下载APP
举一反三
【单选题】People who do sleep research tell us that a person is a sort of "information processor." We have two ways to use the information we get each day. The first process is used when we are awake. It takes...
A.
people are likely to sleepwalk
B.
people become mentally active
C.
people often wake up
D.
people might do odd things
【单选题】子宫收缩力异常指的是
A.
节律性、极性、强度均不正常
B.
节律性、对称性正常但失去正常强度
C.
对称性、极性正常，节律性异常
D.
节律性正常，对称性和极性异常
E.
节律性、对称性、极性及宫缩的频率和强度均异常
【单选题】治疗量强心苷增强心肌收缩力的原因是( )
A.
兴奋心肌细胞膜的ß 1受体
B.
增加心肌细胞内游离的Ca2+浓度
C.
增加心肌细胞内游离的K+浓度
D.
兴奋心肌细胞膜上的腺苷酸环化酶
E.
阻断M受体，解除迷走神经对心脏的抑制