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Researchers have noticed that people whose blood shows abnormally low

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Researchers have noticed that people whose blood shows abnormally low  [#permalink]

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New post 08 Oct 2006, 21:29
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Researchers have noticed that people whose blood shows abnormally low levels of calcium usually have laryngeal polyps, which can permanently damage vocal cords and result in partial or even total loss of voice. In order to prevent the polyps, the researchers recommend a diet high in calcium-rich foods such as dairy and green, leafy vegetables.

Which of the following, if true, most strongly suggests that it would not be advisable to follow the researchers'


(A) Dairy contains compounds that are difficult for many people to digest.

(B) Laryngeal polyps sometimes disappear without treatment.

(C) Laryngeal polyps cause a change in body chemistry that blocks the absorption of calcium.

(D) Fresh vegetables are not always available in all seasons.

(E) Low levels of calcium can sometime be remedied with vitamin pills.
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Re: Researchers have noticed that people whose blood shows abnormally low  [#permalink]

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New post 10 Oct 2006, 11:37
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Yes I agree with ucsfcsguy ... I was of the same opinion that eating diet rich in calcium will not "prevent" polyps if you already have it.

But I think the question is trying to emphasise on the reversal of cause and effect here.

It is not the calcium deficiency that causes polyps.
Polyps reduces calcium absorption (leading to the deficiency perhaps).

So the prevention and cure for polyps is not "intake of calcium rich diet" but something else. Hence it is not advisable to follow the researcher's plan because calcium deficiency is not the source of the problem. And C suggests this.

A is too general and besides I find that for strengthen/weaken questions, answer choices that have ambiguous words like 'many', 'some', 'sometimes' are generally not the correct answer choices because they indicate that the answer choice might hold true in some situations while not in others. Therefore these answer choices don't "most strongly" strengthen or weaken a conclusion. For this reason I would eliminate A.
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Re: Researchers have noticed that people whose blood shows abnormally low  [#permalink]

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New post 08 Oct 2006, 22:06
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Yes it is still (C).The low levels of calcium is because the disease does not allow the body to absorb calcium.

This is a cause-effect type of question where the cause and effect roles have been reversed.

Low levels of calcium-----Disease.(according to question)

But (C) says Disease-----Low levels of calcium
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Re: Researchers have noticed that people whose blood shows abnormally low  [#permalink]

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New post 19 Jun 2011, 07:06
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C

Since Laryngeal polyps blocks the absorption of calcium, the diet would not be effective.

siddhans wrote:
Is this a flaw or a weaken question? How to identify this? Whats the main difference between the two ? and their approaches? How to use elimination to solve this? Please provide detailed explanation.

Researchers have noticed that people whose blood shows abnormally low levels of calcium usually have laryngeal polyps, which can permanently damage vocal cords and result in partial or even total loss of voice. In order to reduce the risk of polyps, the researchers recommend a diet high in calcium-rich foods such as dairy and green, leafy vegetables.

Which of the following, if true, most strongly suggests that following the researchers' recommendation would NOT be effective?

a)Dairy contains compounds that are difficult for many people to digest.

b)Laryngeal polyps sometimes disappear without treatment.

c)Laryngeal polyps cause a change in body chemistry that blocks the absorption of calcium.

d)Fresh vegetables are not always available in all seasons.

e)Low levels of calcium can sometimes be remedied with vitamin pills.
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Re: Researchers have noticed that people whose blood shows abnormally low  [#permalink]

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New post 19 Jun 2011, 17:36
C declares that poly causes low calcium and weakening. C is typical causal weakener. if argument said that X creates Y, weakener can say Y creates X.
B a weakener of the type no x but y still exist.

D is correct.

the book CRITICAL REASONING BIBLE is wonderful for this causal relation.

EXCEPT question required you to read well but contains no trick answer choice and so never be 700 level question.
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Re: Researchers have noticed that people whose blood shows abnormally low  [#permalink]

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New post 05 Aug 2011, 11:34
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thangvietnam wrote:
C declares that poly causes low calcium and weakening. C is typical causal weakener. if argument said that X creates Y, weakener can say Y creates X.
B a weakener of the type no x but y still exist.

D is correct.

the book CRITICAL REASONING BIBLE is wonderful for this causal relation.

EXCEPT question required you to read well but contains no trick answer choice and so never be 700 level question.


The argument says dairy and green, leafy vegetables so even if vegetables are not available the argument does not say anything about dairy.....
I think C is a better option.
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Re: Researchers have noticed that people whose blood shows abnormally low  [#permalink]

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New post 24 Aug 2012, 20:56
mailtheguru wrote:
Researchers have noticed that people whose blood shows abnormally low levels of calcium usually have laryngeal polyps, which can permanently damage vocal cords and result in partial or even total loss of voice. In order to prevent the polyps, the researchers recommend a diet high in calcium-rich foods such as dairy and green, leafy vegetables.

Which of the following, if true, most strongly suggests that it would not be advisable to follow the researchers'

(A) Dairy contains compounds that are difficult for many people to digest.
(B) Laryngeal polyps sometimes disappear without treatment.
(C) Laryngeal polyps cause a change in body chemistry that blocks the absorption of calcium.
(D) Fresh vegetables are not always available in all seasons.
(E) Low levels of calcium can sometime be remedied with vitamin pills.


I am wondering how the OA - could be correct???
In the Stimulus, the researchers are discussing ways to reduce the risk (i.e preventing the disease than curing the disease), but the OA provides after effects of the disease than preventing. Isn't something wrong with the OA.

Experts please help.
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Re: Researchers have noticed that people whose blood shows abnormally low  [#permalink]

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New post 24 Aug 2013, 23:38
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navigator123 wrote:
I am wondering how the OA - could be correct???
In the Stimulus, the researchers are discussing ways to reduce the risk (i.e preventing the disease than curing the disease), but the OA provides after effects of the disease than preventing. Isn't something wrong with the OA.


Hi navigator123,

The stimulus says that low calcium causes laryngeal polyps (low calcium -> laryngeal polyps)
but if we can prove that relation b/w cause and effect are in opposite way i.e. if we prove that (laryngeal polyps -> low calcium) then the researcher's reccomendation will not be effective.
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Re: Researchers have noticed that people whose blood shows abnormally low  [#permalink]

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New post 27 Aug 2018, 19:14
I took A. The reason I rejected C is that the argument is saying about the prevention of the disease but option C is talking about what happens when disease is to be cured. Since prevention of a disease can be done before the onset of disease I took C as out of scope.
Kindly help.
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Re: Researchers have noticed that people whose blood shows abnormally low  [#permalink]

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New post 27 Aug 2018, 22:09
nipun21 wrote:
I took A. The reason I rejected C is that the argument is saying about the prevention of the disease but option C is talking about what happens when disease is to be cured. Since prevention of a disease can be done before the onset of disease I took C as out of scope.
Kindly help.
This is classic case of co-relation leading to causation.
Imagine if I say - - - people who are on gmat club scores 700+

You make a conclusion that gmat club is the reason why people score 700+

One guy comes over and tell that only 700+ candidates are present on GC.

Is this not weakling your conclusion. Just because two things exist together does not mean one caused the other.



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Re: Researchers have noticed that people whose blood shows abnormally low &nbs [#permalink] 27 Aug 2018, 22:09
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