2020-2021学年七年级下册生物人教版同步课时作业（7）呼吸道对空气的处理
※题型：单选题※知识点：单选题※试题难度：中等<br>以下属于呼吸系统的器官是( )<br>A.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/21/B685B85CAFFC59349BCABB9F3CCD817E.png"><br>B.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/21/177E0033B85C2454E711E162C7D4CC52.png"><br>C.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/21/EF51A0522944AB93774B61F591F3043F.png"><br>D.<img src="https://picture2.zhihuicn.com/testImage/2/2020/12/21/67D6C4A9884FC375CD05FF6ED96F6332.png"><br><br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/140c5179273547608a351c46ef582b55/01A39E48B8A67989A23F6887F26FCC64.png"><br>解析<br>略<br>※题型：单选题※知识点：单选题※试题难度：中等<br>吃饭时不能说笑的原因是( )<br>A.流经消化器官的血量减少<br>B.消化腺的分泌功能降低<br>C.食物易从咽误入气管<br>D.影响肺的通气<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/74476316a0774289bd78b579f7a67505/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/8ea41f60d6ae4b5ebd33c47fdde902c0/27884B7E4FED6F6EF7AB400FFE4FC520.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>呼吸道感染时常有大量的痰,其形成部位是( )<br>A.咽 B.喉<br>C.气管或支气管 D.肺<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/44b92d5deb464e409894fb543198d3b6/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/f029083a5ced48afae6beadaca2a8415/8ACB3721B9B808CEB7E1013347A486B2.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列结构中,主要功能为保证呼吸道畅通的是( )<br>A.气管纤毛 B.气管软骨 C.会厌软骨 D.鼻黏膜<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/980ae8d74a8b41c3bb65464e6aea7861/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2020/718b3f3cf7ba41be997334d379d51410/632AF3EDD45608CB98C2D4FB7AB464E2.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>吃饭时不要大声说笑,以免______来不及盖住喉口,食物误入气管引起剧烈咳嗽。( )<br>A.会厌软骨 B.喉软骨 C.甲状软骨 D.“C”型软骨<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/43bb578857ef4bf8887b4ed2cf49855c/DA50F910BECBBBA4AAB35D7A1AB24524.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/c70a6499446340f2b51dbb5d060d173a/4122F86A73E90E15E52A462CAE65A971.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下列关于人体呼吸系统结构和功能的叙述,正确的是( )<br>A.鼻腔有温暖、湿润、淸洁空气的作用<br>B.呼吸道由鼻、咽、喉、气管构成<br>C.气管是气体交换的场所<br>D.喉是食物和气体的共同通道<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/5493f9f9841d4c74852a123f4be48a89/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/0a094edc9d3e4bfa847734256e6bf1ee/0E610D4103549E594C89C3CE41E5851F.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>下列关于呼吸系统的说法,错误的是( )<br>A.气管和支气管中对痰的形成起主要作用的是腺细胞和纤毛<br>B.鼻黏膜能温暖吸入的空气<br>C.呼吸系统的组成是呼吸道和肺<br>D.呼吸道都有骨或软骨做支架,能保证气流通畅<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2016/565d88650f43460096aafe858778e44a/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2016/7aeccbe4165a4e8ba5d894644d339f6a/14E0CF55AA68B2E11142A97A154D23E2.png"><br><br>※题型：读图填空题※知识点：读图填空题※试题难度：中等<br>如图是呼吸系统模式图,请据图回答:<img 1.图中①—⑤的合称是,是外界气体进入⑦的通道,具有温暖、湿润、清洁空气的作用。<br>2.吃饭时大说大笑会呛着,这与来不及盖住喉的入口有关。<br>3.食物和空气的共同通道是[] ,它既属于系统,又属于系统。<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2020/8caf3f229eca4f41aac36bc3053d5fc2/1DE690CFE30946205935B2C325A9F2DB.png"><br>解析<br>略<br>
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