2019年中考生物真题专项汇编：考点23血液
※题型：单选题※知识点：单选题※试题难度：中等<br>血液加入抗凝剂静置一段时间后,可观察到血液有明显的分层现象,上层的液体是( )<br>A.红细胞 B.血浆 C.白细胞 D.血小板<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/e4c7ab90956046038f7f1b8ebf647893/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/84226756f6fc41d49f00f7ebc75dd0c1/7B1F1265C038C980F7B0B250D49C4B4E.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>生活在平原地区的人,进入高原一段时间后,血液中的一种成分会显著增加,这种成分是( )<br>A.血浆 B.血小板 C.红细胞 D.白细胞<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/40af79a3be48446fb22965a78ea355f7/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/6041ee9eb59446ef9832a42b7e5122a9/12221F686DDDE82C2F0AC24B153700EE.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>下图是在显微镜下观察到的人血永久涂片示意图。含血红蛋白能运输氧的是( )<img src="https://picture2.zhihuicn.com/testImage/2/2019/7/23/AE52962C32B56307597BC6EE83324EC6.png"><br>A.① B.② C.③ D.④<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/b6a460494e7a41149cf3211edf9df737/E7F0EDF83F40244C8F0C84B97471AED6.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/0be2d1a976e444269555f5c99481fb8a/6D2D6A8E9AD58F177A858058D78E415C.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>某同学得了急性扁桃体炎,他的血常规化验报告单中,明显高于正常值的是( )<br>A.白细胞 B.红细胞 C.血小板 D.血红蛋白<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/f8af25577f11451190913350dfce3b02/E7F0EDF83F40244C8F0C84B97471AED6.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>小李做完血常规检查后,医生说他有炎症,你认为医生是根据血液的哪种成分异常来判断的?( )<br>A.血浆 B.红细胞 C.白细胞 D.血小板<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/a6d1cb1b8f6b46b9a1bdc9ce64495c02/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/b5841cfb9a6a4f8cb1e7da658bb01e1a/5B8EC5D14F8F9D24B495EC805ED071F9.png"><br><br>※题型：单选题※知识点：单选题※试题难度：中等<br>DNA检测可用于亲子关系鉴定。现有待测血液样品,应检测的成分是()<br>A.红细胞 B.白细胞 C.血小板 D.血浆<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/35957c06611e43e9886cd23018af569e/76900E09FAB5EBA344B8EA84E844FF07.png"><br>解析<br><img src="https://picture2.zhihuicn.com/explain/2/9/2019/0bd4c4cae1a048e1aa559a5f0e853bc6/305FDF814E27E972922B556AC4243125.png"><br><br>※题型：单选题※知识点：单选题※试题难度：较易<br>一位AB血型的人大量失血,根据安全输血的原则,应为病人输入哪种血型的血( )<br>A.A型 B.B型 C.O型 D.AB型<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/507699ff59354635ab78ff11d8dc6fef/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>一位AB型血的人大量失血后,应给他输入( )<br>A.A型血 B.B型血 C.AB型血 D.O型血<br>答案<br><img src="https://picture2.zhihuicn.com/answer/2/9/2019/c17d7ea4cb4942368aef901d7843ea50/06CA09E70C17EF8BA2D3B8C70D693953.png"><br>解析<br>略<br>
页:
[1]