男性，25岁。胸部外伤后，诉胸痛不适，无明显呼吸困难，胸片示左肺压缩50％。诊断首先考虑（） ["多根多处肋骨骨折","闭合性气胸","开放性气胸","张力性气胸","进行性血胸"]
夜间咳嗽明显的疾病是（） ["慢性支气管炎","支气管扩张","肺癌","肺脓肿","二尖瓣狭窄"]
目前骨质疏松症早期诊断最方便、最确切的方法是（）。 ["普通X线摄片法","单能或双能的骨密度测定仪","定量CT","骨活检","血骨钙素"]
女性，30岁。胸部外伤后12小时，休克症状加重，右侧胸腔穿刺抽出血液很快凝固。诊断首先考虑（） ["多根多处肋骨骨折","闭合性气胸","开放性气胸","张力性气胸","进行性血胸"]
绝经期妇女因雌激素减少所致的骨质疏松症属于（）。 ["原发性骨质疏松","继发性骨质疏松","类固醇药物性骨质疏松","特发性骨质疏松","生理性骨质疏松"]
汽动给水泵汽化原因？
