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Though sucking zinc lozenges has been promoted as treatment for the

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Senior Manager
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Re: Though sucking zinc lozenges has been promoted as treatment for the  [#permalink]

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New post 01 Jul 2016, 08:34
C

we need to weaken here.for strengthen choice E is clear winner.

C says the the chemical zinc interferes with the ingredients in the lozenges .So the activity is not that much as said.

this weakens the possibility of the virus accumulating in the nose.Had zinc in lozenges been inert it would have same effect as gel
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Re: Though sucking zinc lozenges has been promoted as treatment for the  [#permalink]

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New post 15 Aug 2016, 17:41
zz0vlb wrote:
Though sucking zinc lozenges has been promoted as treatment for the common cold, research has revealed no consistant 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 the effectiveness of the gel must be due to the fact that cold virus tend to concentrate in the nose, not the mouth.

Which of the following, if true , most sesiously weakens the argument?

A. Expiremental subjects who used the zinc gel not only had colds of shorter duration but also had less sever symptoms than did those who used a gel that did not contain zinc.
B. The mechanism by which zinc effects the viruses that caused the common cold has not been conclusively established.
C. to make them palatable, zinc lozenges generally contains other ingredients, such as citric acid,, that can interfer with the chemical activity of zinc.
D. no Zinc based remedy can have any effect unless it is taken or applied within 48 hrs of the onset of cold symptoms.
E. Drug company researchers experimenting with nasal spray beased on zinc have found that it has much the same effect on colds as the gel does.





Please, I need explaination whether A or E weakens the argument, if not why??


Data : zinc lozenges taken orally is not consistently effective medicine . Zinc gel applied nasally is effective.
Conclusion : virus must be in nasal cavities.

Any statement that shows zinc lozegnes as effective as zinc gel should be answer.
Statement C does that.
A -> Duration and symptoms are not part of data. Maybe longer the duration, weaker the virus :wink:
E -> Nasal spray based on zinc. Outside info. (ignore it)
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Re: Though sucking zinc lozenges has been promoted as treatment for the  [#permalink]

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New post 14 Oct 2016, 01:09
C is the correct answer.

The argument concludes that nose has more viruses than mouth on the simple observation that, gel was more effective on being used.

However, it is possible that mouth has equal or more viruses than nose and its just that, medicine taken to treat, is not equally effective.
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Re: Though sucking zinc lozenges has been promoted as treatment for the  [#permalink]

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New post 19 Jun 2018, 04:18
C


PROBABLY IT IS BECAUSE OF THE OTHER INGREDIENTS THAT ZINC LOSENGES IS NOT EFFECTIVE. (BECAUSE OF THE INTERFERENCE FACTOR AS GIVEN IN OPTION C)
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Re: Though sucking zinc lozenges has been promoted as treatment for the  [#permalink]

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New post 03 Sep 2018, 02:54
Didnt understand the answer choice here.
Whatever the reason may be for less effectiveness of zinc lozenges, it still doesnt weaken that zinc gel is more effective.
Assumption is that zinc gel is better and after option c, still the zinc gel is better.
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Re: Though sucking zinc lozenges has been promoted as treatment for the &nbs [#permalink] 03 Sep 2018, 02:54

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