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[问答题,简答题] 免维护声波吹灰器的特点?

恶性肿瘤钙化的特点为() ["钙化比较分散","钙化的密度比较一致","钙化的边界清楚","钙化一般位于肿块内","钙化形态比较规则"] 患者,男性,40岁,右上腹胀痛2个月,肝肋下3cm,脾肋下2cm,移动浊音阳性,HB-sAg阳性,B超检查见肝右叶有一直径5cm占位病变。最合适的实验室检查() ["A.AFP","γ-GT","血培养","包虫囊液皮试","血清胆红素测定"] 乳腺脂肪层所形成的透亮带厚度为() ["0.5~1.5mm","0.5~2.5cm","0.5~1.5cm","0.5~2.5mm","1.5~2.5mm"] 女,25岁,初产妇哺乳期,右乳腺疼痛2天,体温39℃,局部有明显压痛,诊断为急性乳腺炎,在诊断依据分析中,下列哪项是错误的() ["哺乳期局部疼痛","局部有明显压痛","体温高","好发于初产妇","因病人局部皮肤不红,表皮温度较对侧升高不明显,诊断不能肯定"] 煮沸法杀灭带芽胞的细菌,所需要的时间至少为() ["20分钟","30分钟","40分钟","50分钟","60分钟"] 免维护声波吹灰器的特点?
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