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[问答题,简答题] 血清钾

以下哪种物质是睾丸癌的特异瘤标() ["癌胚抗原(CEA.","乳酸脱氢酶(LDH)","甲胎蛋白(AFP)","端粒酶","β2微球蛋白"] 出血热少尿期应用人工肾透析的目的不包括() ["预防肺水肿","去除尿素氮","降低血容量","纠正电解质紊乱","改善肾脏功能"] 成人淋巴细胞增多是指外周血中淋巴细胞绝对值()。 [">4×109/L",">3.5×109/L",">3×109/L",">2.5×109/L",">2×109/L"] 下列有关骨软骨瘤的病变特点,错误的是() ["是最常见的骨肿瘤","多发生于30岁以后","常发生于股骨、胫骨的干骺端","镜下由纤维层、软骨帽及骨小梁三层结构组成","需与骨帝骨肉瘤鉴别"] 关于Becker型肌营养不良症,下面哪项是错误的() ["发病年龄较DMD晚","病程进展慢,一般可以达25年以上","一般不伴心肌损害和智能障碍","有DMD相类似的近端肌无力、腓肠肌假性肥大","发病率较DMD高"] 血清钾
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