1)哺乳动物的血液中,二氧化碳主要靠下列哪项来运输?

高一生物 运输

Quiz
•
Biology
•
10th Grade
•
Hard
lim peiyap
Used 1+ times
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36 questions
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1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
碳酸氢离子
氧合血红素
碳酸(H2CO3)
氨甲酰血红素
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2)下列哪个选项与输送二氧化碳的关系最为密切?
血浆
淋巴
红血球
组织液
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3)结构X为人体循环系统中的一部分。它具有瓣膜,并运输不含红血球的体液。当结构X阻塞时,会引起水肿现象。结构X是什么?
静脉
小动脉
小静脉
淋巴管
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
4)小肠吸收的脂溶性养分进入心脏前,会经过下列哪个途径?
微血管-肝门静脉-下腔静脉
微血管-下腔静脉
乳糜管-肝脏-胸管-锁骨下静脉
乳糜管-胸管-锁骨下静脉
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
5)二氧化碳分压会影响血红素对氧的亲和力,此现象对人体有什么生理意义?
使组织细胞能获得较多的氧
使一氧化碳不易与血红素结合
当人体缺氧时,有助于血红素与氧的结合
有助于组织细胞处的二氧化碳和血红素结合
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
6)下列哪项有关右图中结构X的叙述是正确的?
I)能过滤病菌
II)能活化肥大细胞
III)能产生抗体,以消灭病菌
IV)聚集了许多吞噬细胞,以吞噬入侵的病菌
I,III
I,IV
II,III
II,IV
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
7)氧合血红素在下列哪种状况下容易分离放出氧?
水浓度低
氧浓度高
H+浓度高
CO2浓度低
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