Modern physicians often employee laboratory tests, in : GMAT Critical Reasoning (CR)
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# Modern physicians often employee laboratory tests, in

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Modern physicians often employee laboratory tests, in [#permalink]

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09 Feb 2011, 20:27
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Modern physicians often employee laboratory tests, in addition to physical examinations, in order to diagnose diseases accurately. Insurance company regulations that deny coverage for certain laboratory tests therefore decrease the quality of medical care provided to patients.

Which one of the following is an assumption that would serve to justify the conclusion above?

(A) Physical examinations and the uncovered laboratory tests together provide a more accurate diagnosis of many diseases than do physical examinations alone.

(B) Many physicians generally oppose insurance company regulations that, in order to reduce costs, limit the use of laboratory tests.

(C) Many patients who might benefit from the uncovered laboratory tests do not have any form of health insurance.

(D) There are some illnesses that experienced physicians can diagnose accurately from physicians examination alone.

(E) Laboratory tests are more costly to perform than are physical examinations.
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09 Feb 2011, 20:44
B ??
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09 Feb 2011, 22:50
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IMO A.
the conclusion here is "Insurance company regulations that deny coverage for certain laboratory tests therefore decrease the quality of medical care provided to patients."
in order to justify this we must prove insurance regulations decrease medical care quality(quality would mean correct diagnosis, correct treatment etc...we do not know exactly what it is).
now
choice A says without lab tests there wont be an accurate diagnosis----good one, lets see others
choice B , so wat if physicians oppose?? doesn't mean a thing---- irrelevant
choice C, so they dont have insurance. ok, but if they DO have insurance wat wud happen? a lot of questions arise. will that insurance cover tests? is not having insurance affecting quality of healthcare? nah----inconclusive
choice D and E are obviously irrelavant
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09 Feb 2011, 22:57
I will go with A.
B just indicates physician's opinion- which cannot be credited enough to be a justification.
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Re: Aristotle LSAT Tough CR [#permalink]

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10 Feb 2011, 05:56
Looks like I got it wrong
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Re: Aristotle LSAT Tough CR [#permalink]

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11 Feb 2011, 02:43
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Yes ans should be A!
use assumption negation
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Re: Aristotle LSAT Tough CR [#permalink]

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11 Feb 2011, 12:50
+1 A
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Re: Aristotle LSAT Tough CR [#permalink]

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12 Feb 2011, 19:46
A....if you negate this the conclusion falls apart.
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Re: Aristotle LSAT Tough CR [#permalink]

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13 Feb 2011, 23:01
The arg is dependent on the laborary test - its absence violates the conclusion. A more refined version of the assumption "uncovered laboratory tests are essential to diagnosis"
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Re: Aristotle LSAT Tough CR [#permalink]

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13 Feb 2011, 23:40
A correctly identifies the underlying assumption.
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Re: Aristotle LSAT Tough CR [#permalink]

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14 Feb 2011, 02:05
+1 for A

OA pls
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Re: Aristotle LSAT Tough CR [#permalink]

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01 Mar 2011, 06:02
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the conclusion is : Insurance company regulations that deny coverage for certain laboratory tests therefore decrease the quality of medical care provided to patients.

so the assumption obviously is that the laboratory tests which remain uncovered due to insurance company regulations, decrease the quality of medical care .
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Re: Aristotle LSAT Tough CR [#permalink]

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03 Mar 2011, 04:09
+ 1 A
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Re: Aristotle LSAT Tough CR [#permalink]

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06 Mar 2011, 10:23
IMO A.

A is the only option which is in line with the argument and correctly fits in the implied area.

(A) Physical examinations and the uncovered laboratory tests together provide a more accurate diagnosis of many diseases than do physical examinations alone.
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Re: Aristotle LSAT Tough CR [#permalink]

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06 Mar 2011, 23:11
shd be A.
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Re: Aristotle LSAT Tough CR [#permalink]

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08 Mar 2011, 03:32
Yup, "A" .
Re: Aristotle LSAT Tough CR   [#permalink] 08 Mar 2011, 03:32
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