1、This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 microcontroller
2、and DS18B20 temperature sensor.1神经系统的基本结构单位是 （ ）A灰质 B白质 C神经元 D反射弧2下列关于反射弧的叙述，不正确的是 （ ）A反射弧通常由感受器、传入神经、神经中枢、传出神经和效应器五部分组成B感受器接受刺激后能产生兴奋C神经中枢位于脑和脊髓D效应器只由运动神经元的神经末梢组成This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measureme
3、nt and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 microcontroller and DS18B20 temperature sensor.3下列关于反射和反射弧的叙述正确的是（ ）A反射弧是神经系统结构和功能的基本单位 B反射活动必须通过反射弧来完成C只要有完整的反射弧，必然出现反射活动 D反射和反射弧在性质上是完全相同的4小明的手指不小心被刀割伤
4、时，由于疼痛而咬紧牙关。这个过程中，他的神经兴奋传递途径是（ ）传入神经 传出神经 手部感受器 脊髓牵动上下颌的肌肉 脑A B C D This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomp
5、uter. The core components of the system are AT89C51 microcontroller and DS18B20 temperature sensor.5某人因受外伤，致使脊髓从胸部折断开。一般情况下 （ ）A膝跳反射存在，针刺足部有感觉 B膝跳反射不存在，针刺足部有感觉C膝跳反射不存在，针刺足部无感觉 D膝跳反射存在，针刺足部无感觉6在一个以肌肉为效应器的反射弧中如果传出神经受损，而其他部分正常，感受器受到刺激后将表现为 （ ）A既有感觉，又能运动 B失去感觉，同时肌肉无收缩能力C有感觉，但肌肉无收缩反应 D失去感觉，但能运动This paper
6、 mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 microcontroller and DS18B2
7、0 temperature sensor.7神经纤维处于静息状态和兴奋状态时，细胞膜内外的电位分别（ ）A内正外负，内负外正 B内负外正，内正外负C内负外正，内负外正 D内正外负，内正外负8神经冲动能在神经纤维上传导，是通过膜电位变化产生的 （ ）A电荷 B局部电场 C局部电流 D电势This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by us
8、ing single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 microcontroller and DS18B20 temperature sensor.9下图表示反射弧中一个神经元的局部模式图。当人体内兴奋经过该神经元时，在神经纤维膜内外的局部电流方向是（ ）A都是由左向右B都是由右向左C膜内由左向右，膜外由右向左D膜内由右向左，膜外由左向右This paper mainly introduces t
9、he design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 microcontroller and DS18B20 temperature sensor
10、.10在一条离体神经纤维的中段施加电刺激，使其兴奋。下图表示刺激时的膜内外电位变化和所产生的兴奋传导方向（横向箭头表示传导方向）。其中正确的是 （ ）This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip mi
11、crocomputer. The core components of the system are AT89C51 microcontroller and DS18B20 temperature sensor.11取出枪乌贼完整无损的粗大神经纤维并置于适宜环境中，进行如图所示的实验。 G表示灵敏电流计， a、 b为两个微型电极，阴影部分表示开始发生局部电流的区域。请据图回答下列问题：(1)静息时，神经纤维膜内外的电位状况是 。(2)如果将 a、 b两电极置于神经纤维膜外，在 c处给予强刺激 (如图 )，电流计的指针会发生 次方向 (填 “相同 ”或 “相反”)的偏转。(3)若将 b电极置于
12、d处膜外 (ab=bd)， a电极位置不变，则刺激 c处后，电流计是否偏转 ? 。(4) 若将 a电极置于 d处膜外 (bc=cd)， b电极位置不变，则刺激 c处后，电流计是否偏转 ? 。This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B2
13、0 and single chip microcomputer. The core components of the system are AT89C51 microcontroller and DS18B20 temperature sensor.12突触小体存在于 （ ）A神经元轴突末梢 B神经元树突末梢 C神经元细胞体 D两个神经元之间13下列对于神经递质的叙述，正确的是（ ）A神经递质通过突触前膜释放到突触间隙，通过突触后膜进入下一神经元内 B神经递质是一种化学信号C神经递质能使突触前膜和后膜的电位发生改变 D神经递质的传递是双向的This paper mainly introduc
14、es the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 microcontroller and DS18B20 temperature se
15、nsor.14突触前膜释放神经递质的方式属于 （ ）A自由扩散 B主动运输 C内吞作用 D外排作用15在一个简单的反射弧中，只有传入神经元（ A）和传出神经元（ B），则当 A接受刺激后，兴奋的传导方向是 （ ）A A的树突 B的轴突 B B的轴突 A的轴突C B的轴突 A的树突 D A的轴突 B的树突This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and cont
16、rol by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 microcontroller and DS18B20 temperature sensor.16下列关于突触和兴奋传递的叙述不正确的是 （ ）A兴奋在突触处只能单向传递B兴奋经过突触时发生了电信号 化学信号 电信号的转变C构成突触的两个神经元之间是有间隙的D突触前后两个神经元的兴奋是同时发生的17在人体内，神经冲动的传导不可
17、能由 （ ）A轴突 树突 细胞体 B轴突 细胞体 轴突C树突 细胞体 轴突 D细胞体 树突 轴突This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core compo
18、nents of the system are AT89C51 microcontroller and DS18B20 temperature sensor.18镇痛药并不损伤神经元的结构，却能在一段时间内阻断神经冲动向感觉中枢的传导，它的主要作用部位在 （ ）A细胞体 B轴突 C突触间隙 D树突This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control
19、 by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 microcontroller and DS18B20 temperature sensor.19下图表示突触的亚显微结构模式图，请据图回答下列问题 ：(1)突触是由 、 和 这三部分构成的。(2)若 b点受刺激，则神经冲动在神经纤维 中传导的方向是 。A abc B abc C cba D bca(3)兴奋在 上的传导是由 引起的
20、。(4)引起 兴奋或抑制的是 ，它存在于 中，只能由 释放。(5)神经细胞间兴奋的传递方向是 的。This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core comp
21、onents of the system are AT89C51 microcontroller and DS18B20 temperature sensor.20下列不属于中枢神经系统组成的是 （ ）A大脑 B脑干 C脊神经 D脊髓21饮酒过量的人表现为语无伦次、走路不稳、呼吸急促，在 大脑 小脑 脑干三个结构中，与此反应相对应的结构分别是 （ ）A B C D This paper mainly introduces the design of an intelligent temperature control system which realizes the function of
22、temperature measurement and control by using single bus digital temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 microcontroller and DS18B20 temperature sensor.22成人可以有意识的排尿，婴儿却不能。这说明 （ ）A位于脊髓内的低级中枢受脑中相应的低级中枢的调控B位于脊髓内的低级中枢受脑中相应的高级中枢的调控C位于脊髓内的高级中枢
23、受脑中相应的低级中枢的调控D位于脊髓内的高级中枢受脑中相应的高级中枢的调控23下列关于人的大脑皮层功能的叙述，不正确的是 （ ）A分布有非条件反射的神经中枢 B分布有条件反射的神经中枢C可感知外部世界 D具有语言、学习、记忆和思维等高级功能This paper mainly introduces the design of an intelligent temperature control system which realizes the function of temperature measurement and control by using single bus digital
24、temperature sensor DS18B20 and single chip microcomputer. The core components of the system are AT89C51 microcontroller and DS18B20 temperature sensor.24图甲表示与缩手反射相关的结构，图乙是图甲中某一结构的亚显微结构模式图。请据图回答下列问题 ：（ 1）甲图中 f表示的结构是 ，乙图是甲图中 （填字母）的亚显微结构放大模式图，乙图中的 B为一个神经元的 。（ 2）缩手反射时，兴奋从 A传到 B的信号物质是 。该反射弧由 个神经元组成。（ 3）已知 A释放的某种物质可使 B兴奋，当完成一次兴奋传递后，该种物质立即被分解。某种药物可以阻止该种物质的分解，这种药物的即时效应是 。
