【单选题】【消耗次数:1】
艾滋病时,HIV主要侵犯下列哪种细胞
CD4+T细胞
CD8+T细咆
B淋巴细胞
中性粒细胞
巨噬细胞
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相关题目
【单选题】 CD8+T细胞杀伤靶细胞
①  要识别MHCⅠ类分子上的肽类
②  需要替代途径活化补体
③  要识别MHC Ⅱ类分子上的肽类
④  通过Fc受体与包被了抗体的靶细胞结合
⑤  一个CD8+T细胞只杀伤一个靶细胞
【多选题】 关于 CD8+T 细胞介导的细胞免疫,下列哪些是正确的?
①  可因接触非特异性抗原而活化
②  CD3 传递第一信号
③  协同刺激信号为第二信号
④  静息状态的 Tc 即可杀伤靶细胞
⑤  杀伤靶细胞的范围比NK 细胞大
【单选题】 提呈抗原信息给CD4+T细胞的抗原提呈细胞是
①  B淋巴细胞
②  活化的T细胞
③  巨噬细胞
④  树突状细胞
⑤  以上均可以
【单选题】 CD4淋巴细胞减少见于:
①  风疹
②  淋巴瘤
③  慢性白血病
④  移植排斥反应
【单选题】 关于T淋巴细胞和B淋巴细胞介导的免疫应答,下列哪项是错误的?
①  对TD抗原的应答都产生记忆细胞
②  对TD抗原的应答都需APC处理和呈递抗原
③  都产生效应产物
④  效应产物的作用均是特异的
⑤  都能形成免疫耐受
【单选题】 FCM技术进行CD4+T细胞计数的优点不包括()
①  自动化方法
②  可靠性高(变异系数低)
③  精密度、准确度和可重复性高
④  低廉
【单选题】 巨噬细胞、纤维母细胞和淋巴细胞最常见于
①  急性炎症
②  肉芽组织
③  伤口愈合处
④  慢性炎症
⑤  化脓性炎症
【单选题】 体内的嗜酸性粒细胞、肥大细胞和T淋巴细胞等多种炎性细胞参与的气道慢性炎症称为()
①  支气管哮喘
②  气管炎
③  支气管扩张
④  慢性支气管炎
⑤  肺癌
【单选题】 巨噬细胞来源于下列哪种细胞
①  成纤维细胞
②  纤维细胞
③  单核细胞
④  淋巴细胞
⑤  浆细胞
【单选题】 下列哪个是外周血淋巴细胞亚群检测中B淋巴细胞的表型()
①  CD3-CD19+
②  CD3+CD4+
③  CD3+CD8+
④  CD3-CD16+CD56+
⑤  CD3+CD19+
随机题目
【单选题】 About the novel The Scarlet Letter, which of the following statements is NOT right?
①  Its very hard to say that it is a love story or a story of sin.
②  Its a highly symbolic story and the author is a master of symbolism.
③  Its mainly about the moral, emotional and psychological effects of the sin upon the main characters and the people in general.
④  In it the letter A takes the same symbolic meaning throughout the novel.
【单选题】 In the novel Moby Dick, the rebellious struggle of Captain Ahab was thought to be against ____.
①  the white whale
②  the gliding great demon of the seas of life
③  the overwhelming, mysterious vastness of the universe and the awesome forces
④  the savage harpooners and the motley crew
【单选题】 The Romantic Period in American literature stretches from the end of the 18th century to the outbreak of _________.
①  the Revolutionary War
②  the Civil War
③  the War for Independence
④  World War
【单选题】 As a great innovator in American literature, Walt Whitman wrote his poetry in an unconventional style which is now called free verse, which is ______.
①  lyrical poetry with chanting refrains
②  poetry without a fixed beat or regular rhyme scheme
③  poetry without rhymes at the end of the lines but with a fixed beat
④  poetry in an irregular metric form and expressing noble feelings
【单选题】 Washington Irving’s_________ became the first work by an American writer to win financial success on both sides of the Atlantic in the first half of the 19th century.
①  Charles the Second
②  Sketch Book
③  The Scarlet Letter
④  Moby Dick I
【单选题】 In William Cullen Bryant’s poem “Thanatopsis”, the title means______.
①  view of life
②  view of death
③  view of youth
④  world outlook
【单选题】 At the Reason and Revolution Period, Americans were influenced by the European movement called ______.
①  Chartist Movement
②  Romanticism Movement
③  Enlightenment Movement
④  Modernist Movement
【单选题】 The eminent English critic and poet, Matthew Arnold, called___“the most perfect brief poem in the language.”
①  Nature
②  To a Waterfowl
③  To Helen
④  The Wild Honey Suckle
【单选题】 Which of following can be said of the common features which are shared by the English and American Romanticists?
①  An increasing emphasis on the free expression of emotions.
②  An increasing attention to the psychic states of their characters.
③  An increasing emphasis on the desire to return to nature.
④  Both A and B.
【单选题】 The giant Moby Dick may symbolize all EXCEPT ______.
①  mystery of the universe
②  sin of the whale
③  power of the Great Nature
④  evil of the world