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Though sucking zinc lozenges has been promoted as a

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Though sucking zinc lozenges has been promoted as a [#permalink] New post 11 Nov 2008, 14:52
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A
B
C
D
E

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Though sucking zinc lozenges has been promoted as a treatment for the common cold,
research has revealed no consistent effect. Recently, however, a zinc gel applied nasally
has been shown to greatly reduce the duration of colds. Since the gel contains zinc in the
same form and concentration as the lozenges, the greater effectiveness of the gel must be
due to the fact that cold viruses tend to concentrate in the nose, not the mouth.
In order to evaluate the argument, it would be most helpful to determine which of the
following?
A. Whether zinc is effective only against colds, or also has an effect on other virally
caused diseases
B. Whether there are remedies that do not contain zinc but that, when taken orally,
can reduce the duration of colds
C. Whether people who frequently catch colds have a zinc deficiency
D. Whether either the zinc gel or the lozenges contain ingredients that have an
impact on the activity of the zinc
E. Whether the zinc gel has an effect on the severity of cold symptoms, as well as on
their duration
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Re: CR: GMAT Set 29 - 27 [#permalink] New post 11 Nov 2008, 14:59
I am stuck in B and E....will go with B
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Re: CR: GMAT Set 29 - 27 [#permalink] New post 11 Nov 2008, 15:26
B for me too ....

conclusion in "cold viruses are in the Nose not the mouth "

to evaluate this we shud know how far is this statement true.

if some other medicine can act Orally equally good as the " Gel in the nose " then we have a clear picture.
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Re: CR: GMAT Set 29 - 27 [#permalink] New post 11 Nov 2008, 21:49
(D) because Zinc may be an effective cure of cold but other ingredients are suppressing the effectiveness when it is taken orally.
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Re: CR: GMAT Set 29 - 27 [#permalink] New post 11 Nov 2008, 22:07
Another B. It affects the conclusion if it gets negated.
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Re: CR: GMAT Set 29 - 27 [#permalink] New post 11 Nov 2008, 23:03
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Though sucking zinc lozenges has been promoted as a treatment for the common cold,
research has revealed no consistent effect. Recently, however, a zinc gel applied nasally
has been shown to greatly reduce the duration of colds. Since the gel contains zinc in the
same form and concentration as the lozenges, the greater effectiveness of the gel must be
due to the fact that cold viruses tend to concentrate in the nose, not the mouth.

In order to evaluate the argument, it would be most helpful to determine which of the
following?

A. Whether zinc is effective only against colds, or also has an effect on other virally
caused diseases
Eliminate: Out of scope "other virally caused diseases"
B. Whether there are remedies that do not contain zinc but that, when taken orally,
can reduce the duration of colds
Same reasoning as A.
C. Whether people who frequently catch colds have a zinc deficiency
Eliminate: We're not talking about the chances of zinc deficiency, the stimulus only talks about zinc being a treatment.
D. Whether either the zinc gel or the lozenges contain ingredients that have an
impact on the activity of the zinc
My choice. Yes, if there is an ingredient that has an effect on the activity of zinc, the conclusion does not follow. We would not know whether the virus lives in the nose or mouth. Inversely, if there is no ingredient in the cold medication that has an impact on zinc then the conclusion would follow.
E. Whether the zinc gel has an effect on the severity of cold symptoms, as well as on
their duration
We're only talking about zinc being able to treat the cold. We're not comparing degrees of treatment.
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Re: CR: GMAT Set 29 - 27 [#permalink] New post 11 Nov 2008, 23:44
My choice also would be D. Whats the QA ?
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Re: CR: GMAT Set 29 - 27 [#permalink] New post 12 Nov 2008, 00:58
IMO E
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Re: CR: GMAT Set 29 - 27 [#permalink] New post 12 Nov 2008, 06:29
OA D
Thanks for attempts!
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Re: CR: GMAT Set 29 - 27 [#permalink] New post 15 Feb 2009, 03:38
nice question. D is clear.
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Re: CR: GMAT Set 29 - 27 [#permalink] New post 15 Feb 2009, 05:38
I'm not convinced with D

Do you have the OE?

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Re: CR: GMAT Set 29 - 27 [#permalink] New post 15 Feb 2009, 12:20
somerandomguy wrote:
Though sucking zinc lozenges has been promoted as a treatment for the common cold,
research has revealed no consistent effect. Recently, however, a zinc gel applied nasally
has been shown to greatly reduce the duration of colds. Since the gel contains zinc in the
same form and concentration as the lozenges, the greater effectiveness of the gel must be
due to the fact that cold viruses tend to concentrate in the nose, not the mouth.

In order to evaluate the argument, it would be most helpful to determine which of the
following?

A. Whether zinc is effective only against colds, or also has an effect on other virally
caused diseases
Eliminate: Out of scope "other virally caused diseases"
B. Whether there are remedies that do not contain zinc but that, when taken orally,
can reduce the duration of colds
Same reasoning as A.
C. Whether people who frequently catch colds have a zinc deficiency
Eliminate: We're not talking about the chances of zinc deficiency, the stimulus only talks about zinc being a treatment.
D. Whether either the zinc gel or the lozenges contain ingredients that have an
impact on the activity of the zinc
My choice. Yes, if there is an ingredient that has an effect on the activity of zinc, the conclusion does not follow. We would not know whether the virus lives in the nose or mouth. Inversely, if there is no ingredient in the cold medication that has an impact on zinc then the conclusion would follow.
E. Whether the zinc gel has an effect on the severity of cold symptoms, as well as on
their duration
We're only talking about zinc being able to treat the cold. We're not comparing degrees of treatment.



I disagree. Can you be more specific on how an ingredient that has an effect on the activity of Zinc can determine whether cold viruses are in the nose or mouth? The conclusion is about whether CV is nose or mouth and not whether Z is causing the cold relief or not
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Re: CR: GMAT Set 29 - 27 [#permalink] New post 15 Feb 2009, 17:30
i am not convinced with OA?

the conclusion lies in the effectiveness of the gel than in lozenges because
the greater effectiveness of the gel must be due to the fact that cold viruses tend to concentrate in the nose, not the mouth.

To evaluate above question stem,

one should ask question to confirm the fact that cold viruses tend to concentrate in the nose, not the mouth. Because of this gel is more effective. or
one should ask about any other alternate oral medicine which could be more effective than gel.

how come the following question,
"Whether either the zinc gel or the lozenges contain ingredients that have an impact on the activity of the zinc". will correctly evaluate that gel is more effective than oral medicine because cold viruses tend to concentrate in the nose, not the mouth.
Re: CR: GMAT Set 29 - 27   [#permalink] 15 Feb 2009, 17:30
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