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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New post 30 Jun 2007, 09:19
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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.

D or E...please explain
[Reveal] Spoiler: OA

Last edited by JarvisR on 30 Jun 2015, 23:24, edited 1 time in total.
OA updated
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Re: Of patients over 65 years old who survived coronary bypass [#permalink]

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New post 30 Jun 2007, 09:27
I would go with answer E here because in E it was clearly mentioned that doctors couldn't medically indistinguish between the patients who benifitted and patient who didn't benifit.

So doctors didn't recommend the patients to go for surgery for the sake of money.

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

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New post 30 Jun 2007, 12:36
vineetgupta 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.

D or E...please explain


I would also go for E.

The argument says that : For the patients of 65+ old, only 75% benefited. Hence for 25% times, doctor did not gave them proper advice that surgery might not be beneficial to them.

E says that before surgery, the patients were in same medical condition. Hence if the surgery worked for 75% people, it should have worked for 25% also. This sentence properly undermines the argument that doctors gave wrong advice.
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Re: Of patients over 65 years old who survived coronary bypass [#permalink]

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New post 30 Jun 2007, 13:00
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vineetgupta 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.

D or E...please explain


Both D and E undermine the argument. But IMHO E states a stronger reason.
In D, doctors did their job of informing the patients.
IN E, doctors did not or could not have a self motive because the patients who could benefit and who could not benefit were medically indistinguishable
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Re: Of patients over 65 years old who survived coronary bypass [#permalink]

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goalsnr wrote:
vineetgupta 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.

D or E...please explain


Both D and E undermine the argument. But IMHO E states a stronger reason.
In D, doctors did their job of informing the patients.
IN E, doctors did not or could not have a self motive because the patients who could benefit and who could not benefit were medically indistinguishable


The flaw with D here is that the patients were fully informed but of what ..?? were they informed that surgery would beneficial to them ? But was the surgery needed for them ? Hence D does not do job properly or as better as E.
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Re: Of patients over 65 years old who survived coronary bypass [#permalink]

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New post 29 May 2011, 08:55
E
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Re: Of patients over 65 years old who survived coronary bypass [#permalink]

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New post 29 May 2011, 09:19
will vote for E.

what is OA?
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Re: Of patients over 65 years old who survived coronary bypass [#permalink]

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New post 29 May 2011, 21:53
Its a clean E here.Negating E clearly supports the statement.
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Re: Of patients over 65 years old who survived coronary bypass [#permalink]

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New post 30 May 2011, 04:44
Clearly E here!
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Re: Of patients over 65 years old who survived coronary bypass [#permalink]

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New post 21 Nov 2011, 05:55
Amit05 wrote:
goalsnr wrote:
vineetgupta 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.

D or E...please explain


Both D and E undermine the argument. But IMHO E states a stronger reason.
In D, doctors did their job of informing the patients.
IN E, doctors did not or could not have a self motive because the patients who could benefit and who could not benefit were medically indistinguishable


The flaw with D here is that the patients were fully informed but of what ..?? were they informed that surgery would beneficial to them ? But was the surgery needed for them ? Hence D does not do job properly or as better as E.


Marked D :( ...
But your explanation helped ... now I know why it is E ! thanks :)
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Re: Of patients over 65 years old who survived coronary bypass [#permalink]

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New post 21 Nov 2011, 13:39
E it is
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Re: Of patients over 65 years old who survived coronary bypass [#permalink]

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New post 13 Dec 2011, 01:11
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Re: Of patients over 65 years old who survived coronary bypass [#permalink]

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New post 26 Dec 2011, 11:23
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Re: Of patients over 65 years old who survived coronary bypass [#permalink]

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New post 30 Sep 2015, 19:07
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Re: Of patients over 65 years old who survived coronary bypass [#permalink]

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New post 08 Oct 2016, 00:30
Hello from the GMAT Club VerbalBot!

Thanks to another GMAT Club member, I have just discovered this valuable topic, yet it had no discussion for over a year. I am now bumping it up - doing my job. I think you may find it valuable (esp those replies with Kudos).

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Re: Of patients over 65 years old who survived coronary bypass   [#permalink] 08 Oct 2016, 00:30
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