Of patients over 65 years old who survived coronary bypass : GMAT Critical Reasoning (CR)
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Of patients over 65 years old who survived coronary bypass

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Of patients over 65 years old who survived coronary bypass [#permalink]

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07 Sep 2008, 04:30
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Of patients over 65 years old who survived coronary bypass surgery—a procedure widely prescribed for people with heart disease—only 75 percent benefited from the surgery. Thus it appears that for one in four such patients, the doctors who advised them to undergo this surgery, with its attendant risks and expense, were more interested in an opportunity to practice their skills and in their fee than in helping the patient.
Which of the following, if true, most seriously undermines the argument?

A. Many of the patients who receive coronary bypass surgery are less than 55 years old
.
B. Possible benefits of coronary bypass surgery include both relief from troubling symptoms and prolongation of life.

C. Most of the patients in the survey decided to undergo coronary bypass surgery because they were advised that the surgery would reduce their risk of future heart attacks.

D. The patients over 65 years old who did not benefit from the coronary bypass surgery were as fully informed as those who did benefit from the surgery as to the risks of the surgery prior to undergoing it.

E. The patients who underwent coronary bypass surgery but who did not benefit from it were medically indistinguishable, prior to their surgery, from the patients who did benefit.

what is the meaning of this term?
[Reveal] Spoiler: OA

Last edited by Zarrolou on 26 Jul 2013, 08:52, edited 1 time in total.
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07 Sep 2008, 05:10
I think that in this context this term means that physical condition of patients who underwent coronary bypass surgery but who did not benefit from it was the same as those of patients who did benefit from opertion.Or in more simple words they were equally healthy))
BTW D seems correct
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07 Sep 2008, 06:23
arjtryarjtry wrote:
Of patients over 65 years old who survived coronary bypass surgery—a procedure widely prescribed for people with heart disease—only 75 percent benefited from the surgery. Thus it appears that for one in four such patients, the doctors who advised them to undergo this surgery, with its attendant risks and expense, were more interested in an opportunity to practice their skills and in their fee than in helping the patient.
Which of the following, if true, most seriously undermines the argument?

A. Many of the patients who receive coronary bypass surgery are less than 55 years old
.
B. Possible benefits of coronary bypass surgery include both relief from troubling symptoms and prolongation of life.

C. Most of the patients in the survey decided to undergo coronary bypass surgery because they were advised that the surgery would reduce their risk of future heart attacks.

D. The patients over 65 years old who did not benefit from the coronary bypass surgery were as fully informed as those who did benefit from the surgery as to the risks of the surgery prior to undergoing it.

E. The patients who underwent coronary bypass surgery but who did not benefit from it were medically indistinguishable, prior to their surgery, from the patients who did benefit.

what is the meaning of this term?

IMO D)
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07 Sep 2008, 08:37
well , even i marked it as D . but the ans says E . donno
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07 Sep 2008, 08:51
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arjtryarjtry wrote:
Of patients over 65 years old who survived coronary bypass surgery—a procedure widely prescribed for people with heart disease—only 75 percent benefited from the surgery. Thus it appears that for one in four such patients, the doctors who advised them to undergo this surgery, with its attendant risks and expense, were more interested in an opportunity to practice their skills and in their fee than in helping the patient.

Which of the following, if true, most seriously undermines the argument?

Doctors were acting in their own interest and making these patients subjects of their surgery practice ( to get adept ). Now some thing that undermines the conclusion is one which says that these doctors were NOT acting in their own interest

A. Many of the patients who receive coronary bypass surgery are less than 55 years old
.
B. Possible benefits of coronary bypass surgery include both relief from troubling symptoms and prolongation of life.

C. Most of the patients in the survey decided to undergo coronary bypass surgery because they were advised that the surgery would reduce their risk of future heart attacks.

D. The patients over 65 years old who did not benefit from the coronary bypass surgery were as fully informed as those who did benefit from the surgery as to the risks of the surgery prior to undergoing it.

E. The patients who underwent coronary bypass surgery but who did not benefit from it were medically indistinguishable, prior to their surgery, from the patients who did benefit.

what is the meaning of this term?

Medically indistinguishable means if X has disease Y and Z does not have disease Y but have all/many of the symptoms of disease Y, a doctor diagnosis can possibly go wrong because of the overlapping or matching symptoms. So this is a judgment error and not an intentional one to get adept at surgery
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07 Sep 2008, 10:03
IMO E. Since it is medically indistinguishable to know if the patient will benefit form the operation doctors cannot tell anything before the operation.....
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18 Oct 2008, 11:45
i think "E" is not correct because eventhough doctors cannot tell who's ganna benefit from the surgery, but they still know only a quater chance of success. and they're are still performing the surgery because of profit, practice skill, ect. " E" does not undermine the argument at all.
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18 Oct 2008, 17:52
of course it is E.
Break down the argument in the simplest possible words. the doctors are practicing on the patients b/c only 75% are successful. so one forth of these patients were just for practice. (sounds like a law suit for me:)

anyways, the last one states, medically indistinguishable. that simply means that doctors could not have known that the procedure will not be successful on this patients. Thus, they could not have chosen these patients to practice, but had the intention to really help them.
Hope this helps.
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19 Oct 2008, 07:13
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arjtryarjtry wrote:
Of patients over 65 years old who survived coronary bypass surgery—a procedure widely prescribed for people with heart disease—only 75 percent benefited from the surgery. Thus it appears that for one in four such patients, the doctors who advised them to undergo this surgery, with its attendant risks and expense, were more interested in an opportunity to practice their skills and in their fee than in helping the patient.
Which of the following, if true, most seriously undermines the argument?

A. Many of the patients who receive coronary bypass surgery are less than 55 years old
.
B. Possible benefits of coronary bypass surgery include both relief from troubling symptoms and prolongation of life.

C. Most of the patients in the survey decided to undergo coronary bypass surgery because they were advised that the surgery would reduce their risk of future heart attacks.

D. The patients over 65 years old who did not benefit from the coronary bypass surgery were as fully informed as those who did benefit from the surgery as to the risks of the surgery prior to undergoing it.

E. The patients who underwent coronary bypass surgery but who did not benefit from it were medically indistinguishable, prior to their surgery, from the patients who did benefit.

what is the meaning of this term?

This is a good question
i was torn between D and E but one thing in GMAT is always try to eliminate,read the argument agfain ,in thew argument author clearly says :
Thus it appears that for one in four such patients, the doctors who advised them to undergo this surgery, with its attendant risks and expense, were more interested in an opportunity to practice their skills and in their fee than in helping the patient.

Thus it clearly says that docs did tell patients about the attended risks and expenses !!!

D. The patients over 65 years old who did not benefit from the coronary bypass surgery were as fully informed as those who did benefit from the surgery as to the risks of the surgery prior to undergoing it.

The option D just repeats whats there in argument

But look at E : this comments on the intention of the docs and clearly says that they were not aware of the differences between two patients!!

E. The patients who underwent coronary bypass surgery but who did not benefit from it were medically indistinguishable, prior to their surgery, from the patients who did benefit. [/b]

IMO E
Kindly post the OA!!!
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19 Oct 2008, 09:11
E.

None of the other make any sense to undermine most
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19 Oct 2008, 15:26
yes...should be E
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18 Feb 2010, 18:21
This is a GMAT Prep question from mba.com. The OA is E. I was tempted by D myself, but E is saying that the 1/4 (non-benefiting person) and the 3/4 patients had exactly the same conditions going into the surgery so there's no way the doctor could know a patient would become a 1/4 rather than a 3/4.

While D states the patients were fully informed, this does not mean that the doctor was pushing a patient to do the surgery knowing that he was a 1/4 rather than a 3/4.
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19 Feb 2010, 04:04
Good Question ...

D is tempting but its not about the Patients being informed about the procedure but rather that the medical condition is indistinguishable since then the DOctor would not know which one to take a chance on..
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26 Mar 2010, 19:10
i was also stuck between D and E...but after consideration, i chose E finally..

first of all, A & B & C are not relevant to the assumption itself..eliminate them as soon as possible

D. in the argument, it says that "doctors who advised..., with its attendant risks and expense..." this indicates that patients have already known the potential risks of the surgery before taking it. then D repeats the meaning "The patients....were as fully informed..."...this doesnt make sense at all in the argument!!

E. its logically correct that nobody could predict the result of something before doing it. even doctors couldnt be sure about the success. they could only advise patients to take surgery based on symptoms and tendencies shown on patients. so this would most seriously undermines the argument
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28 Mar 2010, 05:32
IMO E

It is the only option which says its is not possible to medically differentiate who will benefit from surgery and who will not
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07 Apr 2010, 04:54
E
This is the kind of question I would use POE, because other choices made me think long and looked far fetched
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07 Apr 2010, 10:01
E and only E.D might sound ok till you saw E and was like Yeah
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22 May 2010, 21:28

Regards,
Jack
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30 Jul 2010, 11:08
ssgmat wrote:

Regards,
Jack

Because it does not undermine nothing. It just states something we already know.
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31 Jul 2010, 01:08
Vote for E as well..
Re: CR bypass surgery   [#permalink] 31 Jul 2010, 01:08

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