[名词解释] 挫伤

挤压伤 急性腹膜炎可以继发的胸部病变，下列错误的是() ["A．膈肌活动度受限","B．胸膜腔积液","C．支气管扩张","D．肺底炎症","E．肺底小叶不张"] 持续劳累性损伤 肌力 下述胃溃疡征象，哪项提示为恶性() ["A．粘膜纠集","B．狭颈征","C．项圈征","D．腔外龛影","E．局部胃壁僵硬"] 挫伤