The number of new cases of tuberculosis diagnosed in Country : GMAT Critical Reasoning (CR)
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# The number of new cases of tuberculosis diagnosed in Country

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The number of new cases of tuberculosis diagnosed in Country [#permalink]

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21 Sep 2011, 08:03
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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.

I am confused between D and A.

Thanks
Sumeet
[Reveal] Spoiler: OA

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21 Sep 2011, 08:14
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.

I am confused between D and A.

Thanks
Sumeet

Please search so as to avoid repeated postings. This question is already discussed here:
cr-turbeculosis-cases-65074.html

How to search:
common-posting-ethics-119627.html
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21 Sep 2011, 23:16
I think it should be D. its a simple case of cause and effect. if cause is not through human contact then why do waste resource on human examination at border?

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.

I am confused between D and A.

Thanks
Sumeet
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22 Sep 2011, 04:38
D it is.. A is wrong..
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24 Sep 2011, 21:26
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.

Which option weakens the conclusion?
Conclusion: impose medical exam on Ctry Y visitors to curb spread of TB in Ctry X

A - irrelevant
B - does not necessarily weaken conclusion --> if medical technology is able to detect most TB carriers, it may help aplenty!
C - does not necessarily weaken conclusion --> if there is sufficient resources to detect most ctry Y visitors, it may help aplenty!
D - okay...so if TB is not spread through human contact but by other means, medical exams would do nought for us in terms of curbing the TB spread. Hold!
E - better still! Strengthens.

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25 Sep 2011, 11:12
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
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26 Sep 2011, 05:52
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.

I am confused between D and A.

Thanks
Sumeet

OA should be D
Tuberculosis does not spread through human contact. So even if humans from country Y contaminated with Tuberculosis are not allowed to enter Country X, Tuberculosis will still propagate via other carriers. Hence, the proposed medical examinations will NOT help curb the spread of tuberculosis in Country X
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26 Sep 2011, 13:18
Even i shortlisted A and D...

A because it has no impact on the stimulus and slightly weakening it...

D because it is directly contradicting the stimulus...

Hence D should be the answer
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Re: The number of new cases of tuberculosis diagnosed in Country [#permalink]

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14 Apr 2012, 15:46
A. does not build a connection between y and x. I chose this answer at first too. I made the assumption or looked too quickly and thought z was next to x rather it is next to Y.
D is correct because if the cause to the disease is not human contact then getting medical examinations would be useless when trying to prevent the spread of it.
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11 Dec 2013, 11:24
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.
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Re: The number of new cases of tuberculosis diagnosed in Country [#permalink]

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05 Oct 2015, 05:04
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.
Re: The number of new cases of tuberculosis diagnosed in Country   [#permalink] 05 Oct 2015, 05:04
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