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Updated on: 06 Jan 2019, 13:24
Originally posted by singh_amit19 on 24 Sep 2007, 11:59.
Last edited by Bunuel on 06 Jan 2019, 13:24, edited 5 times in total.
Last edited by Bunuel on 06 Jan 2019, 13:24, edited 5 times in total.
Renamed the topic and edited the question.
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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
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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 by 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
Similar Question : LINK
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
Similar Question : LINK
The boldface statement is weakening the argument above, so we need to look for weakener so A or E, finally, i picked E....views???
23 Nov 2010, 15:26
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msand
Definitely an interesting boldface question.
I read the question stem first. I understand that I need to find the function of the statement in bold. Then I need to find an option that will play the same function, if it is incorporated in the argument.
Conclusion: 'SuperOXY' water would be useless in improving physical performance.
The bold portion "the only way to get oxygen into the bloodstream so that it can be absorbed bye the muscles is through the lungs" is a premise supporting the conclusion.
So I have to find the option that, if incorporated in the argument, will also function as a premise i.e. it will also support the conclusion. So in short, I am trying to find the option that strengthens the conclusion.
Option (A) is incorrect because it says that water lost can be replaced by tap water. It doesn't say how or why SuperOXY is useless in improving physical performance.
Option (B) says that amount of oxygen is already more than what the muscles can absorb. This means drinking SuperOXY will not improve physical performance because muscles anyway cannot absorb the extra oxygen. This option strengthens the conclusion. Hence this is the answer.
Option (C) says that people turn in great performance without this water. But it doesn't say that this water cannot further improve their performance.
Option (D) says that frequent physical exercise increases the body’s ability to take in and use oxygen. It doesn't say anything about how this water does not improve performance.
Option (E) says there are other factors affecting human physical performance but doesn't say that SuperOXY doesn't affect human physical performance.
Answer (B)
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23 Nov 2010, 13:45
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You have to attack the main argument here. The main argument says that these waters are trying to replenish the body's oxygen content and promote physical performance. So you need to find an answer choice that says that even if this water contains the oxygen, it's not going to assimilated.
A is wrong because that says, "Okay you can ALSO do this by using tap water" which is not the same as saying "You CANNOT do this by using this OXY water".
B makes sense because it gives an alternate explanation as to why this product will fail. If the body is already at the maximum level of oxygen absorbency, no matter how much oxygen this water contains, it'll all be wasted.
C is absolutely irrelevant. If world class athletes can do it without this water, again, that doesn't mean that this water doesn't help in performance. It could just mean that they don't need that extra boost.
D in fact, strengthens the argument instead of weakening it by saying the body's ability to oxygen intake increases.
E seems to be an actual answer, but the problem with this is, even if there are other factors and oxygen unavailability IS one factor, then by providing more oxygen you're breaking down one of the factors even if it means that your performance goes up a tiny bit. Incomplete answer.
I hope this helps.
A is wrong because that says, "Okay you can ALSO do this by using tap water" which is not the same as saying "You CANNOT do this by using this OXY water".
B makes sense because it gives an alternate explanation as to why this product will fail. If the body is already at the maximum level of oxygen absorbency, no matter how much oxygen this water contains, it'll all be wasted.
C is absolutely irrelevant. If world class athletes can do it without this water, again, that doesn't mean that this water doesn't help in performance. It could just mean that they don't need that extra boost.
D in fact, strengthens the argument instead of weakening it by saying the body's ability to oxygen intake increases.
E seems to be an actual answer, but the problem with this is, even if there are other factors and oxygen unavailability IS one factor, then by providing more oxygen you're breaking down one of the factors even if it means that your performance goes up a tiny bit. Incomplete answer.
I hope this helps.
