(来学网)吸气性呼吸困难严重者可出现三凹征,三凹征是指
  • A.
    (来学网)胸骨上窝、锁骨上窝和肋间隙在吸气时明显下陷
  • B.
    (来学网)胸骨上窝、锁骨上窝和肋间隙在呼气时明显下陷
  • C.
    (来学网)胸骨上窝、锁骨下窝和肋间隙在吸气时明显下陷
  • D.
    (来学网)胸骨下窝、锁骨上窝和肋间隙在吸气时明显下陷
  • E.
    (来学网)胸骨上窝、锁骨下窝和肋间隙在呼气时明显下陷
正确答案:
A