想问一下。80年代的广东高中理科学习方法生物会...

阅读下面故事“从一个家庭的悲剧看艾滋病的传播”,回答问题这是20世纪80年代初期,发生在美国一个普通家庭里的故事.约翰从妈妈那里带着血友病的遗传因子来到这个世界上.在他绚丽如梦的青春时节,血友病在他身上发作了.由于疾病,他需要经常注射血液制作的生物制品来维持生命,而这种制品是成百上千人的血液混合后提取的.靠定期输入这种血液制品,约翰和正常人一样地生活着.他结婚了,有了一个爱他的妻子.几年后,可爱的女儿的出世又给这个和睦的家庭增添了天伦之乐.不久,艾滋病在美国悄悄蔓延开来,约翰也因为使用了被艾滋病毒污染的血液制品而陷入灾难,然而他却全然不知,也就是在不知不觉中,通过性生活约翰将艾滋病病毒传给了妻子.妻子怀孕了,艾滋病病毒又通过母亲悄悄地侵入幼小的生命中,病毒侵害了婴儿的各个器官,包括大脑,孩子生下后瘦弱、智力发育障碍,不久小小的生命便因艾滋病而夭折.接着约翰和他的妻子也相继发病而亡.最终,只剩下约翰的大女儿孤零零地活在这个世界上.(1)阅读故事,从中找出艾滋病的三种传播方式:血液传播;性传播;母婴传播.(2)假如你的朋友不幸感染了HIV(人类免疫缺陷病毒,即艾滋病病毒),你应该怎样和他(她)相处?简要说说你的理由?
解:(1)HIV存在于艾滋病患者和带病毒者的血液、精液、宫颈分泌物、唾液、泪液、乳汁、尿液中.通过与艾滋病感染者进行性接触、输入含艾滋病病毒的血液制品、共用注射器静脉注射毒品、使用被艾滋病病毒污染的而未经消毒的注射器、移植带有艾滋病病毒的器官或组织等都有可能传播HIV,已感染HIV的妇女可通过胎盘、分娩、哺乳将病毒传播给胎儿或婴儿.通过阅读故事知道,艾滋病的传播途径有三个:性传播、血液传播、母婴传播.除此以外,与艾滋病病毒感染者或艾滋病病人进行一般的生活和工作接触不会感染艾滋病病毒.(2)同艾滋病患者交谈、握手拥抱、同吃同饮、共用厕所和浴室、共用教室、公共交通工具、娱乐设施等日常生活接触不会被感染艾滋病病毒;因此对艾滋病患者不要有惧怕心理,要关心他,力所能及的帮助他树立生活的勇气和信心,而不是歧视他,躲避他.同时,在与他接触的过程中,注意不要碰破皮肤,避免感染.故答案为:(1)血液传播;性传播;母婴传播(2)关心他,力所能及的帮助他树立生活的勇气和信心,而不是歧视他,躲避他.同时,在与他接触的过程中,注意不要碰破皮肤,避免感染;因为:同艾滋病患者交谈、握手拥抱、同吃同饮、共用厕所和浴室、共用教室、公共交通工具、娱乐设施等日常生活接触不会被感染艾滋病病毒.本题考查的是艾滋病的传播途径,艾滋病全称为获得性免疫缺陷病毒综合征,是由人类缺陷病毒(HIV)引起的一种严重威胁人类健康的传染病.二次元同好交流新大陆
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80年代老课本 老版高中生物课本 高级中学课本(试用) 生物(乙种本) 全一册【85年人教版 有笔记】
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80年代老课本 老版高中生物课本 高级中学课本(试用) 生物(乙种本) 全一册【85年人教版 有笔记】(图1)
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八十年代的“三大火车头技术”:机器人、生物工艺和电子通讯
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