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# One of the limiting factors in human physical performance is the amoun

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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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08 Oct 2009, 13:25
What is the source of the OA?

It doesn't seem right as A.

The bold face statement is an explanation as to why "such water would be useless in improving physical performance"

We need another reason as to why the water would be useless in improving physical performance. A gives us "tapwater will do the same thing to replace lost water". However the reason that SuperOXY is better is because it provides more oxygen not that it acts similarly to water.

Only B provides the proper reasoning.
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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08 Oct 2009, 14:02

The source is: Official GMAT SET21 Q33 (Official GMAC Question)
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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21 Oct 2009, 00:08
Well, guys, I see this question makes a lot of discussion. On gmatclub there are several older posts with this CRQ.
I picked answer B. And I am confident taht this is the right answer. Why? After surfing the Internet, I managed to find this question on Manhattan GMAT web-site. The OA there is the C, but if you analyze better all the answer choices and question stem, you can see that answer B (in this post on GMATclub) is RIGHT!.
Because on MGMAT the answer choices are given in reverse order. Look attentively. The relationship is the same: "the amount of oxygen in the blood who is exercising already more than the muscles can absorb" is mentioned in the stem and "the only way to get oxygen into the bloodstream so that it can be absorbed by the muscles is through the lungs" is mentioned in the OA.THUS B

What is the source for A?

http://www.manhattangmat.com/forums/one ... t5899.html
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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02 Jan 2010, 12:09
msand wrote:
One of the limiting factors in human physical performance is the amount of oxygen that is absorbed by the muscles from the bloodstream. Accordingly, entrepreneurs have begun selling at gymnasiums and health clubs bottles of drinking water, labeled “SuperOXY,” that has extra oxygen dissolved in the water. Such water would be useless in improving physical performance, however, since the only way to get oxygen into the bloodstream so that it can be absorbed bye the muscles is through the lungs.
Which of the following, if true, would serve the same function in the argument as the statement in boldface?
A. the water lost in exercising can be replaced with ordinary tap water
B. the amount of oxygen in the blood of people who are exercising is already more than the muscle can absorb
C. world-class athletes turn in record performance without such water
D. frequent physical exercise increases the body’s ability to take in and use oxygen
E. lack of oxygen is not the only factor limiting human physical performance
OA :

can anyone please explain the OA??i thot the ans would be D
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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02 Jan 2010, 16:58
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I'll try, my friend. OA is B because of the way the argument is set up. The bold text is the evidence to the claim that drinking water with oxygen in it won't help out physical performance. So out of the answer choices we're trying to find something else that would be used as evidence to support the same claim. Therefore, if we didn't know that oxygen in the stomach doesn't help it get absorbed to the muscles because it's not through the lungs which answer would make sense? It's B because B means that the body doesn't need MORE oxygen. Rather it needs to BETTER absorb the oxygen it already has. It's completely different evidence but if it's true then drinking oxygen in your water would just give more oxygen and the body wouldn't be able to absorb it and use it for enhanced performance. Does that make sense?

D is a true statement but it does not do anything for the argument. Frequent exercise has nothing to do with disproving the effectiveness of drinking water with oxygen it to ultimately help out muscle performance. It just has to do with muscle performance it self.
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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23 Nov 2010, 19:45
another problem with e seems to be that it is just paraphrasing what is already given in the argument. the argument starts off by saying: "One of the limiting factors" - so we already know there are other factors.. whats the point of having E? i eliminated e on that basis... not sure if that was the right approach though...
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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24 Nov 2010, 04:36
gmat1011 wrote:
another problem with e seems to be that it is just paraphrasing what is already given in the argument. the argument starts off by saying: "One of the limiting factors" - so we already know there are other factors.. whats the point of having E? i eliminated e on that basis... not sure if that was the right approach though...

Sure it makes sense. An option acting as a premise will have new information. Option (E) here doesn't. Good call.
Just be aware that sometimes what seems a rehash may actually be new. So be careful when eliminating options on that basis.
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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25 Dec 2010, 00:28
B for me

The function of the bold statement is to undermine the effect of SuperOxy, so we need an option that would render superOxy useless.

A. the water lost in exercising can be replaced with ordinary tap water --> Water lost in exercise can be replaced by tap water, but superoxy contains more oxygen which could enhance performance. So A is out!
B. the amount of oxygen in the blood of people who are exercising is already
more than the muscle can absorb --> Correct. If the body is not able to absorb any more oxygen, then superoxy does not serve any purpose.
C. world-class athletes turn in record performance without such water --> True, but it doesn't say whether superoxy could enhance these performances.
D. frequent physical exercise increases the body’s ability to take in and use
oxygen -->Still no word about superoxy
E. lack of oxygen is not the only factor limiting human physical performance--> Still no word about superoxy
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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30 Apr 2011, 01:56
'How ELSE can we make the Bottled water useless aside from the fact that the oxygen it provides can't be gainfully used by the body? Well, given that the oxygen it provides is useless, the only other use of bottled water COULD be to replenish the body's water lost due to exercising. And this can be easily replenished by Tap water and this is what the choice A states.'

why are you so bent on making the bottled water useless( replaceable by tap water ) ? is it because the conclusion says
'the water is useless in improving physical performance ?'

A says that the water lost during exercising can be replaced by tap water ...

is the question about oxygen absorption or utility of water ? where to focus ?
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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15 Jan 2012, 17:29
misty1234 wrote:
The water lost in exercising can be replaced with ordinary tap water ( water can be replaced with original water only)

Similarly the oxygen lost can be replenished in the original way only.... i.e. thru lungs!!!

Thus I go for A.

My reasoning is as follows:

By reading the argument, we know that the BF statement supports the conclusion and its position is reason. So, the answer choice also should be a reason that supports the conclusion.

A --> supports the conclusion and also a reason but it brings an external element, so irrelevant.
B --> supports the conclusion by acting as a reason. Keep this.
C --> supports the conclusion but it is an example, not reason.
D --> it is against the conclusion
E --> irrelevant to the discussion.

Hence select B.
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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12 Apr 2012, 09:37
Conclusion : " Such water would be useless in improving physical performance"

Role of Bold Statement "the only way to get oxygen into the bloodstream so that it can be absorbed bye the muscles is through the lungs. "

This statement is supporting the Conclusion. So we need to find a statement that supports the conclusion.

A. the water lost in exercising can be replaced with ordinary tap water ...slightly supporting ..'s'
B. the amount of oxygen in the blood of people who are exercising is already more than the muscle can absorb .... 'not related'
C. world-class athletes turn in record performance without such water ...... "Strongly supporting"
D. frequent physical exercise increases the body’s ability to take in and use oxygen ... not related
E. lack of oxygen is not the only factor limiting human physical performance .... not related

Therefore , my answer is 'C'
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12 Nov 2013, 00:22
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Bumping for review and further discussion

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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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12 Nov 2013, 11:59
B for me.

Which of the following, if true, would serve the same function in the argument as the statement in boldface?
Statement in boldface : the only way to get oxygen into the bloodstream so that it can be absorbed bye the muscles is through the lungs.

The correct option should be able to replace this statement because it has to hurt the argument .

A. Such water would be useless in improving physical performance, however, since the water lost in exercising can be replaced with ordinary tap water . Incorrect. Even if tap water were enough to replace, nothing hampers the argument that oxygen bottles will be rendered useless.

C. world-class athletes turn in record performance without such water. Irrelevant!
D. frequent physical exercise increases the body’s ability to take in and use oxygen. Irrelevant for reasoning against the use of bottled water.
E. lack of oxygen is not the only factor limiting human physical performance. Even if lack of oxygen is one of the factors, bottled water containing oxygen would help. Hence this goes against the statement " Such water would be useless in improving physical performance".

B. the amount of oxygen in the blood of people who are exercising is already more than the muscle can absorb. Correct .
Such water would be useless in improving physical performance, however, since "the amount of oxygen is ... already more than muscles can absorb."
If the amount of oxygen is already more than muscles can take- then any number of oxygenated bottles will be useless !
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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13 Nov 2013, 01:03
surbhi87 wrote:
B for me.

Which of the following, if true, would serve the same function in the argument as the statement in boldface?
Statement in boldface : the only way to get oxygen into the bloodstream so that it can be absorbed bye the muscles is through the lungs.

The correct option should be able to replace this statement because it has to hurt the argument .

A. Such water would be useless in improving physical performance, however, since the water lost in exercising can be replaced with ordinary tap water . Incorrect. Even if tap water were enough to replace, nothing hampers the argument that oxygen bottles will be rendered useless.

C. world-class athletes turn in record performance without such water. Irrelevant!
D. frequent physical exercise increases the body’s ability to take in and use oxygen. Irrelevant for reasoning against the use of bottled water.
E. lack of oxygen is not the only factor limiting human physical performance. Even if lack of oxygen is one of the factors, bottled water containing oxygen would help. Hence this goes against the statement " Such water would be useless in improving physical performance".

B. the amount of oxygen in the blood of people who are exercising is already more than the muscle can absorb. Correct .
Such water would be useless in improving physical performance, however, since "the amount of oxygen is ... already more than muscles can absorb."
If the amount of oxygen is already more than muscles can take- then any number of oxygenated bottles will be useless !

Why not E?
If oxygen is not the only limiting factor, than drinking more water with it will not enhance performance as you are limited by something else...?
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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13 Nov 2013, 01:11
ronr34 wrote:
surbhi87 wrote:
B for me.

Which of the following, if true, would serve the same function in the argument as the statement in boldface?
Statement in boldface : the only way to get oxygen into the bloodstream so that it can be absorbed bye the muscles is through the lungs.

The correct option should be able to replace this statement because it has to hurt the argument .

A. Such water would be useless in improving physical performance, however, since the water lost in exercising can be replaced with ordinary tap water . Incorrect. Even if tap water were enough to replace, nothing hampers the argument that oxygen bottles will be rendered useless.

C. world-class athletes turn in record performance without such water. Irrelevant!
D. frequent physical exercise increases the body’s ability to take in and use oxygen. Irrelevant for reasoning against the use of bottled water.
E. lack of oxygen is not the only factor limiting human physical performance. Even if lack of oxygen is one of the factors, bottled water containing oxygen would help. Hence this goes against the statement " Such water would be useless in improving physical performance".

B. the amount of oxygen in the blood of people who are exercising is already more than the muscle can absorb. Correct .
Such water would be useless in improving physical performance, however, since "the amount of oxygen is ... already more than muscles can absorb."
If the amount of oxygen is already more than muscles can take- then any number of oxygenated bottles will be useless !

Why not E?
If oxygen is not the only limiting factor, than drinking more water with it will not enhance performance as you are limited by something else...?

If oxygen is not the ONLY limiting factor--- means that oxygen is still ONE of all the factors that limit human physical performance. In this case, if oxygen bottles were used (as per the argument), then they would not be totally useless ! They would definitely be of SOME help since we've established that oxygen IS one of the limiting factors.
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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Updated on: 25 Nov 2013, 04:24
1
2

Originally posted by WaterFlowsUp on 21 Nov 2013, 11:16.
Last edited by dentobizz on 25 Nov 2013, 04:24, edited 1 time in total.
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21 Nov 2013, 11:16
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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24 Nov 2013, 13:09
Do not agree with choice A here. I would go with B.

Conclusion:
Such water would be useless in improving physical performance, however, since the only way to get oxygen into the bloodstream so that it can be absorbed bye the muscles is through the lungs.

We need to provide an alternate reasoning to prove that such water is useless in improving physical performance, which is related to the amount of oxygen absorbed by the muscles from the bloodstream.

A. the water lost in exercising can be replaced with ordinary tap waterThis choice tells that the water lost during exercising can be replaced with ordinary water but does not give any information about improvement in physical performance after replacement.
B. the amount of oxygen in the blood of people who are exercising is already
more than the muscle can absorbThis choice exactly points that the amount of oxygen present in the people who exercise is already more and hence undermines the idea to use "SuperOXY" water to improve physical performance.
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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25 Nov 2013, 04:20
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Re: One of the limiting factors in human physical performance is the amoun  [#permalink]

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15 Oct 2016, 07:03
Need to something to explain why the packaged drink would be ineffective.

the amount of oxygen in the blood of people who are exercising is already more than the muscle can absorb

If that is the case then packaging water with more oxygen wouldn't help much
Re: One of the limiting factors in human physical performance is the amoun &nbs [#permalink] 15 Oct 2016, 07:03

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