課程代碼：10063

一、單項(xiàng)選擇題(本大題共30小題，每小題1.5分，共45分)

在每小題列出的四個(gè)備選項(xiàng)中只有一個(gè)是符合題目要求的，請(qǐng)將其代碼填寫(xiě)在題后的括號(hào)內(nèi)。錯(cuò)選、多選或未選均無(wú)分。

1．不屬于腦干結(jié)構(gòu)的腦組織是(      )

A.間腦                                                             B.中腦                        

C.腦橋                                                             D.延髓

2．沒(méi)有自主神經(jīng)分布的組織是(      )

A.心肌                                                             B.平滑肌                     

C.骨骼肌                                                         D.腺體

3．第一心音標(biāo)志(      )

A.心室收縮的開(kāi)始                                           B.心室舒張的開(kāi)始       

C.心房收縮的開(kāi)始                                           D.心房舒張的開(kāi)始

4．下列哪類(lèi)心肌細(xì)胞無(wú)自動(dòng)節(jié)律性？(      )

A.心室肌                                                         B.竇房結(jié)                     

C.房室結(jié)                                                         D.房室束

5．心室肌的后負(fù)荷是指(      )

A.心房壓力                                                      B.大動(dòng)脈血壓              

C.心室收縮末期壓力                                        D.心室舒張末期壓力

6．正常人血漿pH值為(      )

A.7.15～7.25                                                    B.7.25～7.35               

C.7.35～7.45                                                    D.7.45～7.55

7．體內(nèi)O₂分壓最高的部位是(      )

A.肺泡氣                                                         B.動(dòng)脈血                     

C.靜脈血                                                         D.組織

8．呼吸的基本中樞位于(      )

A.脊髓                                                             B.延髓                        

C.腦橋                                                             D.中腦

9．分泌內(nèi)因子的胃腺細(xì)胞是(      )

A.主細(xì)胞                                                         B.壁細(xì)胞                     

C.黏液頸細(xì)胞                                                  D.幽門(mén)腺細(xì)胞

10．下列哪項(xiàng)不是胰液中的成分?(      )

A.胰脂肪酶                                                      B.胰蛋白酶                 

C.胰淀粉酶                                                      D.胰島素