下列哪项是细胞表面粘附分子的测定方法()A.ELISA B.RIA C.流式细胞仪

题型:单项选择题

问题:

下列哪项是细胞表面粘附分子的测定方法()

A.ELISA

B.RIA

C.流式细胞仪

D.PCR

E.RT-PCR

考点:临床医学检验六、免疫细胞、细胞因子及粘附分子检测及应用六、免疫细胞、细胞因子及粘附分子检测及应用题库
题型:单项选择题

此题要求改正所给短文中的错误。对标有题号的每一行做出判断:如无错误,在该行右边横线上画一个勾(√);如有错误(每行只有一个错误),则按下列情况改正:

此行多一个词:把多余的词用斜线(\)划掉,在该行右边横线上写出该词,并也用斜线划掉。此行缺一个词:在缺词处加一个漏字符号(∧),在该行右边横线上写出该加的词。

此行错一个词:在错的词下划一横线。在该行右边横线上写出改正后的词。

注意:原行没有错的不要改。

I went to see the film after supper. On my way to the

cinema, I met an English woman, she lost her way.

I gave up the chance see the film and took her to her

hotel. While go there, I told her about great changes

that had been taken place in the past few years

and she had told me something about her country.

Although I missed the film, but I still felt very happy, for

I not only helped her out of trouble but practiced

my spoken English. If I had not worked hard on

English, I would not have been able to help him.

题型:单项选择题

钠的下列用途正确且与钠的化学性质无关的是[ ]

①与钾形成的合金可作原子反应堆的导热剂 ②制取Na2O2 ③冶炼钛、锆、铌、钽等金属 ④应用于电光源上 ⑤制取NaOH及NaCl等钠的化合物 ⑥可用于验证乙醇的分子结构

A.①④

B.②③⑥

C.⑤

D.以上答案均不正确

题型:单项选择题

患者,女,28岁。近2周来感颈前及咽部疼痛,伴怕热、心慌、多汗,全身乏力不适就诊。体检:体温38℃,消瘦、皮肤多汗。无突眼。甲状腺一度肿大,左侧有压痛。杂音(-),双手细微震颤(+)。

对于本病的治疗,下列哪项是不合理的()

A.口服阿司匹林

B.糖皮质激素

C.吲哚美辛

D.抗甲状腺药物

E.中草药

题型:单项选择题

消化性溃疡并上消化道大出血的特点,不正确的是()

A.定有呕血

B.定有黑便

C.呕血常为咖啡色

D.出血后疼痛减轻

E.出血后可有发热及氮质血症

题型:单项选择题

以下对HPLC六通阀的进样方式的优点的描述,错误的是()。

A.定量准确

B.进样重复性好

C.操作方便

D.能注入大体积样品

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