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【单选题】
关于血管收缩，正确的是
A.
小血管的收缩主要依靠神经肌肉调节
B.
大血管的收缩可以引起血管闭合
C.
前列环素可以导致血管收缩
D.
是血管参与止血最快速的反应
E.
血管收缩就是一期止血
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参考答案：
参考解析：
刷刷题刷刷变学霸
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