常用混凝剂是() ["CaCl2","Ca(OH)2","Ca(OCl)Cl","Al2(SO4)3","Al(OH)3"]
肾小球呈现线形免疫荧光的肾小球肾炎可能是() ["弥漫性膜性肾小球肾炎","弥漫性膜性增生性肾小球肾炎","弥漫性新月体性肾小球肾炎","弥漫性系膜增生性肾小球肾炎","弥漫性毛细血管内增生性肾小球肾炎"]
婴幼儿流脑临床表现常不典型,见于() ["有咳嗽等呼吸道症状","拒食,呕吐,腹泻等消化道症状","烦躁不安,尖叫,惊厥","囟门隆起,脑膜刺激征可不明显","囟门隆起,脑膜刺激征明显"]
几个学生周末结伴外出旅游,中午在野外进食随身携带的火腿肠、面包、罐头等食物。次日,所有学生相继出现全身乏力、软弱、头晕、恶心、腹胀、视物模糊、声嘶等表现,无发热、腹泻,神志清楚。应立即采取何种治疗措施()。 ["A.尽早给予多价抗毒血清","B.尽早给予抗生素","C.使用酸性溶液洗胃","D.对症治疗","E.清洁灌肠"]
牙周检查时利用牙周探针来进行牙周探诊。牙周探诊时,探诊压力应掌握在() ["A.小于10g","10~15g","20~25g","30g左右","30~50g"]
肠外营养的适应证是什么?应用于外科哪些情况?