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习题练习:SL Topic C3.2 Defence against disease



 作者: admin   总分: 12分  得分: _____________

答题人: 匿名未登录  开始时间: 25年02月01日 00:08  切换到: 整卷模式

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1#
 
单选题 ( 1.0 分) (组内1/4) 切至整卷模式 搜藏此题  
第 1 题组 (共 4 题 4 分)
  1. Why are phagocytes regardedn:oh 5 /(frc+ baqbtl, as a component of the innate immune system?

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2#
 
单选题 ( 1.0 分) (组内2/4) 切至整卷模式 搜藏此题  
  2. Which of the following processes occur in B-cells on infection of a hiltp su98czy*l.,o e h4rs02cuman by a pathogeh2pcsyui*9t,re c4oll80s .z n?
I They are activated by contact with a helper T-cell.
II They are activated by contact with an antigen.
III They can differentiate to produce antibodies.
IV They divide rapidly by mitosis.

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3#
 
单选题 ( 1.0 分) (组内3/4) 切至整卷模式 搜藏此题  
  3. Which of the following are conp5 sghmu.t( yl+7vkw8sequences of infection with the HIV virus?
I Destruction of all lymphocytes.
II Reduced resistance to opportunistic infections.
III The body does not produce antibodies.
IV Destruction of some types of lymphocytes

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4#
 
单选题 ( 1.0 分) (组内4/4) 切至整卷模式 搜藏此题  
  4. Why do antibiotics destroy bact)*w:mxc8efd,g nh ,j ztg,5z cowh*(xeria but do not affect viruses?

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5#
 
问答题 ( 1.0 分) (组内1/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第1/6题
题组内容描述:
5. The percentage of children vaccinated against measles worldwide and the incidence of the disease itself are outlined in the following table (source WHO):
a. Describe the relationship between the incideqwoda-5gt,p - s5n.iw nce of measles infections and the percentage of isgp5 wd oa. w-q5,tn-the population immunised.
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6#
 
问答题 ( 1.0 分) (组内2/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第2/6题
题组内容描述:
5. The percentage of children vaccinated against measles worldwide and the incidence of the disease itself are outlined in the following table (source WHO):
b. Calculate the increase in tq8;z 4ccikvu/ he percentage of the worldwide population vaccinated between 1980ui czv4k; /cq8 and 1990
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7#
 
问答题 ( 1.0 分) (组内3/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第3/6题
题组内容描述:
5. The percentage of children vaccinated against measles worldwide and the incidence of the disease itself are outlined in the following table (source WHO):
c. Suggest one reason for the decline in the percentage of the popul pa28pnqk;,jrcbb: + yation immunised between 1990 and 19cqy +prb,nj8kabp 2;: 95.
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8#
 
问答题 ( 1.0 分) (组内4/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第4/6题
题组内容描述:
5. The percentage of children vaccinated against measles worldwide and the incidence of the disease itself are outlined in the following table (source WHO):
d. Does the data tend to support the hypothesis thakr/ z gax*)d;ht the use of a vaccination can completely eradicate a diseaazg;k/*x hd r)se?
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9#
 
问答题 ( 1.0 分) (组内5/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第5/6题
题组内容描述:
5. The percentage of children vaccinated against measles worldwide and the incidence of the disease itself are outlined in the following table (source WHO):
e. A single vaccination is 93% effective and twesik ;ng 1ftm**ewk4f5no1l)s hjk- :o vaccinations given six months apart are 97% efk nhws1ofsl1ng5 imj4 ke *e: kt;-f*)fective in producing immunisation. (Source – Center for Disease Control, Atlanta, USA, 2014 figures). Explain why a second vaccination can increase the effectiveness of immunisation.
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10#
 
问答题 ( 1.0 分) (组内6/6) 切至整卷模式 搜藏此题  
第 2 题组 (共 6 题 6 分) 当前第6/6题
题组内容描述:
5. The percentage of children vaccinated against measles worldwide and the incidence of the disease itself are outlined in the following table (source WHO):
f. Outline how the concept of herd immunity applies t1m8 f- bcxbfrh ,0,vyro mass vaccination against a disea8b vbfmxhcf, ,rr10 y-se.
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11#
 
问答题 ( 1.0 分) (组内1/2) 切至整卷模式 搜藏此题  
第 3 题组 (共 2 题 2 分)
6. Outline the process by which damaged skin can be sedl qp 4py5e()5f+x.smh7 hba ;xb 2tjes *vlb0aled by the blood forming a f .s2sh)j x7yt 4 *mpqbhvpleab(+x0d5lb;5eclot.
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12#
 
问答题 ( 1.0 分) (组内2/2) 切至整卷模式 搜藏此题  
7. Resistance to multiple antibiotics (Multiresistanceal d)mtqds0/oi pprfz6be-7 1 6-el. s) is increasing in bacterial pathogen populations. Outline a reason for the increase in bacterial resispf a0bi em.q sz-tp s6dd/eo 1)ll6r-7tance and one way in which research may be able to develop new treatments for bacterial infections.
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