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An international study recently examined the effects of

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An international study recently examined the effects of [#permalink] New post 15 Jul 2011, 08:53
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A
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D
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Question Stats:

51% (01:58) correct 49% (01:27) wrong based on 45 sessions
An international study recently examined the effects of second hand smoke on health. surprisingly, although the dosages of harmful chemicals form second hand smoke are so small that their effect should be negligible, the study found that nonsmoking spouses of smokers displayed an incidence of heart disease that was significantly greater than that of nonsmokers who were not as regularly exposed to second hand smoke.

Each of the following if true could contribute to an explanation of the unexpectedly high incidence of heart disease in smoker's spouses EXCEPT:

A. A disproportionately high number of people married to smokers are among the older segment of the married population, a group that inherently has a higher than average risk of heart disease

B. on average, more alcohol and coffee both of which have been linked to heart disease, are consumed in the homes of smokers than in the homes of nonsmokers.

C. A disproportionately high number of smokers are married to other smokers and the risk of heart disease increases in proportion to the number of smokers living in a household.

D. Smokers generally tend to live in higher stress environments than do non smokers and stress is a factor associated with above average incidence of heart disease.

E.A disproportionately high number of smokers live in areas with a high level of industrial pollutants, which have been shown to be a factor in increased risk of heart disease

[Reveal] Spoiler:
Can't really figure out how D is not a right choice.
[Reveal] Spoiler: OA

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Re: Second Hand Smoke [#permalink] New post 15 Jul 2011, 09:30
jamifahad wrote:
An international study recently examined the effects of second hand smoke on health. surprisingly, although the dosages of harmful chemicals form second hand smoke are so small that their effect should be negligible, the study found that nonsmoking spouses of smokers displayed an incidence of heart disease that was significantly greater than that of nonsmokers who were not as regularly exposed to second hand smoke.

Each of the following if true could contribute to an explanation of the unexpectedly high incidence of heart disease in smoker's spouses EXCEPT:

A. A disproportionately high number of people married to smokers are among the older segment of the married population, a group that inherently has a higher than average risk of heart disease

B. on average, more alcohol and coffee both of which have been linked to heart disease, are consumed in the homes of smokers than in the homes of nonsmokers.

C. A disproportionately high number of smokers are married to other smokers and the risk of heart disease increases in proportion to the number of smokers living in a household.

D. Smokers generally tend to live in higher stress environments than do non smokers and stress is a factor associated with above average incidence of heart disease.

E.A disproportionately high number of smokers live in areas with a high level of industrial pollutants, which have been shown to be a factor in increased risk of heart disease

[Reveal] Spoiler:
Can't really figure out how D is not a right choice.

We're talking about nonsmoking spouses, but (C) is about wifes and husbands who smoke together.
So, (C) it is
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Re: Second Hand Smoke [#permalink] New post 15 Jul 2011, 09:42
jamifahad wrote:
An international study recently examined the effects of second hand smoke on health. surprisingly, although the dosages of harmful chemicals form second hand smoke are so small that their effect should be negligible, the study found that nonsmoking spouses of smokers displayed an incidence of heart disease that was significantly greater than that of nonsmokers who were not as regularly exposed to second hand smoke.

Each of the following if true could contribute to an explanation of the unexpectedly high incidence of heart disease in smoker's spouses EXCEPT:

A. A disproportionately high number of people married to smokers are among the older segment of the married population, a group that inherently has a higher than average risk of heart disease

B. on average, more alcohol and coffee both of which have been linked to heart disease, are consumed in the homes of smokers than in the homes of nonsmokers.

C. A disproportionately high number of smokers are married to other smokers and the risk of heart disease increases in proportion to the number of smokers living in a household.

D. Smokers generally tend to live in higher stress environments than do non smokers and stress is a factor associated with above average incidence of heart disease.

E.A disproportionately high number of smokers live in areas with a high level of industrial pollutants, which have been shown to be a factor in increased risk of heart disease

[Reveal] Spoiler:
Can't really figure out how D is not a right choice.


Both D and E are similar in structure. If smokers are living in higher stress environment or highly polluted areas, their spouses are too. Reason for the heart disease can thus be the environment in which the spouses live and not necessarily the second hand smoke.

"C" doesn't not even explicitly associate non-smokers with smokers. Out of scope.

Ans: "C"
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Re: Second Hand Smoke [#permalink] New post 15 Jul 2011, 11:46
C
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Re: Second Hand Smoke [#permalink] New post 15 Jul 2011, 18:11
+1 for C. Choice D does not apply to the argument as it talks about spouses who smoke, while the argument talks about non smoker spouses.

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Re: Second Hand Smoke [#permalink] New post 16 Jul 2011, 04:02
jamifahad wrote:
An international study recently examined the effects of second hand smoke on health. surprisingly, although the dosages of harmful chemicals form second hand smoke are so small that their effect should be negligible, the study found that nonsmoking spouses of smokers displayed an incidence of heart disease that was significantly greater than that of nonsmokers who were not as regularly exposed to second hand smoke.

Each of the following if true could contribute to an explanation of the unexpectedly high incidence of heart disease in smoker's spouses EXCEPT:

A. A disproportionately high number of people married to smokers are among the older segment of the married population, a group that inherently has a higher than average risk of heart disease

B. on average, more alcohol and coffee both of which have been linked to heart disease, are consumed in the homes of smokers than in the homes of nonsmokers.

C. A disproportionately high number of smokers are married to other smokers and the risk of heart disease increases in proportion to the number of smokers living in a household.

D. Smokers generally tend to live in higher stress environments than do non smokers and stress is a factor associated with above average incidence of heart disease.

E.A disproportionately high number of smokers live in areas with a high level of industrial pollutants, which have been shown to be a factor in increased risk of heart disease




D would be the answer if it wernt for C, because stress can be personal :-).
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Re: Second Hand Smoke [#permalink] New post 17 Jul 2011, 20:35
C is the only answer which doesnt introduce new information outside of smoking :)
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Re: Second Hand Smoke [#permalink] New post 18 Jul 2011, 10:56
After reading 3 times and the replies here, i think i can say now. Yes it is C.
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Re: Second Hand Smoke [#permalink] New post 18 Jul 2011, 15:42
the options A and B provide a possible explanation for the phenomena.
C talks about couples where both spouses smoke(not relevant)
D and E talks about smokers ONLY and does not mention anything about spouses( not relevant again)

i could have picked anyone from c,d,e..went with D though
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Re: Second Hand Smoke [#permalink] New post 20 Jul 2011, 04:50
Please provide the OA
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Re: Second Hand Smoke [#permalink] New post 07 Aug 2011, 02:21
for me also , i think its C
Re: Second Hand Smoke   [#permalink] 07 Aug 2011, 02:21
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