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Often patients with ankle fractures that are stable, and

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Often patients with ankle fractures that are stable, and [#permalink] New post 05 Jun 2005, 08:20
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A
B
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D
E

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62% (02:29) correct 38% (01:39) wrong based on 212 sessions
Official Guide for GMAT Verbal Review, 2nd Edition

Practice Question
Question No.: 45
Page: 134
Difficulty:



Often patients with ankle fractures that are stable, and thus do not require surgery, are given follow-up x-ray because their orthopedists are concerned about possibly having misjudged the stability of the fracture. When a number of follow-up x-rays were reviewed, however, all the fractures that had initially been judged stable were found to have healed correctly. Therefore, it is a waste of money to order follow-up x-rays of ankle fracture initially judged stable.

Which of the following, if true, most strengthens the argument?

A) Doctors who are general practitioners rather than orthopedists are less likely than orthopedists to judge the stability of an ankle fracture correctly.
B) Many ankle injuries for which an initial x-ray is ordered are revealed by the x-ray not to involve any fracture of the ankle.
C) X-rays of patients of many different orthopedists working in several hospitals were reviewed.
D) The healing of ankle fractures that have been surgically repaired is always checked by means of a follow-up x-ray.
E) Orthopedists routinely order follow-up x-rays for fractures of bone other than ankle bones.
[Reveal] Spoiler: OA

Last edited by Narenn on 07 Oct 2013, 09:41, edited 3 times in total.
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Often patients with ankle fractures that are stable, and [#permalink] New post 11 Feb 2008, 09:12
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Often patients with ankle fractures that are stable, and thus do not
require surgery, are given follow-up x-rays because their orthopedists
are concerned about possibly having misjudged the stability of the fracture.
When a number of follow-up x-rays were reviewed, however, all
the fractures that had initially been judged stable were found to have
healed correctly. Therefore, it is a waste of money to order follow-up
x-rays of ankle fracture initially judged stable.

Which of the following, if true, most strengthens the argument?

A. Doctors who are general practitioners rather than orthopedists are
less likely than orthopedists to judge the stability of an ankle fracture
correctly.
B. Many ankle injuries for which an initial x-ray is ordered are revealed
by the x-ray not to involve any fracture of the ankle.
C. X-rays of patients of many different orthopedists working in several
hospitals were reviewed.
D. The healing of ankle fractures that have been surgically repaired is
always checked by means of a follow-up x-ray.
E. Orthopedists routinely order follow-up x-rays for fractures of bone
other than ankle bones.
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 [#permalink] New post 10 Oct 2007, 21:08
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yash500 wrote:
JDMBA - thanks but still I have question related to answer C.

C says -
C. X-rays of patients of many different orthopedists working in several hospitals were reviewed.

Does it means that X rays from orthopedists suspected whether its true or false and hence gone for review????


No this is not what it is saying.

The author is taking data and drawing a specific conclusion from it. Whenever you see a survey, sample, poll, etc. You should always be suspect of whether the data is representative of the whole.

For instance, if you read about polls for presidentail elections back in the 1920's the polls would indicate that a certain president would win by an overwhelming majority. However, the polls were conducted via telephone and only wealthy citizens had a telephone and the conclusion reached by the poll was not representative of the total population. Hence the prediction was wrong.

In the case of this argument, the author points to a sample of Xrays that were done a second time and the injury was always healed. What if this sample is only from the Worlds Greatest Orthopedist? Would the data gathered from this Orthopedist be representative of all Orthopedists? No. This would make it impossible for anyone to make a conclusion that 2nd xrays should never be done.

So by saying that the data is gathered from "many different orthopedists working in several hospitals", you are confirming that the data is representative and therefore strengthening the argument by eliminating the possibilty that the data is representative of only the Worlds Greatest Orthopedist.
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Re: CR - SET 24 Q22 [#permalink] New post 10 Oct 2007, 21:39
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singh_amit19 wrote:
Often patients with ankle fractures that are stable, and thus do not require surgery, are given follow-up x-rays because their orthopedists are concerned about possibly having misjudged the stability of the fracture. When a number of follow-up x-rays were reviewed, however, all the fractures that had initially been judged stable were found to have healed correctly. Therefore, it is a waste of money to order follow-up x-rays of ankle fracture initially judged stable.

Which of the following, if true, most strengthens the argument?

A. Doctors who are general practitioners rather than orthopedists are less likely than orthopedists to judge the stability of an ankle fracture correctly.

B. Many ankle injuries for which an initial x-ray is ordered are revealed by the x-ray not to involve any fracture of the ankle.

C. X-rays of patients of many different orthopedists working in several hospitals were reviewed.

D. The healing of ankle fractures that have been surgically repaired is always checked by means of a follow-up x-ray.

E. Orthopedists routinely order follow-up x-rays for fractures of bone other than ankle bones.


Definitely C.

A. though could be considered "strengthening," is out of scope
B. is irrelevant because it's talking about ankle injuries in general and not just fractures
C. increases the credibility of the study by showing that it's a sample from a diverse population
D. is irrelevant because it's talking about surgically repaired ankle fractures
E. is irrelevant because it doesn't say anything about ankle fractures
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Re: CR - Ankle fractures [#permalink] New post 15 Apr 2008, 07:45
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I think it's D. Here is why:

if the ankle fractures have been surgically repaired, then it is totally a waste of time and money to have an x-ray of the fractures to see whether it's fixed because that should have been concluded at the time of surgery. I think B is wrong because "many" doesn't imply "most." Just because many ankle injuries don't involve any fractures doesn't mean that most of the injuries are on the same trend.

that's just my opinion. So my answer is D
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 [#permalink] New post 05 Jun 2005, 09:01
Kind of confused but would go with "C".
just because it is the best out of the rest.
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Re: CR: X-Ray [#permalink] New post 05 Jun 2005, 11:37
I am with E.

C also seems but it doesnot tell about what kind of X-rays of patients. In E, it tells Orthopedists routinely order follow-up x-rays for fractures of bone other than ankle bones.
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Re: CR: X-Ray [#permalink] New post 05 Jun 2005, 12:35
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Often patients with ankle fractures that are stable, and thus do not require surgery, are given follow-up x-ray because their orthopedists are concerned
about possibly having misjudged the stability of the fracture. When a number of follow-up x-rays were reviewed, however, all the fractures that had initially been judged stable were found to have healed correctly. Therefore, it is a waste of money to order follow-up x-rays of ankle fracture initially judged stable.

Which of the following, if true, most strengthens the argument?

A) Doctors who are general practitioners rather than orthopedists are less likely than orthopedists to judge the stability of an ankle fracture correctly.

B) Many ankle injuries for which an initial x-ray is ordered are revealed by the
x-ray not to involve any fracture of the ankle.

C) X-rays of patients of many different orthopedists working in several hospitals were reviewed.

D) The healing of ankle fractures that have been surgically repaired is always
checked by means of a follow-up x-ray.

E) Orthopedists routinely order follow-up x-rays for fractures of bone other than ankle bones.

No OA on this one - we will need to come to a consensus[/quote]

I pick C because when i read the argument, the first thing that i though of was 'was the survey big enough' which fits in with C.

anyway using POE:
A compares GPs and orthos....no relevance
B talks about injuries without fracture...no relevance
C tells you that the study was extensive and done in a variety of environments, thus strengthening the fact that you can make a generalised conclusion like the one above..
D tells you that followups are done...which doesnt strengthen the argument
E says that orthos do follow ups on other injuries too...this weakens the conclusion if anything...because if they do it for other things, why should they stop for ankles.

The only remaining answer is C

well thats my way of thinking in any case
obviously could be completely off
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 [#permalink] New post 14 Jun 2005, 03:48
It's a confusing question.
I feel that C is the best choice because it strengthens the argument by stating that all the samples that passage is talking about were diverse and hence cannot be a coincidence.
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 [#permalink] New post 14 Jun 2005, 06:25
I think the answer is B because it says that when initial injuries are x-rayed, they too are determined to have no fractures. the paragraph deals with follow up x-rays, but makes reference to the initial diagnosis.

i realize the person who posted it doesnt have the OA, but i´ve seen this question published somewhere. Does anyone have this OA??
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 [#permalink] New post 14 Jun 2005, 08:07
B is a scope shift. It deals with ankle injuries which is broader than ankle fractures.

I also pick C after POE.
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 [#permalink] New post 14 Jun 2005, 08:27
I would go with A
From the passage we know that an orthopedist's judgment about the stability of an ankle is correct. Based on this a sweeping conclusion is made saying that follow-up x-rays are a waste of money. One way to strengthen this will be as in A which says general practitioners are less likely to pass judgment about the stability of an ankle which means only orthopedists do so.
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 [#permalink] New post 14 Jun 2005, 08:33
I think A weakens the argument in explaining why there could have an interest to make some X-ray follow up...
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 [#permalink] New post 14 Jun 2005, 08:45
twixt wrote:
I think A weakens the argument in explaining why there could have an interest to make some X-ray follow up...


I do not think A weakens the argument.
The passage talks about orthopedists judgement and based on that it makes a conclusion that x-rays are a waste of money.
The assumption underlying this conclusion is that only orthopedists pass judgement - which is what A states explicitly.
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 [#permalink] New post 14 Jun 2005, 08:52
My vision of the stem was :

Even orthos who are the best able to judge if a fracture will heal correctly or not are prescribing some xray even unnecessarily

Doctors are less likely than orthopedists to judge the stability of an ankle fracture correctly : why does it strengthen there is no more need of follow up whereas doctors are less experienced in that matter ?

Moreover I guess it is a scope shift introducing a new category.
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 [#permalink] New post 14 Jun 2005, 09:16
C. All the ans choices but C seems weird.
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Often patients with ankle fractures that are stable, and [#permalink] New post 12 Sep 2006, 05:57
Often patients with ankle fractures that are stable, and thus do not require surgery, are given follow-up x-ray because their orthopedists are concerned about possibly having misjudged the stability of the fracture. When a number of follow-up x-rays were reviewed, however, all the fractures that had initially been judged stable were found to have healed correctly. Therefore, it is a waste of money to order follow-up x-rays of ankle fracture initially judged stable.





Which of the following, if true, most strengthens the argument?



A) Doctors who are general practitioners rather than orthopedists are less likely than orthopedists to judge the stability of an ankle fracture correctly.



B) Many ankle injuries for which an initial x-ray is ordered are revealed by the x-ray not to involve any fracture of the ankle.



C) X-rays of patients of many different orthopedists working in several hospitals were reviewed.



D) The healing of ankle fractures that have been surgically repaired is always checked by means of a follow-up x-ray.



E) Orthopedists routinely order follow-up x-rays for fractures of bone other than ankle bones.
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 [#permalink] New post 12 Sep 2006, 06:01
I would go with C. This is talking about how the sample is well represented. And hence, strengthens the finding.
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 [#permalink] New post 12 Sep 2006, 06:23
I am confused between C and E.
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 [#permalink] New post 12 Sep 2006, 06:29
I go with C... It strengthens the evidence :-D ...
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