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Though sucking zinc lozenges has been promoted as a

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Re: Though sucking zinc lozenges has been promoted as a [#permalink]

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New post 08 Aug 2017, 23:14
ttanvir 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

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

Answer:


The answer is D

The composition and concentration of zinc in Zinc gel and lozenges is same but the effect is much more when it is applied nasally .
There must be some other ingredient in Zinc gel to make it much more effective than lozenges.
Option D is saying this

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Re: Though sucking zinc lozenges has been promoted as a [#permalink]

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New post 15 Aug 2017, 04:35
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.

Type - evaluate
Boil it down - 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.

A. Whether zinc is effective only against colds, or also has an effect on other virally caused diseases - Out of scope - other diseases are not relevant

B. Whether there are remedies that do not contain zinc but that, when taken orally, can reduce the duration of colds - Irrelevant - we are not concerned about other remedies

C. Whether people who frequently catch colds have a zinc deficiency - Irrelevant

D. Whether either the zinc gel or the lozenges contain ingredients that have an impact on the activity of the zinc - Correct - if either gel or lozenges contain ingredients that have an impact on the activity of the zinc, then it weakens the claim else it does not

E. Whether the zinc gel has an effect on the severity of cold symptoms, as well as on their duration - Irrelevant

Answer D
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Re: Though sucking zinc lozenges has been promoted as a   [#permalink] 15 Aug 2017, 04:35

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