七年级生物下册4.12.1《神经系统与神经调节》习题1(无答案)(新版)北师大版.doc

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1神经系统和神经调节习题1、在脑和脊髓里,细胞体密集的部位是:( )A、白质 B、神经中枢 C、灰质 D、神经纤维2、反射弧是完成反射活动的神经结构,人体的传出神经受损,反射弧不完整,反射活动( )A、能进行,此人无感觉 B、不能进行,此人有感觉C、能进行,此人不能运动 D、不能进行,此人能运动3、盲人“读”盲文时,首先要靠什么中枢完成:( )A、语言中枢 B、躯体感觉中枢 C、视觉中枢 D、躯体运动中枢4、如果意识丧失,患者会出现婴儿式的随意排尿反射,这一现象说明排尿反射的低级中枢位于:( )A、 脊髓 B、大脑皮层 C、 膀胱壁 D 、肾脏5、临床上,与初步诊断神经中枢是否受损无关的检查是:( )A、划脚心观察是否有反应 B、检查血细胞的数量是否有变化C、检查膝跳反射是否正常 D 、要求此人复述医生的一段话6、下图是缩手反射的模式图,请据图回答(1)该模式图表示的神经结构叫: ,神经系统结构和功能的基本单位是: (2)若图中1表示感受器,请写出以下序号的名称:2 3 4 5 (3)当手受到针的刺激,会发生缩手反射,该反射过程中,神经冲动的传导过程是: (用序号和箭头表示) 。从反射的类型看,缩手反射属于: (4) 、当手受到针的刺激后会感到疼痛,痛感形成于: 以后见到针会有意识地躲避,此反射的类型属于 反射。2

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