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Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca

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Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post Updated on: 15 Sep 2018, 06:42
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Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure can be used to identify blockages in the coronary arteries. In contrast to angiograms-the invasive procedure customarily used -MRI's pose no risk to patients.Thus to guarantee patient safety, in the attempt to diagnose arterial blockages ,MRI's should replace angiograms in all attempts at diagnosing coronary blockages.

Which of the following would most support the recommendation above?


A. Angiograms can be used to diagnose conditions other than blockages in arteries
B. MRI's were designed primarily in order to diagnose blockages in the coronary arteries
C. Angiograms reveal more information about the nature of blockage than a MRI can
D. An MRI is just as likely as an angiogram to identify an arterial blockage
E. Some patients for whom an angiogram presents no risk are unwilling to undergo an MRI

Originally posted by doloris on 02 Jun 2005, 02:23.
Last edited by billionaire on 15 Sep 2018, 06:42, edited 3 times in total.
Renamed the topic and edited the question.
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 02 Jun 2005, 03:29
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premise: I don't like this question because it seems to play on a subtle difference between diagnosis of arterial blockages and diagnosis of coronary blockages, and I am not supposed to know the difference!

A: out. weakens
C. out. weakens
E. out. weakens.

it is a tough choice b/w B and D.
conclusion:
MRI's should replace angiograms in all attempts at diagnosing coronary blockages.
Given my premise about the question, my final answer is B.
MRI's were designed primarily in order to diagnose blockages in the coronary arteries
while D talks about:
An MRI is just as likely as an angiogram to identify an arterial blockage

hope this helps
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 02 Jun 2005, 03:35
(B) would be the best option. If it was designed primarily in order to diagnose blockages in coronary arteries, then the method would be perfected with the one function in mind.

(A) just serves to say that an Angiograms serves many other purposes.

(C) goes to say MRI is not as good as an Angiogram


(D) looks like a good choice. If an MRI scan is equally capable to identify an arterial blockage, then it should be used since it's a safer method.

(E) goes to indicate that patients have no confidence in the procedure.

Between (D) and (B), I would go with (B). We're already told that MRI is safe, so this premise holds for both (D) and (B). But (B) is stronger as we're told the primary purpose of MRI is to locate blockage in coronary arteries.

B for me.
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 02 Jun 2005, 08:06
The only choices left are B and D

D says, they are as likely as, which could mean, sometimes not better than Angiograms .

B says, MRI is specially designed for that purpose and argument already states that it does the job of identifying the arterial blockages.

I will go with B
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 02 Jun 2005, 12:21
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D)...both are as likely to identify the blockage, but MRI has fewer risks. so lets choose MRI.

B) angiograms can be designed primarily to diagnose XYZ as well. we dont know. its not enough to support the recommendation.
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 02 Jun 2005, 15:29
in B we know that MRI is better than AG.....

D says both are equally effective which doesnt help us
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 02 Jun 2005, 17:13
the fact that they were designed for it doesn't mean that they are better....

only D talks about whether MRIs are as effecting as the traditional method...hence i would go for D too
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 02 Jun 2005, 17:28
Between B/D I will go for D .
because we are asked to find out the option which supports the recommendation..

So any good comment on functionality of the method can be used to recommend.
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 02 Jun 2005, 18:20
D it is.

The argument - replace angiogram with MRI - Why? Because they are safer. However, at the least they shud be able to have the same functionality as angiogram. D says that. Just because MRI is designed to detect coronary arteries, it doesn't mean it is better than angiogram functionalitywise.
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 03 Jun 2005, 02:22
Clear D imo

2 qualities => being safe, efficient. MRI is safer and just as effitient as the other
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 18 Nov 2011, 23:54
gmat2me2 wrote:
in B we know that MRI is better than AG.....

D says both are equally effective which doesnt help us



Hi,
Only the premise says, MIR is better than Angio.
B talks only about MRI's.
D says they are equal, so with premise, conclusions get easier.

Thanks!
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 13 Dec 2011, 01:53
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b)MRI's were designed primarily in order to diagnose blockages in the coronary arteries
Ok, if MRI's have some features that is interior than angiogram, then MRI should not be replaced. So, this answer is wrong.
d)An MRI is just as likely as an angiogram to identify an arterial blockage

This answer support MRI have 1 feature better than angiogram. Other features are the same. So, support.
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 28 Dec 2011, 04:11
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I think it should be D as the end purpose of argument is to conclude that MRI can replace other method of diagnostic and D says that it is same as using MRI so I ill go for D
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 16 Nov 2014, 18:07
I vote for D as well.
the argument is about if we can replace the angiogram with MRI, D option is just establishing a bridge between angiogram and MRI, giving the strong support to the conclusion. We chinese categorize this kind of question as a typical bridge type...
B option only talks about the MRI's function or lets say the purpose of designing it, so it wont help to consolidate the conclusion...
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 17 Nov 2014, 02:14
Magnetic resonance Imaging(MRI) - a noninvasive diagnostic procedure-can be used to identify blockages in the coronary arteries .In contrast to angiograms - the invasive procedure customarily used - MRI's pose no risk to patients. Thus, to guarantee patients' safety, in the attempt to diagnose arterial blockages ,MRI should replace angiograms in all attempts at diagnosing coronary blockages.

Conc.: MRI is superior and hence should replace AG

Which of the following would most support the recommendation above?

a) Angiograms can be used to diagnose conditions other than blockages in arteries - Reverse. AG has additional benefit.
b) MRI's were designed primarily in order to diagnose blockages in the coronary arteries - Shell answer but already stated in argument hence no bearing.
c) Angiograms reveal more information about the nature of blockage than a MRI can - Reverse. AG is more useful than MRI

d) An MRI is just as likely as an angiogram to identify an arterial blockage - MRI is equal effective + More safe hence additional feature so superior to AG.
e) Some patients for whom an angiogram presents no risk are unwilling to undergo an MRI - Preference of some patients. Irrelevant.

Correct me if I am wrong in my reasoning....
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 19 Nov 2014, 22:13
The D is the correct choice as this negates any possibility of MRI over angiography
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 14 Sep 2018, 06:25
Dear All

Please someone clarify what the answer to this questions, some are saying B and other D ?
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 14 Sep 2018, 06:35
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proabhinav wrote:
Dear All

Please someone clarify what the answer to this questions, some are saying B and other D ?


The OA given is D and it rightly supports the recommendation more than B does.
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 14 Sep 2018, 10:11
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B. MRI's were designed primarily in order to diagnose blockages in the coronary arteries
D. An MRI is just as likely as an angiogram to identify an arterial blockage

Answer should be D, since option B mentions that MRI was designed for Coronary arteries.
What if it is NOT as effective diagnostic method as Angiogram. Not a perfect Strengthener.

However, option D clearly mentions that MRI is as effective as Angiogram + its non-invasive.: Clearly strengthens case for MRI.
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca &nbs [#permalink] 14 Sep 2018, 10:11
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