【题目】甲状腺功能亢进症简称“甲亢”。现分别向正常人和甲亢病人静脉注射一定剂量的促甲状腺激素释放激素(TRH)，并于注射前和注射后连续取血测定血清中促甲状腺激素(TSH)的浓度，请回答下列相关问题：
（1）通常采取抽取血样方法来检测内分泌系统的疾病，是利用激素调节具有______________的特点。注射TRH后，与正常人相比，甲亢病人的血液中TSH浓度无明显变化的原因是：甲亢病人体内高浓度的甲状腺激素对垂体产生_________________。
（2）临床上80%以上甲亢是由Graves病引起的， Graves病患者体内存在TSH受体的抗体，所以Graves病属于____________病。
（3）甲状腺功能减退症简称“甲减”。甲减患者体内甲状腺激素合成和分泌减少的原因可能有_____________________________________（填器官，有三种)功能下降。若给某甲减病人注射TRH，结果血清中TSH无明显变化，表明病变的器官可能是__________。
【答案】 （1）通过体液运输 反馈抑制
（2）自身免疫
（3）甲状腺、垂体、下丘脑 垂体
【解析】试题分析：本题主要考查甲状腺激素的分级调节和反馈调节、免疫调节的综合性考查，通过分析甲状腺激素的分级调节和反馈调节过程，再结合题干问题进行解答。
（1）通常采取抽取血样方法来检测内分泌系统的疾病，是利用激素调节具有通过体液运输的特点；注射TRH后，正常人血清TSH明显升高的原因是TRH含量的增加会促使垂体分泌TSH增加；而甲亢病人无TSH升高反应，其原因是高浓度的甲状腺激素对垂体产生强烈的反馈抑制作用。
（2）从免疫角度分析，患者“敌我不分”地将自身物质当外来异物进行攻击而引起的疾病称为自身免疫病。
（3）下丘脑产生促甲状腺激素释放激素作用于垂体，促进垂体分泌促甲状腺激素，促甲状腺激素作用于甲状腺，促进甲状腺激素的合成和分泌，所以甲减患者体内甲状腺激素合成和分泌减少的原因可能是甲状腺、垂体、下丘脑功能下降；垂体分泌促甲状腺激素（TSH），某病人体内甲状腺激素偏低，当注射TRH后血清中TSH无反应，表明病变的器官可能是垂体。
科目：高中地理 来源： 题型：
【题目】听一段材料，回答下面几个小题。
【1】Why does the man make the call?
A. To ask for information.
B. To make an appointment.
C. To send out an invitation.
【2】What sport is the man interested in?
A. Football. B. Basketball. C. Swimming.
【3】On what days is the sports center closed?
A. Mondays. B. Fridays. C. Sundays.
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】有三种物质AC2、B2C2、AD4,元素A的最高正价和负价绝对值相等;元素B的单质能在C的气态单质中剧烈燃烧,火焰呈黄色,并生成淡黄色固体B2C2;元素D的负一价阴离子的电子层结构与氩原子的相同,则:
(1)A、B、C、D的元素名称分别为 、 、 、 。
(2)AD4分子中含有的共价键类型为 (填“σ键”或“π键”)。
(3)D的负一价阴离子的电子排布式为 ,B2C2的电子式为 ,属 (填“离子化合物”或“共价化合物”)。
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】B
The BBC was founded in 1922, including radio and television services. It is based at Broadcasting House in London.
The BBC is controlled by some governors chosen by the government, but these people have freedom and the government can’t interfere(干扰). That is, the BBC is supposed not to be the mouthpiece(代言人)of the government. It has to be as fair as possible in giving radio and television time to, for example, political parties and religious groups.
There is a kind of interesting service in Britishrental services. Many people prefer to rent their television sets instead of buying them.
The rent for a black and white set is about 80 pence a week. The rent of a color set is more than twice that of a black and white set. If the sets go wrong, people can have them repaired free of charge or replaced immediately.
Everyone has to buy a yearly license, since there is no advertising on BBC radio or television. It is from the sale of licenses that the BBC gets most of its money. A license for a black and white set costs 8 pounds, and for a color set 18 pounds a year.
There are four special radio channels, which broadcast different kinds of programmes. Radio 1 is mainly pop music. Radio 2 deals with light music, sports and other programmes. Radio 3 broadcasts serious music, talks on serious subjects, etc. News broadcasts are mainly given by Radio 4.
There are special programmes for Northern Ireland, Scotland, Wales, and certain parts of England.
【1】The officials in charge of the BBC ____________.
A. must say what the government wants to say
B. should give more time to political parties than to religious groups
C. are elected by the citizens from all over the country
D. can decide things without the permission of the government
【2】 If one wants to watch TV at home, everyone ____________.
A. has to buy a television set of his own
B. must rent a TV set
C. has to buy a license once a year
D. can change his damaged TV set for a new one without payment
【3】How does BBC get most of its money?
A. It gets money from all kinds of advertisements.
B. The BBC depends on the rent of TV sets.
C. The BBC gets money mainly by selling licenses and TV sets.
D. It gets its money mainly by selling licenses.
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】完成句子
1. They talked so much ________ ________ they ________ friends.
他们谈了很多就好像是朋友似的。
2. ________ ________, you should be honest with me.
最重要的是，你应该对我说实话。
3. He likes ________ ________ ________ others.
他喜欢开别人的玩笑。
4. We must ________ ________ the good apples from the bad ones.
我们必须把好苹果与坏苹果分开。
5. He ________ ________ ________ ________ the pool.
他把手浸入池子里。
6. Believe it or not, I don’t like _______________________he spoke to me.
信不信由你，我不喜欢他对我讲话的方式。
7. He borrowed a book the other day, _______________________ is a worker.
那天他借了一本书，书的作者是一名工人。
8. Thank you for your help, _______________________we could not have finished the work on time.
感谢你的帮助，没有你的帮助我们不可能按时完成工作。
9. Who do you suppose is the man _______________________ our teacher is talking?
你知道正在和我们老师谈话的人是谁吗？
10. The reason _______________________ I bought the roses is that Mary likes them.
我买玫瑰的原因是玛丽喜欢。
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】Recently I was frustrated that my essay was rejected by a newspaper．________, I had my wallet picked on the bus on the way home．
A．To be honest
B．To make matters worse
C．To tell you the truth
D．Believe it or not
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】听一段材料，回答下面几个小题。
【1】What kind of car does the man want to buy?
A. Lincoln MS 560.
B. Lincoln MF 558.
C. Lincoln MF 650.
【2】What does the woman say about the sceond-hand car?
A. It's in good condition.
B. It's in poor condition.
C. It's expensive.
【3】How much does the man have to pay if he wants to get the car?
A. $3,500.
B. $3,015.
C. $3,050.
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】When should the man place his call to Houston?
A. At 8:00. B. At 10:00. C. At 12:00.
查看答案和解析>>
科目：高中地理 来源： 题型：
【题目】听一段材料，回答下面几个小题。
【1】What is the speaker talking about in the news?
A. The no-smoking law.
B. A city in the U.S.
C. Smoking and heart attack.
【2】What does the doctor think of the no-smoking law?
A. It makes no sense.
B. It's good for the public.
【3】How many people suffered from heart attack in the 18 months before the law was passed?
A. Nearly three hundred.
B. A little more than two hundred.
C. Nearly five hundred.
查看答案和解析>>
湖北省互联网违法和不良信息举报平台 | 网上有害信息举报专区 | 电信诈骗举报专区 | 涉历史虚无主义有害信息举报专区 | 涉企侵权举报专区
违法和不良信息举报电话：027-86699610 举报邮箱：58377363@163.com