2018版高中生物第2章生物科学与农业2.4动物疫病的控制随堂练习新人教版选修2.doc

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12.4 动物疫病的控制随堂练习巩固1.动物传染病流行的三个环节是( )A.传染源、发病类型、易感动物B.传染源、传播途径、易感动物C.污染源、传播途径、感染动物D.污染源、发病类型、易感动物答案 B2.为防止禽流感传染给人类,韩国有关部门提醒 1.5万居民服用抗病毒的药品,做好预防工作,这属于( )A.控制传染源 B.切断传播途径C.保护易感人群 D.政府工作负责答案 C3.引起动物口蹄疫的主要原因是( )A.放线菌 B.螺旋体 C.口蹄疫病毒 D.衣原体答案 C4.朊病毒是最新发现的一种致病性分子,抵抗力较一般病毒强。对疑似病畜、病兽应( )A.隔离治疗 B.人工免疫 C.焚化处理 D.就地观察解析 朊病毒抗 80100 高温,抗一般消毒剂和紫外线,不能诱发人体产生干扰素,所以应焚化处理。答案 C5.某种寄生虫寄生在人体淋巴管内,会造成下肢肿胀,这是由于肿胀处( )A.细胞间隙积聚液体B.细胞不能接受氨基酸C.细胞不能对脂肪进行分解D.细胞外液 Na 浓度是内液的 1/2解析 人体内的淋巴是组织液渗入淋巴管形成的,当淋巴管内有寄生虫时,引起淋巴堵塞,组织液大量积聚于细胞间隙,引起水肿。答案 A

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