初级检验士试题

发布 2024-04-16 08:10:12 阅读 4140

1、下列关于瑞氏染色错误的是: a、是观察细胞内部结构、识别各种细胞最常用的血涂片染色法。

b、由酸性染料美蓝和碱性染料伊红组成c、对细胞的染色既有物理吸附作用,也有化学亲和作用。

d、新鲜配制的染料需放置一段时间才能使用e、染色后细胞核呈紫色或蓝色2、关于血红蛋白的组成,正确的是: a、亚铁血红素和原卟啉构成b、亚铁血红素和铁原子构成c、亚铁血红素和球蛋白构成d、亚铁血红素和清蛋白构成e、亚铁血红素和珠蛋白构成。

3、红细胞脆性实验的首选抗凝剂是: a、edtak2b、枸橼酸钠c、肝素d、草酸钠e、双草酸钠。

4、静脉采血时如止血带压迫时间过长可引起: a、白细胞分类异常b、血沉增快。

c、某些凝血因子活性增高d、红细胞计数偏低e、红细胞形态改变。

5、下列那项不是引起红细胞代偿性增高的原因:a、法乐四联症。

b、真性红细胞增多症c、慢性肺心病d、新生儿e、高山居民。

6、成熟红细胞平均寿命为:a、60天b、80天c、100天d、120天e、50天。

7、瑞氏染色时缓冲液的最适ph值为: a、6.0-6.4b、6.4-6.8c、6.8-7.2d、7.2-7.6e、7.35-7.45

of work enthusiasm and forward-looking. the difficulties andproblems of individual cadres indifferent masses as the buck passing,long, make some ****** complex problems. some cadres general talk aboutpay, do not take the initiative to undertake for the bitter and tired ofthe work, the lack of courage to play a positive attitude.

" correctivemeasures: (led leadership: luo mingjun, rectification time:

beforeseptember 25th, insist for a long time) 1, effectively solve theenterprise less, help is not enough. in order to "turn style, solveproblems, and do practical things, heart to heart" as the core, in

accordance with the provisions of division of labor bureau, by thebureau of party members and cadres room composition the working group ,to help enterprises solve problems, promote the construction of majorprojects; close ties with the masses, to ask for the people, ask forpeople to know the people, public opinion, the people, improve people'slivelihood.

8、目视计数红细胞的稀释液何者效果最佳a、hayem液b、甲醛枸橼酸盐稀释液c、生理盐水d、1%甲醛生理盐水e、蒸馏水。

瑞氏染色中缓冲液的最主要作用是: 9a、稀释染液以防着色过深。

b、不改变细胞所带电荷,促进染色进行c、增加细胞对染料的亲和力d、保证细胞受色时恒定最佳的ph条件e、稀释染液,便于控制染色时间10、目前国内推荐的**毛细血管采用部位最常用的是a、耳垂b、手指c、拇指d、足跟。

11、肝素抗凝血不适用于a、红细胞计数b、血红蛋白测定c、血细胞计数。

d、白细胞分类计数。

12、肝素具有较强的抗凝能力,但过量应用可引起a、血小板凝集b、白细胞凝集c、以上均可d、以上均不可。

13、肝素抗凝剂的主要缺点是a、用量大。

b、影响血细胞体积。

c、在短时间内使用,搁置过久血液可再凝固d、易引起溶血。

14、关于抗凝剂肝素叙述,下列哪项是错误的a、是一种含有硫酸基团的粘多糖。

b、可存在于肥大细胞和嗜喊粒细胞的颗粒中c、可增强抗凝血酶的抑制物d、有限止血小板凝聚作用。

15、枸橼酸钠作为抗凝剂用于输血的主要优点是a、普及易得b、毒性低c、用量少d、**低。

16、双草酸盐抗凝剂不适合用于a、血细胞计数。

of work enthusiasm and forward-looking. the difficulties andproblems of individual cadres indifferent masses as the buck passing,long, make some ****** complex problems. some cadres general talk aboutpay, do not take the initiative to undertake for the bitter and tired ofthe work, the lack of courage to play a positive attitude.

" corrective

measures: (led leadership: luo mingjun, rectification time:

beforeseptember 25th, insist for a long time) 1, effectively solve theenterprise less, help is not enough. in order to "turn style, solveproblems, and do practical things, heart to heart" as the core, inaccordance with the provisions of division of labor bureau, by thebureau of party members and cadres room composition the working group ,to help enterprises solve problems, promote the construction of majorprojects; close ties with the masses, to ask for the people, ask forpeople to know the people, public opinion, the people, improve people'slivelihood.

b、红细胞平均常数c、红细胞比积d、血小板计数。

17、下列哪种使用方法不能起抗凝作用a、可以用31.3g/l枸橼酸钠溶液按1?9b、用0.

01mol/l草酸钠溶液与血液1?9使用c、62.5u肝素可抗凝5ml血液d、5mgedta na2可抗凝血5ml血液18、下列哪种抗凝剂的抗凝机理是正确的。

a、草酸盐可同血中钙离子形成可溶性整合物,从而阻止血液凝固b、枸橼酸盐可与血液中钙离子生成一种沉淀物,从而阻止血液凝固c、乙二胺四乙酸盐(edta)可与血中钙离子结合成鳌合物而阻止血液凝固。

d、肝素主要用通过加强抗凝血酶i而阻止血凝。

19、能与血液中的钙离子形成整合物,阻止血液凝固的抗凝剂是a、草酸钾。

b、肝素。c、乙二胺四乙酸二钠枸橼酸钠d、枸橼酸钠。

20、关于改良neubauer型血细胞计数板结构叙述,哪个是错误的a、每个大方格长、宽各为1mm

b、**大方格用双线分为25个中方格c、每中方格又再分为16个小方格d、每个小格均等于1/400mm2

of work enthusiasm and forward-looking. the difficulties andproblems of individual cadres indifferent masses as the buck passing,long, make some ****** complex problems. some cadres general talk aboutpay, do not take the initiative to undertake for the bitter and tired ofthe work, the lack of courage to play a positive attitude.

" correctivemeasures: (led leadership: luo mingjun, rectification time:

beforeseptember 25th, insist for a long time) 1, effectively solve theenterprise less, help is not enough. in order to "turn style, solveproblems, and do practical things, heart to heart" as the core, inaccordance with the provisions of division of labor bureau, by thebureau of party members and cadres room composition the working group ,to help enterprises solve problems, promote the construction of majorprojects; close ties with the masses, to ask for the people, ask forpeople to know the people, public opinion, the people, improve people'slivelihood.

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