胸膜腔少量游离积液,在透视下可见__________________________,这种表现可与___________区别。
正常情况下皮肤表面的pH为() ["A.4.0~5.5","B.5.5~7.O","C.7.O~8.5","D.8.5~9.0"]
眼睑分为哪几层() ["A.皮肤","B.皮下组织层","C.肌层","D.睑板层","E.结膜层"]
检查粪便隐血试验化学法。除愈创木酯法外,前3天不必禁食() ["A.动物血","B.肉食","C.猪肝","D.含叶绿素食物","E.果酱"]
皮肤对电损伤的隔绝作用主要由以下哪种结构完成() ["A.角质层","B.棘层","C.基底膜带","D.皮下组织"]
两肺多发钙化除肺结核外,还可见于_______、_____________、_______________和________________。