不是再次体液免疫的特点是() A.由记忆淋巴细胞所介导 B.产生抗原潜伏期短 C.抗

题型:单项选择题 A1型题

问题:

不是再次体液免疫的特点是()

A.由记忆淋巴细胞所介导

B.产生抗原潜伏期短

C.抗体产生滴度高

D.抗体维持时间长

E.产生亲和力较低的IgM

考点:公卫执业医师第一单元第一单元题库
题型:单项选择题 A1型题

(16~18题共用题干)男性,70岁,较长时间大便干燥,近2周来排便时疼痛伴出血;经检查,肛管皮肤全层裂开,形成溃疡,诊断为肛裂。采用坐浴等非手术治疗。

该患者肛门坐浴的水温应为

A.23~26℃

B.33~36℃

C.43~46℃

D.53~56℃

E.63~66℃

题型:单项选择题 A1型题

根据首字母或释义填空。

1. We left our hometown and moved to the big city to e______ much money.

2. When the famous singer appeared on the stage, all the f______ cheered.

3. He did it so well to win a good r______ rather than money.

4. They put an a______ in a newspaper looking for rock musicians.

5. Man has the a______ to speak.

6. They are going to give a p______ of 'Hamlet'.

7. I will see you ______ (后来).

8. As the ______ goes, "Time and tide wait for no man." (谚语)

9. The doctor is ______ an operation now.(施行)

10. He expressed it in the ______ of fiction.(形式)

题型:单项选择题 A1型题

以结合胆红素升高为主的是()

A.Dubin-Johnson综合征

B.肝细胞性黄疸

C.溶血性黄疸

D.Gilbert综合征

E.Crigler-Najjar综合征

题型:单项选择题 A1型题

全回流是回流比的上限,由于这种情况下得不到精馏产品,即生产能力为(),因此对正常生产无实际意义。

A.100%

B.75%

C.50%

D.0

题型:单项选择题 A1型题

发动机机油的作用有:()密封作用、防锈作用、防止腐蚀作用、消除冲击载荷作用。

A、润滑作用

B、清洁作用

C、冷却作用

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