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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: 18 Jan 2020, 05:48
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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 Bunuel on 18 Jan 2020, 05:48, edited 4 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
1
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, 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 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 17 Nov 2014, 02:14
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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 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 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  [#permalink]

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New post 15 Jun 2019, 07:02
Quote:
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?


Our author concludes that MRIs should replace angiograms to fully guarantee safety. He supports this thought by stating that MRIs pose no risk to patients. He seems to assume that angiograms don’t have another purpose OR that they are or equal cost OR that they both diagnose accurately at all times.

A. Angiograms can be used to diagnose conditions other than blockages in arteries.
How angiograms “diagnose conditions OTHER than blockages in arteries” is no relevant to us.

B. MRI's were designed primarily in order to diagnose blockages in the coronary arteries.
MRI’s primary purpose is not relevant. We care about its relevance to angiograms.

C. Angiograms reveal more information about the nature of blockage than a MRI can
This answer choice actually weakens the recommendation because it tells us that angiograms perform a different function and therefore should not be replaced with MRIs 100%.

D. An MRI is just as likely as an angiogram to identify an arterial blockage.
This is our pre-think answer! :)

E. Some patients for whom an angiogram presents no risk are unwilling to undergo an MRI
Similarly to (C), this presents a reason that would weaken the recommendation. Just because there’s not risk doesn’t mean it can replace an MRI - what if people don’t want to go through an MRI?

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

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New post 20 Jul 2019, 18:41
The argument is that MRIs should replace Angiograms in all attempts to identify arterial blockages and guarantee patient safety as
- MRIs are non-invasive
- Angiograms are invasive and pose a risk (in contrast to...)


A is incorrect because it points out an alternate use case for angiograms and thus weakens the recommendation; the same as C
B is incorrect because it states a general fact about MRIs that is not conducive to the recommendation
C is incorrect for the same reason.
D is correct because it asserts the functional similarity between the two procedures/ devices.
E doesn't support the recommendation. Some could be 1 also.
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca  [#permalink]

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New post 02 Feb 2020, 06:48
thearch wrote:
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


You already answered clearly why D IS THE CORRECT ANS . The argument says ..MRI's should replace angiograms in all attempts at diagnosing coronary blockages. which clearly points to opt D An MRI is just as likely as an angiogram to identify an arterial blockage .
So if both are exactly same then we can totally replace angiog with MRI .

B says MRI's were designed primarily in order to diagnose blockages in the coronary arteries so its not clear whether it has become more advanced in same section and can perform as well as angiog .
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Re: Magnetic resonance Imaging(MRI)-a noninvasive diagnostic procedure ca   [#permalink] 02 Feb 2020, 06:48
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