题目内容

女45岁,牙龈起疱半年,颜色灰白,不易破溃。镜下见上皮基底层下疱,基底细胞变性,部分区域上皮全层剥脱,结缔组织表面平滑,胶原纤维水肿,其中有大量淋巴细胞浸润,最可能的病理诊断为

A. 复发性阿弗他溃疡
B. 寻常性天疱疮
C. 良性黏膜类天疱疮
D. 肉芽肿性唇炎
E. 艾滋病的口腔表现

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女,50岁,牙龈红肿,有一1cm大小的疱,颜色灰白,无周缘扩展现象。镜下可见基底层下疱,基底细胞变性,上皮全层剥脱,胶原纤维水肿,有大量淋巴细胞浸润。免疫病理显示,上皮基底膜区域有免疫球蛋白及补体沉积,抗基底膜抗体阳性。病理诊断为

A. 白斑
B. 扁平苔藓
C. 天疱疮
D. 良性黏膜类天疱疮
E. 慢性盘状红斑狼疮

Walking as a form of exercise helps you to ________________.

A. drink more water
B. eat more healthily
C. sleep for longer
D. feel better about yourself

For walking to improve your health, you must _____________.

A. walk for more than half an hour a day
B. do it regularly
C. be in the right mood
D. be enthusiastic about it

When you walk, it's a good idea to _______________.

A. relax
B. keep your hands straight
C. look a long way ahead
D. use a pedometer

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