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Public health expert: Until recently people believed that

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Public health expert: Until recently people believed that [#permalink] New post 05 Oct 2012, 05:14
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35% (03:56) correct 65% (01:47) wrong based on 412 sessions
Public health expert: Until recently people believed that applications of biochemical research would eventually achieve complete victory over the microorganisms that cause human disease. However, current medical research shows that those microorganisms reproduce so rapidly that medicines developed for killing one variety will
only spur the evolution of other varieties that are immune to those medicines. The most rational public health strategy, therefore, would place much more emphasis than at present on fully informing people about the transmission of diseases caused by microorganisms, with a view to minimizing the incidence of such diseases.

Of the following, which one most accurately expresses the conclusion drawn by the public health expert?

(A) A medicine that kills one variety of disease causing microorganism can cause the evolution of a drug-resistant variety.
(B) A patient who contracts a disease caused by microorganisms cannot be effectively cured by present methods.
(C) There is good reason to make a particular change to public health policy.
(D) No one who is fully informed about the diseases caused by microorganisms will ever fall victim to those diseases.
(E) Some previous approaches to public health policy ignored the fact that disease-causing microorganisms reproduce at a rapid rate.



Can someone explain why option a is incorrect
[Reveal] Spoiler: OA
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Re: Public health expert: Until recently people believed that [#permalink] New post 05 Oct 2012, 15:05
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C is correct. Good question.

'therefore' in the last sentence is the key: The conclusion is

public health strategy would place much more emphasis <than at present> on fully informing people about blah blah

'than at present' tells us that there is scope of editing/revising the publick health strategy.

Of the following, which one most accurately expresses
the conclusion drawn by the public health expert?


(A) A medicine that kills one variety of disease causing
microorganism can cause the evolution
of a drug-resistant variety. <<< This is not conclusion. Its given in the passage as premises

(B) A patient who contracts a disease caused by
microorganisms cannot be effectively cured by
present methods. <<< Can not say this from given info

(C) There is good reason to make a particular
change to public health policy. << Correct

(D) No one who is fully informed about the diseases
caused by microorganisms will ever fall victim
to those diseases. << given info doesn't say this.

(E) Some previous approaches to public health
policy ignored the fact that disease-causing
microorganisms reproduce at a rapid rate << Partially true, but again, not conclusion. Added premises to the first sentence.
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Re: Public health expert: Until recently people believed that [#permalink] New post 05 Oct 2012, 23:00
Ppl belief: Biochem could achve vctry over micro until rec.
BUT, killing 1 -> other micro evolves
THEREFORE, MOST rational public health strat is spread INFO

(A) is an evidence Not the Point

(B) is not supported by argument; in fact, it says it can kill one micro (BUT cause others to evolve)

(C) is exactly the point (change public health policy/strategy)

(D) is extreme / not really supported by argument

(E) is not the point
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Re: Public health expert: Until recently people believed that [#permalink] New post 11 Oct 2012, 20:03
I think A only represents information of this part "However, current medical research shows that
those microorganisms reproduce so rapidly that medicines developed for killing one variety will
only spur the evolution of other varieties that are immune to those medicines"
The primary purpose of this passage is to urge a change in public health strategy
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Re: Public health expert: Until recently people believed that [#permalink] New post 12 Jul 2014, 03:55
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Public health expert: Until recently people believed that [#permalink] New post 20 Jul 2014, 19:22
I disagree - I think that this question is weak, because the passage does not give information telling us what the current health care policy is; merely that a certain tactic is more rational.
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Re: Public health expert: Until recently people believed that [#permalink] New post 04 Aug 2014, 12:44
All the questions that state 'which of the following can be concluded?' do allow paraphrase of the stimulus (where the question stimulus acts as the evidence for deriving the conclusion). Why then can we not use paraphrase of evidence here?
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Re: Public health expert: Until recently people believed that [#permalink] New post 10 Aug 2014, 10:03
gauravkaushik8591 wrote:
All the questions that state 'which of the following can be concluded?' do allow paraphrase of the stimulus (where the question stimulus acts as the evidence for deriving the conclusion). Why then can we not use paraphrase of evidence here?


This question asks you to predict the conclusion that the health expert will arrive at (not what you, the reader, can conclude). The health expert's conclusion will not be a paraphrase of the evidence (s)he cites.

Had the question asked- what can be inferred, what must be true or even what can be concluded...... I agree, paraphrased evidence would have been correct.
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Re: Public health expert: Until recently people believed that [#permalink] New post 11 Aug 2014, 03:00
It is not inference/must be true question, it is main point question that have conclusion. The correct answer should repeat conclusion not premise, so only option is C
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Re: Public health expert: Until recently people believed that [#permalink] New post 16 Sep 2014, 13:17
Can someone please advise why Option B is incorrect? The question stem wants us to rephrase the conclusion. The conclusion says that people should be careful so as to not contract any disease by micro-organisms, doesn't it mean that he is saying because there is no treatment available for diseases caused by micro-organisms (this is indicated from the premise as well).
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Re: Public health expert: Until recently people believed that [#permalink] New post 16 Sep 2014, 13:34
Can an expert please jump in and rescue us please? I am not sure whether the distinctions made above stand or not.
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Public health expert: Until recently people believed that [#permalink] New post 16 Sep 2014, 14:14
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p2bhokie wrote:
Can an expert please jump in and rescue us please? I am not sure whether the distinctions made above stand or not.


Hello.

This is a conclusion question, so it's important to understand the "purpose" of the author. Why does he explain/mention/talk about something? What he wants to suggest? What he implies? That helps to solve "conclusion" question.

Let analyze the question.

Public health expert: Until recently people believed that applications of biochemical research would eventually achieve complete victory over the microorganisms that cause human disease. However, current medical research shows that those microorganisms reproduce so rapidly that medicines developed for killing one variety will only spur the evolution of other varieties that are immune to those medicines. The most rational public health strategy, therefore, would place much more emphasis than at present on fully informing people about the transmission of diseases caused by microorganisms, with a view to minimizing the incidence of such diseases.

The blue part is the suggestion. That's the KEY. Let ask yourself why the expert suggests something? --> He wants to improve anything?

Analyze each answer choice.


Of the following, which one most accurately expresses the conclusion drawn by the public health expert?

(A) A medicine that kills one variety of disease causing microorganism can cause the evolution of a drug-resistant variety.
Wrong. It just repeats the fact and is NOT a conclusion of the public health expert.

(B) A patient who contracts a disease caused by microorganisms cannot be effectively cured by present methods.
Wrong. Out of scope. We can’t conclude that. The public health expert just says that the strategy would place more emphasis than at present on informing people about the transmission of diseases. That’s it. No comparison of how effective between a present method and that of other time period.

(C) There is good reason to make a particular change to public health policy.
Correct. This is exactly what the expert wants to say. Let ask yourself why the public health expert suggested a new strategy? The reason is, off course, the current public health policy is NOT good enough to prevent the diseases.

(D) No one who is fully informed about the diseases caused by microorganisms will ever fall victim to those diseases.
Wrong. Can’t infer that. A fully informed about the disease may be a victim to the diseases. “Informed” does not mean “100% prevented”.

(E) Some previous approaches to public health policy ignored the fact that disease-causing microorganisms reproduce at a rapid rate.
Wrong. We don’t know whether some previous approached ignored the fact that disease-causing microorganisms reproduce at rapid rate or not. We have no clue about that.

Hope it helps.
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Public health expert: Until recently people believed that [#permalink] New post 16 Sep 2014, 16:11
pqhai wrote:
p2bhokie wrote:
Can an expert please jump in and rescue us please? I am not sure whether the distinctions made above stand or not.


Hello.

This is a conclusion question, so it's important to understand the "purpose" of the author. Why does he explain/mention/talk about something? What he wants to suggest? What he implies? That helps to solve "conclusion" question.

Let analyze the question.

Public health expert: Until recently people believed that applications of biochemical research would eventually achieve complete victory over the microorganisms that cause human disease. However, current medical research shows that those microorganisms reproduce so rapidly that medicines developed for killing one variety will only spur the evolution of other varieties that are immune to those medicines. The most rational public health strategy, therefore, would place much more emphasis than at present on fully informing people about the transmission of diseases caused by microorganisms, with a view to minimizing the incidence of such diseases.

The blue part is the suggestion. That's the KEY. Let ask yourself why the expert suggests something? --> He wants to improve anything?

Analyze each answer choices.


Of the following, which one most accurately expresses the conclusion drawn by the public health expert?

(A) A medicine that kills one variety of disease causing microorganism can cause the evolution of a drug-resistant variety.
Wrong. It just repeats the fact and is NOT a conclusion of the public health expert.

(B) A patient who contracts a disease caused by microorganisms cannot be effectively cured by present methods.
Wrong. Out of scope. We can’t conclude that. The public health expert just says that the strategy would place more emphasis than at present on informing people about the transmission of diseases. That’s it. No comparison of how effective between a present method and that of other time period.

(C) There is good reason to make a particular change to public health policy.
Correct. This is exactly what the expert wants to say. Let ask yourself why the public health expert suggested a new strategy? The reason is, off course, the current public health policy is NOT good enough to prevent the diseases.

(D) No one who is fully informed about the diseases caused by microorganisms will ever fall victim to those diseases.
Wrong. Can’t infer that. A fully informed about the disease may be a victim to the diseases. “Informed” does not mean “100% prevented”.

(E) Some previous approaches to public health policy ignored the fact that disease-causing microorganisms reproduce at a rapid rate.
Wrong. We don’t know whether some previous approached ignored the fact that disease-causing microorganisms reproduce at rapid rate or not. We have no clue about that.

Hope it helps.





Thanks pqhai...the answer started to make a lot more sense...thanks again...

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Re: Public health expert: Until recently people believed that [#permalink] New post 13 Oct 2014, 10:53
Sorry for jumping in late here, but I think I can add some value. ALL (except for inferences questions) CR questions on the GMAT can be broken down into 3 buckets:

1. Descriptive Arguments
2. Ascriptive Arguments
3. Prescriptive Arguments

This is a prescriptive argument. A prescriptive argument is one that outlines a problem and prescribes a solution. The author will commonly advocate some new piece of technology, or some new method of doing a thing. They'll conclude that the new method is the best, safest, cheapest, and/or handsomest. Once you understand this, it becomes clear that the conclusion is C: "there is good reason to make a particular change to public health policy." -- REPHRASED: "there is good reason to accept my prescription."
Re: Public health expert: Until recently people believed that   [#permalink] 13 Oct 2014, 10:53
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