The higher the level of certain vitamins and minerals in the : GMAT Critical Reasoning (CR)
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# The higher the level of certain vitamins and minerals in the

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The higher the level of certain vitamins and minerals in the [#permalink]

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17 Jul 2007, 16:25
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The higher the level of certain vitamins and minerals in the bloodstream, the better a person's lung function, as measured by the amount of air the person can expel in one second. The lung function of smokers is significantly worse, on average, than that of nonsmokers. Clearly, therefore, one way for smokers to improve their lung function is for them to increase their intake of food that are rich in these helpful vitamins and minerals.

Which of the following is an assumption on which the argument depends.

(A)Smokers are less likely than nonsmokers to have diets that are rich in vitamins and minerals.

(B)The lung function of smokers whose diets are rich in those vitamins and minerals is generally better than that of nonsmokers with comparable diets.

(C)People whose diets are deficient in those vitamins and minerals do not typically have other health problems in addition to diminished lung function

(D)Stopping smoking will not typically improve lung function more than any diet change can

(E)Smoking does not introduce into the body chemicals that prevent the helpful vitamins and minerals from entering the bloodstream
[Reveal] Spoiler: OA

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Last edited by Zarrolou on 30 Jul 2013, 03:40, edited 2 times in total.
Edited the question, added OA.
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17 Jul 2007, 16:39
E)Smoking does not introduce into the body chemicals that prevent the harmful vitamins and minerals from entering the bloodstream.

IS THE ANSWER.

But r u sure the word "harmful" is there in E?
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19 Jul 2007, 12:02
D.
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I think answer is E [#permalink]

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19 Jul 2007, 12:28
The passage makes two statements:
1) The higher the level of certain vitamins and minerals in the bloodstream, the better a person's lung function. (that information on how healthy lungs are measured is extraneous).

2) lung function of smokers is significantly worse, on average, than that of nonsmokers

It concludes from these two statements that non smokers, thus, can improve their lungs by improving consumption of said vitamins and minerals.

This conclusion ignores the fact that part of the reason smoker's lungs are not as good is a result of the smoking itself (having nothing to do with their intake of food consumption). Perhaps, something in the smoke impedes upon the efficacy of the said vitamins and minerals. Easy to find answer E.

Which of the following is an assumption on which the argument depends?

[i](A)Smokers are less likely than nonsmokers to have diets that are rich in vitamins and minerals.

(B)The lung function of smokers whose diets are rich in those vitamins and minerals is generally better than that of nonsmokers with comparable diets.

(C)People whose diets are deficient in those vitamins and minerals do not typically have other health problems in addition to diminished lung function

(D)Stopping smoking will not typically improve lung function more than any diet change can

(E)Smoking does not introduce into the body chemicals that prevent the harmful vitamins and minerals from entering the bloodstream.
[/i]
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20 Jul 2007, 08:24
E for me.
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21 Jul 2007, 03:16
A for me.
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21 Jul 2007, 03:16
A for me.
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21 Jul 2007, 08:29
A is also an assumption.
But E would be better choice if it hadn't used "harmful"...This word is changing the meaning.....

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21 Jul 2007, 08:34
E but I still question the word "harmful" in the answer choice as well
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22 Jul 2007, 07:07
I go with answer E.
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22 Jul 2007, 08:45
I say A. What's the OA?
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Re: The higher the level of certain vitamins and minerals in the [#permalink]

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30 Jul 2013, 01:41
Can someone please provide a detailed analysis on this one! Thanks Stuck between C and E...
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Re: The higher the level of certain vitamins and minerals in the [#permalink]

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30 Jul 2013, 03:39
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fozzzy wrote:
Can someone please provide a detailed analysis on this one! Thanks Stuck between C and E...

[Please note that there was an error in the question: choice E is
E) Smoking does not introduce into the body chemicals that prevent the helpful (and not harmful)vitamins and minerals from entering the bloodstream]

Applying the negation technique:

(C)People whose diets are deficient in those vitamins and minerals do not typically have other health problems in addition to diminished lung function
(C-1)People whose diets are deficient in those vitamins and minerals do not typically have other health problems in addition to diminished lung function

(E)Smoking does not introduce into the body chemicals that prevent the helpful vitamins and minerals from entering the bloodstream.
(E)Smoking does not introduce into the body chemicals that prevent the helpful vitamins and minerals from entering the bloodstream.

We have to evaluate their impact on this:
Clearly, therefore, one way for smokers to improve their lung function is for them to increase their intake of food that are rich in these helpful vitamins and minerals.

Even if those people have other healths problems (C), they could still improve their lung function by increasing the intake of foods rich in vitamins.
The argument holds.
If smoking introduces chemicals that prevent the helpful vitamins and minerals from entering the bloodstream, increasing the intake of such food will not help because the helpful substances will be destroyed by the effect of smoking.
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Re: The higher the level of certain vitamins and minerals in the [#permalink]

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31 Aug 2013, 03:04
Hi,

Can anyone explain A and B?

THanks,
Jai
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Re: The higher the level of certain vitamins and minerals in the [#permalink]

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31 Aug 2013, 08:03
Hi,

Can someone please explain why A is wrong ?

It does look like an assumption. If smokers are less likely to have diets rich in vitamins then the high intake would probably help them.

Negation : And if they were already taking diets rich in vitamins it is unlikely that additional vitamin and mineral are gonna help them right.

E looks right , but I couldn't eliminate A.

Appreciate your help.

Thanks,
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Re: The higher the level of certain vitamins and minerals in the [#permalink]

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31 Aug 2013, 19:40
(A) may help explain observations made in the passage (supporting leg) however, they are not related to the argument.

Observations made:
1) good vitamin levels = good lungs
2) smokers = bad lungs
3) non-smokers = good lungs

Using gmatpill linked chains framework #2, you'll make the connection that non-smokers have good vitamin levels and smokers have bad vitamin levels.

What (A) is doing is saying that smokers have bad diets (not bad vitamin levels) - so it's making a stretch...it's assuming that diet and vitamin levels are closely connected. So (A) is making a stretched statement using an assumption...

But we're trying to find an assumption that supports ANOTHER stretched statement...the last sentence in the passage.

Think about it, what do "vitamin levels" have to do with "diet"? The argument is about a specific action...increasing diet of these vitamins. Does that improve lung function? Is there a good connection between "diet" and "vitamin levels in bloodstream"? Will a vitamin-high diet necessarily lead to vitamin high levels in bloodstream?

That's what we need to solve, supporting the passage's conclusion, not finding another conclusion in the answer choice.

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Re: The higher the level of certain vitamins and minerals in the [#permalink]

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31 Aug 2013, 21:51
GMATPill wrote:
(A) may help explain observations made in the passage (supporting leg) however, they are not related to the argument.

Observations made:
1) good vitamin levels = good lungs
2) smokers = bad lungs
3) non-smokers = good lungs

Using gmatpill linked chains framework #2, you'll make the connection that non-smokers have good vitamin levels and smokers have bad vitamin levels.

What (A) is doing is saying that smokers have bad diets (not bad vitamin levels) - so it's making a stretch...it's assuming that diet and vitamin levels are closely connected. So (A) is making a stretched statement using an assumption...

But we're trying to find an assumption that supports ANOTHER stretched statement...the last sentence in the passage.

Think about it, what do "vitamin levels" have to do with "diet"? The argument is about a specific action...increasing diet of these vitamins. Does that improve lung function? Is there a good connection between "diet" and "vitamin levels in bloodstream"? Will a vitamin-high diet necessarily lead to vitamin high levels in bloodstream?

That's what we need to solve, supporting the passage's conclusion, not finding another conclusion in the answer choice.

Posted from my mobile device

Hi GMATPill,

Thanks for the explanations..

Can you help why is B wrong??

Thanks,
Jai
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Re: The higher the level of certain vitamins and minerals in the [#permalink]

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06 Jul 2014, 02:56
Isnt B correct?

(A)Smokers are less likely than nonsmokers to have diets that are rich in vitamins and minerals.

(B)The lung function of smokers whose diets are rich in those vitamins and minerals is generally better than that of nonsmokers with comparable diets.

(C)People whose diets are deficient in those vitamins and minerals do not typically have other health problems in addition to diminished lung function

(D)Stopping smoking will not typically improve lung function more than any diet change can

(E)Smoking does not introduce into the body chemicals that prevent the helpful vitamins and minerals from entering the bloodstream
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Re: The higher the level of certain vitamins and minerals in the [#permalink]

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31 Oct 2014, 03:18
The lung function of smokers is significantly worse,

one way for smokers to improve their lung function is for them to increase their intake of food that are rich in these helpful vitamins and minerals.

The one that joins the two is D ie.
Stopping smoking will not typically improve lung function more than any diet change can
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Re: The higher the level of certain vitamins and minerals in the [#permalink]

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12 Nov 2014, 07:04
amenon55 wrote:
Isnt B correct?

(A)Smokers are less likely than nonsmokers to have diets that are rich in vitamins and minerals.

(B)The lung function of smokers whose diets are rich in those vitamins and minerals is generally better than that of nonsmokers with comparable diets.

(C)People whose diets are deficient in those vitamins and minerals do not typically have other health problems in addition to diminished lung function

(D)Stopping smoking will not typically improve lung function more than any diet change can

(E)Smoking does not introduce into the body chemicals that prevent the helpful vitamins and minerals from entering the bloodstream

B is incorrect.
The lung function of smokers are worse than non smokers.
The lung function of smokers on a diet is WORSE than non smokers on a diet.

Since B says that they have comparable diets the non smoker eats vitamins and minerals as well. Therefore B is incorrect.
Re: The higher the level of certain vitamins and minerals in the   [#permalink] 12 Nov 2014, 07:04

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