21、眼對(duì)物體細(xì)微結(jié)構(gòu)的分辨力稱為(      )

A、視力                                                       B、視野

C、暗適應(yīng)                                                   D、明適應(yīng)

22、耳蝸的主要功能是(      )

A、集音                                                       B、判斷聲源

C、增強(qiáng)聲壓                                                D、感音換能

23、中樞興奮傳播的特征之一是(      )

A、雙向傳遞                                                B、生理完整性

C、相對(duì)不疲勞性                                         D、后發(fā)放

24、維持軀體姿勢(shì)最基本的反射是(      )

A、腱反射                                                   B、屈肌反射

C、肌緊張                                                   D、本體感受性反射

25、下列各項(xiàng)中，不屬于下丘腦的功能的是(      )

A、調(diào)節(jié)體溫                                                B、調(diào)節(jié)肌緊張

C、調(diào)節(jié)內(nèi)分泌                                            D、調(diào)節(jié)攝食活動(dòng)