admins 发表于 2021-8-18 22:48:29

6.15.1人体内物质的运输第1课时2021-2022学年生物苏科版八年级上册随堂小测

※题型:单选题※知识点:单选题※试题难度:中等<br>下面关于动脉特征的描述,错误的是(&nbsp;)<br>A.动脉的管壁较厚,弹性大&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.动脉内血流速度快<br>C.动脉一般分布较深&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.动脉里流的是动脉血<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/b32a8f7d06184a03915718112b4ed95b/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/0fb026354472487baf2e0bfa15a794c0/B617D4059FB1FE5BDEEC9EF170FCCFA1.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>握紧拳头,你可以在手背上找到俗称“青筋”的血管。这些血管不具备的特点是(&nbsp;)<br>A.管壁的内面有瓣膜<br>B.管壁较薄、弹性小<br>C.管内血液由远心端流向近心端<br>D.管内流动的血液含氧气较多、颜色鲜红<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/77b33578bc7b4d0a99d130364691c7e4/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/4b632f4cd6c5415f8139a2bf0d12e1a0/362B95FA345A1F99F2EB48188285C62C.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>下列哪项不是毛细血管适于和组织细胞进行物质交换的特点(&nbsp;)<br>A.管壁薄,只由一层上皮细胞构成<br>B.管径小,只允许红细胞单行通过<br>C.数量大,在全身各器官广泛分布<br>D.管壁能允许各种血细胞自由通过<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/cb4b60297abc4f5ca0255a9b87ea2534/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/5d159d67b2624229b6905de46edbcec6/9C700CBFE27BDAD0273DDD4D7300059F.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>如图是人体内三种血管的示意图,下列选项中对该图描述正确的是(&nbsp;)<img src="https://picture2.zhihuicn.com/testImage/2/2021/5/31/F1D4F53D5C57A4A09E930A2A5ADC38D8.png"><br>A.表示动脉的是a&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.表示静脉的是b<br>C.血流速度最快的是a&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.血流速度最慢的是c<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2021/ff3a0633a41d4feb9792c52bb5aa4e5d/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2021/d317d086d5664905b10adecc4d82cc4b/91A6F150B146D20955A277E21F7F43AF.png"><br><br>※题型:单选题※知识点:单选题※试题难度:中等<br>下列关于人体三种血管的叙述中正确的是(&nbsp;)<br>A.动脉中血液流速慢<br>B.静脉的管壁厚、弹性大<br>C.毛细血管中红细胞只能单行通过<br>D.血流方向是:静脉→毛细血管→动脉<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/de49bf11561b4a558c35999e3b6ad0e3/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/9a945fd05a01407caf1b68d0f90dae8b/16519640CE1BB57CE53942A4CDD7AD51.png"><br><br>※题型:单选题※知识点:单选题※试题难度:较易<br>某同学安静状态下测得自己的脉搏平均每分钟跳动82次,则他此时的心跳次数平均每分钟为多少次?(&nbsp;)<br>A.82&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;B.100&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C.42&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;D.75<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/3b4bf94f770543ef806b25b91876ea4c/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/f4374c87fb4f48ac8a5856fac81466a3/FD8BC2D47A1817949D5CD5401E06DDFD.png"><br><br>※题型:填空题※知识点:填空题※试题难度:中等<br>下图为三种血管关系示意图,请你据图回答下列问题:<br><img src="https://picture2.zhihuicn.com/testImage/2/2013/12/15/08E995D185F7E0B4E9C4E309642B4594.png"><br>1.写出图中标号所示血管名称:①;②;③。<br>2.在输液时,用橡皮筋扎住人的上臂,人手臂上隆起一条条的青筋属于图中的血管,中医“切脉”属于图中的血管。(填标号)<br>3.血液在标号处流动最快,红细胞在标号②所示血管内通过,该血管管壁由扁平的上皮细胞构成,管内血流速度最。这些特点便于血液与组织细胞进行物质交换。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2013/b99a1822a60547bdad303640ceb0cc54/CA65FA8AEABE09C64F72D8D95307554B.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2013/d9e986511d59487db99dac522a161252/3B82F07548D678804113D0DC4FCF86D3.png"><br><br>
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