一个生物样品的含氮量为5%,它的蛋白质含量正确的是() A.8.80% B.12.5

题型:单项选择题 A1型题

问题:

一个生物样品的含氮量为5%,它的蛋白质含量正确的是()

A.8.80%

B.12.50%

C.16.0%

D.38.0%

E.31.25%

考点:病理学技术(主管技师)生物化学生物化学题库
题型:单项选择题 A1型题

患者,女,52岁,血压140/90mmHg,自述工作紧张,有头痛、失眠等不适,健康指导重要的是()。

A.促进身心休息为主

B.尽早应用降压药

C.每日观察血压

D.卧床休息不活动

E.药物为主,休息为辅

题型:单项选择题 A1型题

在如图所示的电路中,电源电压保持不变。当电键S闭合后,电压表V的示数始终为电源电压。若电路中只有一处故障,且只发生在电阻R或灯泡L处,则在下列方法中,不能直接判断出故障的是[ ]

A.在电路中串联一个完好的电流表

B.用一个完好的电流表替换灯泡L

C.用一个完好的小灯泡替换灯泡L

D.用一根完好的导线替换灯泡L

题型:单项选择题 A1型题

Norman Cousins was a businessman from the United States who often traveled around the world on business. He enjoyed his ___1___ and traveling.

Then, after returning to the United States from a ___2___ trip to the Union of Soviet Socialist Republic(USSR), Mr. Cousins got sick. Because he had pushed his body to the ___3___ of its strength on the trip, a change began to take place ___4___ him. The material between his bones became ___5___.

In less than one week after his return, he could not ___6___. Every move that he ___7___ was painful. He was not able to sleep at night. The doctors told him that they did not know how to cure Mr. Cousins’ problem and he might never ___8___ over the illness. Mr. Cousins, however, refused to give up ___9___ Mr. Cousins thought that ___10___ thoughts were causing bad chemical changes in his body. He did not want to take medicine to cure himself. ___11___, he felt that happy thoughts or ___12___ might cure his illness.

He began to ___13___ on himself while still in the hospital by watching funny shows on television. Mr. Cousins quickly found that 10 minutes of real laughter during the ___14___ gave him two hours of pain-free sleep at night. ___15___ the doctors could not help him, Mr. Cousins left the hospital and checked into a hotel room where he could ___16___ his experiments with laughter. For eight days, Mr. Cousins rested in the hotel room watching funny shows on television, reading funny books, and sleeping ___17___ he felt tired. Within three weeks, he felt well ___18___ to take a vacation to Puerto Rico where he began running on the beach for ___19___. After a few months,   Mr. Cousins returned     to work. He had laughed himself back to ___20___.

1. A. time       B. holiday      C. sleep   D. work

2. A. boring    B. tiring  C. dangerous   D. pleasant

3. A. top  B. degree C. problem     D. limit

4. A. from      B. around       C. inside  D. beside

5. A. weak      B. ill       C. false   D. painful

6. A. speak     B. breathe       C. stand   D. see

7. A. made      B. did     C. took    D. gave

8. A. look       B. get      C. turn    D. think

9. A. effort     B. hope   C. treatment    D. arrangement

10. A. foolish  B. unusual      C. funny  D. unhappy

11. A. Instead  B. however     C. Therefore   D. Otherwise

12. A. sleep    B. travel  C. laughter     D. television

13. A. rescue   B. operate       C. try      D. experiment

14. A. day      B. week   C. month D. year

15. A. Promising    B. Deciding    C. Doubting    D. Recognizing

16. A. invent   B. begin  C. continue     D. prove

17. A. until     B. whenever   C. unless D. so that

18. A. soon     B. completely C. slowly D. enough     

19. A. exercise       B. illness C. rest     D. pleasure

20. A. power   B. sense   C. health D. happiness

题型:单项选择题 A1型题

一定量的理想气体,如果在压力保持不变的情况下对其加热,气体的比容(容积)和绝对温度成正比,此过程称为()。

A.绝热过程

B.等容过程

C.等压过程

D.等温过程

题型:单项选择题 A1型题

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