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Be sure to select an answer first to save it in the Error Log before revealing the correct answer (OA)!
Difficulty:
75%
(hard)
Question Stats:
55% (02:11) correct
45%
(02:23)
wrong
based on 815
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During the period in which there are no competitive races, two runners--Runners A and Runners B--take part in an experiment measuring their VO2 max, the volume of oxygen an athlete can use. During these sessions, the runners engaged in moderate aerobic activity, or a sustained heart rate between 146-154 beats per minute. At the end of the sessions, Runner A had a greater VO2 max than Runner B. Therefore, once the two runners begin identical intensive training--sessions involving over 168 beats per minute-- for the race season, Runner A will continue to have the greater VO2 max, assuming that neither become injured and that both train with similar intensity.
Which of the following is an assumption upon which the argument rests?
(A) Runner A and Runner B had similar VO2 maxes uponentering the study.
(B) Regarding their VO2 maxes, runners respond equally to intensive training.
(C) Intensive training involves sessions in which athletes maintain a heartbeat over 168 beats per minute.
(D) The amount one trains does not influence one’s VO2 max.
(E) During the experiment, Runner A did not always have the greater VO2 max than Runner B.
Which of the following is an assumption upon which the argument rests?
(A) Runner A and Runner B had similar VO2 maxes uponentering the study.
(B) Regarding their VO2 maxes, runners respond equally to intensive training.
(C) Intensive training involves sessions in which athletes maintain a heartbeat over 168 beats per minute.
(D) The amount one trains does not influence one’s VO2 max.
(E) During the experiment, Runner A did not always have the greater VO2 max than Runner B.
29 Nov 2021, 08:44
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Bunuel
What we know:
a) Experiment is being conducted to measure the VO2 Max(volume of oxygen an athlete can use).
b) 1st experiment moderate aerobic exercise (heart rate b/w 146-154) Runner A had greater VO2 max than Runner B had.
c) 2nd experiment intensive exercise (heart rate>168) has to be conducted.
A conclusion has been drawn from the result of experiment one that Runner A will have greater VO2 max here also than VO2 max of Runner B
What assumption has been taken into account in drawing the conclusion:
Pre-thinking says it has been assumed that both trainers will respond equally to the intensive training, hence the consumption of oxygen will increase at the same rate because if exercise 2 put more strain on runner A than on B than runner A's VO2 max will reduce.
(A) Runner A and Runner B had similar VO2 maxes upon entering the study.
Negating the statement : They had dissimilar VO2 max upon entering the study it doesn't breaks the conclusion as even though they had different VO2 max the benchmark was set after the first experiment.(so the difference is already accounted for also the difference will remain the same for the second experiment as well) here the comparison is between the results of two experiments.
(B) Regarding their VO2 maxes, runners respond equally to intensive training.
In line with our pre-thinking:
Negating the statement: Runners response to intensive training was different
condition 1: It put more strain on runner A hence he consumed more oxygen, the strain was similar to the aerobic exercise for runner B hence he consumed same amount of oxygen.
In this case the conclusion breaks. Hence our answer.
(C) Intensive training involves sessions in which athletes maintain a heartbeat over 168 beats per minute.
Already stated and irrelevant.
(D) The amount one trains does not influence one’s VO2 max.
They trained with similar intensity and if it has no effect on VO2 max. Irrelevant.
(E) During the experiment, Runner A did not always have the greater VO2 max than Runner B.
We are concerned about the result not what happened during the process.
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29 Nov 2021, 09:54
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ElninoEffect
In my opinion, Answer B is incorrect, because it says "runners respond equally to intensive training". If something is an assumption, it needs to be true for the argument to hold. And we don't need to assume they respond equally to intensive training for the argument to be true. The argument is still true if high-VO2 runners in moderate training respond better than low-VO2 runners to intensive training.
