类似补体MAC作用的CTL效应机制是() ["释放穿孔素","分泌TNF-α","FasL-Fas途径","释放颗粒酶","分泌TNF-β"]
舌后1/3的味觉减退提示有损害的神经是() ["A.迷走神经","B.面神经","C.舌咽神经","D.副神经","E.三叉神经"]
四边孔是由()。 ["大圆肌、背阔肌、小圆肌、肱骨外科颈组成","大圆肌、小圆肌、肩胛下肌、肱三头肌长头组成","大圆肌、肱三头肌外侧头、肱骨外科颈、肩胛下肌围成","小圆肌、大圆肌、肱三头肌长头、肱骨外科颈组成","肱骨外科颈、小圆肌、肱三头肌外侧头、肩胛下肌围成"]
使用利多卡因行局部浸润麻醉,其单次最大剂量是()。 ["200mg","300mg","400mg","500mg","600mg"]
MHC分子参与下列哪种细胞的分化过程() ["造血干细胞分化为淋巴干细胞","淋巴干细胞分化为原T淋巴细胞","前T淋巴细胞分化为成熟T淋巴细胞","成熟T淋巴细胞分化为记忆T淋巴细胞","淋巴干细胞分化为原B淋巴细胞"]
《传染病防治法》规定的甲类传染病有《母婴保健法》所指的指定传染病有