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The number of new cases of tuberculosis diagnosed in Country X increas

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Re: The number of new cases of tuberculosis diagnosed in Country X increas [#permalink]

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New post 05 Oct 2015, 06:04
catalysis wrote:
srikanth12315 wrote:
B- is right
If the medical test cannot id the carrier then the medical examination report cannot bring the desired effect.

D is wrong - human contact is not the only way TB spreads. if some one with TB is allowed to enter the country he may spread the disease by other means. so medical examination of migrants which can stop 'the affected' from entering the country may be effective


I thought the same thing and also chose B.

Why is B wrong? Is it as small a detail as the fact that it says it is not capable of detecting "all" cases, but we can consider that it is ok as long as it detects some? I thought the tough choice was between B and D. Does it matter if the disease is not spread through human contact? Because what if just the presence of those people entering Country X could spread it (not sure how...maybe sneezing into the air, I don't know). Also I guess I am making the assumption that human contact = touching.


I also thought the same as you.
Human contact means touching. I did not understand that option D meant that humans are not responsible for the disease.

I thought may be through air etc , it could be transmitted.


Any help guys, human contact means what ? I am not convinced it means humans are not the source.

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Re: The number of new cases of tuberculosis diagnosed in Country X increas [#permalink]

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New post 28 Oct 2015, 01:53
B C and D are so close to the chest ;

the only reason for D is B and C can limit or reduce the spread of TB to some extent ; whereas D says that TB spreads not bcoz of human contact so in the medical examination will all be a waste .
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Re: The number of new cases of tuberculosis diagnosed in Country X increas [#permalink]

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New post 18 Nov 2015, 20:39
Guys I have a question:
As far as I know there is 2 ways to weaken an argument:
1. Attack conclusion
2. Attack premise.
If premise is not necessarily true, then the argument is weaken.
In premise we have (causal relation): case in Y increase -> case in X increase, then in answer choice A: Z is similar to X (both are neighbor of Y) did not experience any increase at all. So we can say that Premise is not necessarily true.
Someone kindly correct me :(

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Re: The number of new cases of tuberculosis diagnosed in Country X increas [#permalink]

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New post 16 Sep 2017, 23:27
vatsas wrote:
The number of new cases of tuberculosis diagnosed in Country X increased dramatically this year. The country's news media have speculated that the sharp increase in new cases is the result of the tuberculosis outbreak that occurred in neighboring Country Y last year. Health officials in Country X have therefore proposed that all visitors from Country Y must submit to a medical examination before entering Country X.

Which of the following, if true, most strongly suggests that the proposed medical examinations will NOT help curb the spread of tuberculosis in Country X?

(A) Country Z, which also neighbors Country Y, has not experienced an increase in cases of tuberculosis.
(B) Current medical technology is not capable of detecting all carriers of tuberculosis.
(C) Country X does not have the resources to examine all visitors from Country Y.
(D) Tuberculosis is not spread through human contact.
(E) Citizens of Country Y will not travel to Country X if the proposal is implemented.


OFFICIAL EXPLANATION


Because of the speculation that the tuberculosis outbreak in Country X was the result of an outbreak of tuberculosis in Country Y, health officials in Country X have proposed requiring all visitors from Country Y to undergo a medical examination. We are asked to find a choice that suggests that this proposal will not have the desired effect of curbing the spread of tuberculosis in Country X.
(A) This has no bearing on the situation between Country X and Country Y.

(B) This suggests only that the proposal would not prevent ALL cases. But even if the proposal does not prevent all cases, it could help prevent many.

(C) This suggests only that the proposal would not catch ALL carriers of the disease from Country Y. But even if the proposal does not prevent all cases, it could help prevent many.

(D) CORRECT. This suggests that the visitors from Country Y are not the source of the disease. Thus, testing them would likely do little to curb the spread of the disease.

(E) This does not suggest that the proposal will not help curb the spread of the disease. If the visitors from Country Y are indeed carriers, then their refusal to visit Country X will help curb the disease.
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Re: The number of new cases of tuberculosis diagnosed in Country X increas   [#permalink] 16 Sep 2017, 23:27

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