OBese小鼠的特征表现为()。

题目
单选题
OBese小鼠的特征表现为()。
A

常染色体隐性多基因遗传。

B

纯合体和杂合体小鼠呈现肥胖症状。

C

给动物使用四氧嘧啶、链脲佐菌素也可改善肥胖症的症状。

D

血胰岛素水平升高,血糖含量升高。

参考答案和解析
正确答案: A
解析: 暂无解析
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相似问题和答案

第1题:

Questions 88-90 refer to the following advertisement.
Obese people are less productive in the workplace and more prone to injury, a study claims. The researchers say their findings were so extreme that overweight people may need to take longer breaks to recover from the strains of work. They assessed how long it took for people of various sizes to perform certain tasks in the workplace. Obese people had, on average, 40 per cent shorter endurance times.
The study, conducted at Virginia Tech and the University at Buffalo in the U.S., examined the endurance of 32 people in four categories: non-obese young, obese young, non-obese older, and obese older. Each of them completed three tasks that involved a range of skills: hand grip, shoulder elevation, and a simulated assembly operation. Every task involved periods of work and rest, and included a level of activity similar to manufacturing settings.
The number of people who are obese has doubled over the past three decades-and has been linked to higher rates of workplace injury and a greater number of days of sick. ‘Workers who are obese may need longer rest breaks to return to their initial state of muscle function,’ said Dr Cavuoto. Based on the increased fatigue found
among workers who are obese, workplace designers may need to consider adding fixtures and supports to minimize the amount of time that body mass segments need to be supported. ‘We believe our results will help to develop more inclusive ergonomic guideline,’ she added. The researchers also looked at the effect of obesity and age on endurance times.
Previous research has indicated that both age and obesity hamper mobility-particularly when it comes to walking and low-energy tasks. But the researchers in this study, published in the Journal of Occupational and Environmental Hygiene, found no such link.

What is the finding supported by the previous study but not the present study?

A. Obese people are less productive in work
B. Obese people find it hard to recover from strain
C. Obese people are more likely to get injured
D. Obese people suffer from poor mobility

答案:D
解析:
细节题。定位到最后一段第一句提到“Previous research has indicated that both age and obesity hamper mobility”(之前的研究表明年龄和肥胖都会妨碍到一个人的移动性),即肥胖会带来行动的不变,所以D 想符合这一意义,poor 照应了原文中的hamper 一词。

第2题:

感染淋巴细胞性脉络丛脑膜炎的小鼠,大脑型特征性的表现是抓着尾巴倒提时,小鼠头部震颤,肢体阵挛性惊厥,最终表现为()。

  • A、后肢强直性伸展
  • B、立即死亡
  • C、肢体旋转
  • D、尾巴脱落

正确答案:A

第3题:

在杂交瘤技术中,免疫小鼠应优先选用何种品系的小鼠

A.NZW小鼠

B.Balb/c小鼠

C.NZB小鼠

D.C57BL/6小鼠

E.NZX小鼠


正确答案:B

第4题:

胸腺是()细胞分化成熟的场所,新生期摘除胸腺的小鼠通常表现为()功能缺陷。


正确答案:T细胞;细胞免疫

第5题:

KM小鼠、BALB/c小鼠等是常用的封闭群小鼠。


正确答案:错误

第6题:

Questions 88-90 refer to the following advertisement.
Obese people are less productive in the workplace and more prone to injury, a study claims. The researchers say their findings were so extreme that overweight people may need to take longer breaks to recover from the strains of work. They assessed how long it took for people of various sizes to perform certain tasks in the workplace. Obese people had, on average, 40 per cent shorter endurance times.
The study, conducted at Virginia Tech and the University at Buffalo in the U.S., examined the endurance of 32 people in four categories: non-obese young, obese young, non-obese older, and obese older. Each of them completed three tasks that involved a range of skills: hand grip, shoulder elevation, and a simulated assembly operation. Every task involved periods of work and rest, and included a level of activity similar to manufacturing settings.
The number of people who are obese has doubled over the past three decades-and has been linked to higher rates of workplace injury and a greater number of days of sick. ‘Workers who are obese may need longer rest breaks to return to their initial state of muscle function,’ said Dr Cavuoto. Based on the increased fatigue found
among workers who are obese, workplace designers may need to consider adding fixtures and supports to minimize the amount of time that body mass segments need to be supported. ‘We believe our results will help to develop more inclusive ergonomic guideline,’ she added. The researchers also looked at the effect of obesity and age on endurance times.
Previous research has indicated that both age and obesity hamper mobility-particularly when it comes to walking and low-energy tasks. But the researchers in this study, published in the Journal of Occupational and Environmental Hygiene, found no such link.

Which of the following statements is true according to the article?



A. The subjects of the study are of all ages
B. The number of obese people has been on the increase
C. The tasks involved takes place in real work situation
D. The study has lasted over three decades

答案:B
解析:
细节题。文章第二段第一句即提到“The number of people who are obese has doubled over the past three decades”(过去的30 年中肥胖人群的数量翻了一倍),也就是说肥胖人群的数量一直在增加。故选B。

第7题:

在杂交瘤技术中,免疫小鼠应优先选用何种品系的小鼠()。

  • A、NZW小鼠
  • B、Balb/c小鼠
  • C、NZB小鼠
  • D、C57BL/6小鼠
  • E、NZX小鼠

正确答案:B

第8题:

杂交瘤技术应用的2种细胞是

A、免疫的小鼠脾细胞和免疫的小鼠骨髓瘤细胞

B、免疫的小鼠脾细胞和小鼠骨髓瘤细胞

C、小鼠脾细胞和小鼠骨髓瘤细胞

D、小鼠脾细胞和免疫的小鼠骨髓瘤细胞

E、免疫小鼠脾细胞和小鼠骨髓细胞


参考答案:B

第9题:

大、小鼠感染流行性出血热多表现为隐性感染,一般无临床症状。


正确答案:正确

第10题:

小鼠肝炎病毒感染的临床表现为:()。

  • A、肝炎
  • B、脑炎
  • C、肠炎
  • D、以上都是

正确答案:D

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