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[单选题]
“三凹证”是指()。
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
查看答案
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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