佝偻病是哪种维生素缺乏的表现() ["维生素A","维生素D","维生素E","维生素C","维生素K"]
关于肾囊肿的声像特点,下列哪项是错误的()。 ["肾实质内边界清晰规则的无回声区,后壁回声增强","肾盂源型肾囊肿可见与肾集合管区互相连通的无回声区","肾窦区等号状无回声区","肾实质无回声区内可见强回声光斑,伴声影"]
男性,60岁,近2个月来时有头痛,并有2次发作性左手抽搐,每次2~5min停止,有高血压病史多年,体检均正常。最适宜控制发作的药物是() ["A.苯妥英钠","乙琥胺","地西泮","水合氯醛","扑米酮"]
苯主要以下列哪条途径进入人体() ["经皮肤","经消化道","以蒸气的形式经呼吸道","主要经皮肤和呼吸道","经呼吸道和消化道"]
应用口服石蜡油治疗便秘时,下列哪项是不正确的() ["适用于老年排便动力减弱病人","长期服用会影响胡萝卜素及维生素A、D吸收","不太适于肛门括约肌松弛的病人","可减少水分吸收","适用于进食少渣饮食者"]
何谓扭转痉挛?