blood gases reveal a normal PaO2 but a lower-thannormal arterial O2 saturation.Which of the following conditions is most consistent with the find
4.
A medical student waiting for her first patient interview at the clinical skills center becomes very anxious and increases her rate of alveolar ventilation.If her rate of CO2 production remains constant, which of the following will decrease?
5.
自然呼吸情况下，PCO2升高对呼吸的刺激作用增强，其原因是
6.
动物实验中，切断家兔双侧颈部迷走神经后，呼吸的改变是
7.
下列哪种因素将导致静脉血PO2降低
8.
在下列哪个平面横断脑干后仍能保持正常的呼吸节律
9.
血中二氧化碳分压升高使呼吸运动增强，其主要刺激是
10.
下列关于肺牵张反射的叙述，正确的是
热门答案
1.
调节呼吸运动的基本中枢位于
2.
外周化学感受器感受的适宜刺激是下列哪种因素的变化
3.
中枢化学感受器的特点是
4.
高原地区，若血红蛋白氧饱和度达到90%以上，需要PO2大于
5.
引起氧解离曲线右移的因素是
6.
Hb的构型由R型变为T型时
7.
通气量为7500ml/min，呼吸频率为20次/分，无效腔为125ml，每分心输出量为5L，则通气/血流比值应是
8.
肺部气体扩散的动力和决定气体扩散方向的关键因素是
9.
下列关于通气/血流比值的描述，错误的是
10.
能较好评价肺通气功能的指标是