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[单选题]
三凹征是指()
A.吸气时,胸骨上窝、锁骨上窝和肋间隙明显凹陷
B.呼气时,胸骨上窝、锁骨上窝和肋间隙明显凹陷
C.吸气时,间隙明显凹陷呼吸肌用力收缩而使胸腔
D.呼气时,压力减少呼吸肌用力收缩而使胸腔压力减少
E.查体呼气
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A、吸气时,胸骨上窝、锁骨上窝和肋间隙明显凹陷
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.吸气时,胸骨上窝、锁骨上窝和肋间隙明显凹陷
B.呼气时,胸骨上窝、锁骨上窝和肋间隙明显凹陷
C.吸气时,间隙明显凹陷呼吸肌用力收缩而使胸腔
D.呼气时,压力减少呼吸肌用力收缩而使胸腔压力减少
E.查体呼气
A、吸气时,胸骨上窝、锁骨上窝和肋间隙明显凹陷
A.吸气时胸骨上窝、纵膈、肋间隙出现明显凹陷
B.呼气时胸骨上窝、锁骨上窝、肋间隙出现明显凹陷
C.吸气时胸骨上窝、锁骨上窝、腹部出现明显凹陷
D.吸气时胸骨上窝、锁骨上窝、肋间隙出现明显凹陷
E.吸气时胸骨上窝、大气道、肋间隙出现明显凹陷
A.由于上部气道部分梗阻所致吸气性呼吸困难所致
B.吸气时胸骨上窝、锁骨上窝、肋间隙出现明显凹陷
C.呼气时胸骨上窝、锁骨上窝、肋间隙出现明显凹陷
D.喉水肿患者会出现三凹征
E.白喉患者会出现三凹征
A.胸骨上窝、锁骨上窝、肋间隙在呼吸时明显下陷
B.胸骨上窝、锁骨上窝、肋间隙在呼吸时明显下陷
C.胸骨上窝、锁骨上窝、纵膈在呼吸时明显下陷
D.胸骨上窝、锁骨上窝、纵膈在呼吸时明显下陷
E.胸骨上窝、锁骨下窝、纵膈在吸气时明显下陷