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关于脂肪变性的描述，正确的是（）

单选题
2021-09-06 08:04
A、磷中毒时，脂肪变性首先累及肝小叶中央的细胞
B、肝淤血时，脂肪变性首先累及肝小叶周边的肝细胞
C、肾远曲小管容易发生脂肪变性
D、严重贫血时，心脏乳头肌可呈虎斑状
E、心肌脂肪变性严重影响心脏功能
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正确答案
D
试题解析
磷中毒时，脂肪变性主要发生于小叶周边区。肝淤血时，脂肪变性则主要发生于小叶中央区。肾近曲小管的上皮细胞可吸收漏出的脂蛋白而导致脂肪变性，而不是远曲小管。心肌脂肪变性时，心功能通常并不受影响。脂肪变性严重贫血时，心内膜下特别是乳头肌处会出现成排的黄色条纹，与正常心肌的暗红色相间排列，犹如虎皮斑纹，称为"虎斑心"，故选D。
标签： 病理技术综合练习 临床病理科住院医师 病理学 病理学技术（师）
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