【单选题】【消耗次数:1】
类白血病的确切病因至今未明。许多因素被认为和白血病发生有关。病毒可能是主要因素,此外尚有电离辐射、化学毒物或药物、遗传因素等。( )
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相关题目
【单选题】 不符合白血病的描述是
①  急性白血病起病急
②  急性白血病可转变为慢性白血病
③  急性白血病骨髓中原始细胞超过30%
④  慢性白血病可发生急变
【单选题】 小儿白血病最常见的类型是( )
①  急性淋巴细胞白血病
②  急性巨核细胞白血病
③  急性单核细胞白血病
④  急性早幼粒细胞白血病
【单选题】 何种白血病时脾脏肿大最显著
①  急性粒细胞性白血病
②  慢性粒细胞性白血病
③  急性淋巴细胞性白血病
④  慢性淋巴细胞性白血病
【单选题】 导致白血病感染的主要原因是
①  贫血致抵抗力低
②  白血病细胞浸润
③  选用抗生素不当
④  成熟粒细胞缺如
【单选题】 慢性粒细胞白血病的首选药物是
①  白消安
②  干扰素
③  环磷酰胺
④  羟基脲
⑤  苯丁酸氮芥
【单选题】 急慢性白血病鉴别主要依靠
①  肝脾淋巴结肿大
②  发病急缓,病程长短
③  骨髓增生程度粒红比值
④  骨髓原始细胞的多少
⑤  血常规中白细胞计数不同
【单选题】 急性单核细胞白血病
①  NAP强阳性
②  t(9:22)(q34:q11)
③  非特异性酯酶阳性,能被NaF抑制
④  过氧化物酶阳性
⑤  PAX(+)
【单选题】 急性白血病诊断的主要依据是( )
①  发热、贫血、出血
②  白细胞计数>50×10<sup> 9</sup> /L
③  骨髓增生极度活跃
④  胸骨压痛(+)
⑤  骨髓中原始细胞明显增高
【判断题】 急性白血病骨髓增生低下。
①  正确
②  错误
【单选题】 白血病的牙龈病损的主要病理表现是()
①  牙龈中充满大量幼稚白细胞
②  牙龈中有大量毛细血管增生
③  牙龈中有大量胶原纤维增生
④  牙龈上皮增生
⑤  以上都是
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