Any medical test will sometimes fail to detect a condition : GMAT Sentence Correction (SC)
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# Any medical test will sometimes fail to detect a condition

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Director
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Any medical test will sometimes fail to detect a condition [#permalink]

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26 May 2005, 15:12
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Any medical test will sometimes fail to detect a condition when it is present and indicate that there is one when it is not.

(A) a condition when it is present and indicate that there is one
(B) when a condition is present and indicate that there is one
(C) a condition when it is present and indicate that it is present
(D) when a condition is present and indicate its presence
(E) the presence of a condition when it is there and indicate its presence
[Reveal] Spoiler: OA
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Director
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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03 Jun 2005, 07:24
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gmataquaguy wrote:
I have no idea how to break this sentence down. MY AC is a D.

I eliminated any AC with "that" because it doenst serve either as a linking conjuction or as introducing a relative clause. If its introduces a relative clause it doesnt follow parallelism.

Root Phrase: Any medical test will sometimes fail to (1) detect when a condition is present <AND> (2) indicate its presence when it not.

Element (1): Phrase.
Element (2): Phrase.

All other answer choices break the parallelism mold becuase the element (1) and (2) are never parallel.

What is the OE for C? I havent seen a convincing response yet. Also doesnt AC "C" break the parallellism rule? And "that" introduces a restrictive clause. So what is the conjuction "and" really joining? 2 unequal parts? How is that even possible? "And" should always be used as a coordinating conjuction, joining equal parts. Where are the equal parts here?
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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02 Jul 2009, 11:37
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Any medical test will sometimes fail to detect a condition when it is present and indicate that there is one when it is not.
(A) a condition when it is present and indicate that there is one - pronoun confusion and 'there is' is almost always wrong
(B) when a condition is present and indicate that there is one - 'there is' is almost always wrong
(C) a condition when it is present and indicate that it is present - This is correct
(D) when a condition is present and indicate its presence - awkward
(E) the presence of a condition when it is there and indicate its presence - awkward
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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01 Mar 2011, 05:41
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b,d and e are clear cases of altered intent . you can see that the meaning of the original sentence changes in b, d and e.

so a and c remain , and parallel usage makes c the winner
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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01 Jan 2013, 13:44
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(C) a condition when it is present and indicate that it is present
Correct. This choice is more concise and clear.

(E) the presence of a condition when it is there and indicate its presence
-In first underlined part: The use of pronoun "it" is ambiguous as it is wrongly referring to "presence" (action noun) rather than the "condition".
-In second underlined part: "indicate its presence when it is not" is incorrect as it means "indicate condition's presence when it condition is not", which is wordy and doesn't make much sense. We should say "indicate that it [condition] is present when it is not [present]." Words in the bracket are implied.
- Also structure "a condition when it is present" is more concise.

One of the generic guideline to prefer verb to action noun. (Remember: its not a rule but a guideline) - MGMAT SC guide
Pattern: Prefer verb to action noun
o Wordy: The townspeople’s revolution was against the king.
 Revolution is a noun that expresses an action
o Better: The townspeople revolted against the king.

"a condition when it is present" is more concise and clearer than "the presence of condition when it is there". ("presence" is the action noun here)
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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01 Jan 2013, 15:16
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(E) is wrong and the difference is the following:
...fail to detect a condition when it is present...
...fail to detect the presence of a condition when it is there...

Once you add in "the presence of a condition" ...then the "it" doesn't know which noun to reference. In the prior case, "it" was referencing "condition" so that was clear. But in the new version....it's ambiguous. Is it referencing "presence" or "condition"?

It should be "fail to detect the presence of a condition when the CONDITION is there"....that is the intended meaning and that's why (E) is not right.
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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26 May 2005, 16:54
C. Correct Usage.

(C) a condition when it is present and indicate that it is present[/quote]
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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30 May 2005, 12:33
I have no idea how to break this sentence down. MY AC is a D.

I eliminated any AC with "that" because it doenst serve either as a linking conjuction or as introducing a relative clause. If its introduces a relative clause it doesnt follow parallelism.

Root Phrase: Any medical test will sometimes fail to (1) detect when a condition is present <AND> (2) indicate its presence when it not.

Element (1): Phrase.
Element (2): Phrase.

All other answer choices break the parallelism mold becuase the element (1) and (2) are never parallel.
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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30 May 2005, 12:44
C sounds clearer than the rest....I would pick C!
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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30 May 2005, 20:02
C it is

fail to detect + noun (presence or condition)

fail to detect when - does not form a correct construction
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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31 May 2005, 18:45
Quote:
My AC is "C".

what is AC?
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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01 Jun 2005, 12:11
The OA is C.
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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01 Jun 2005, 13:06
Can someone explain to me what is the difference between "there is one" and "it is present?" I thought A looks pretty decent too.
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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03 Jun 2005, 08:38
TooLegitToQuit wrote:
Can someone explain to me what is the difference between "there is one" and "it is present?" I thought A looks pretty decent too.

there is one when there is none is the right usage.

HMTG.
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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13 Jun 2005, 18:20

Could someone please answer my question. I found this response. Does anyone else feel like AC "C" breaks parallelism?

http://www.gmatclub.com/phpbb/viewtopic ... +condition

regards,
gmataquaguy
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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02 Jul 2009, 06:07
Any medical test will sometimes fail to detect a condition when it is present and indicate that there is one when it is not.
(A) a condition when it is present and indicate that there is one
(B) when a condition is present and indicate that there is one
(C) a condition when it is present and indicate that it is present
(D) when a condition is present and indicate its presence
(E) the presence of a condition when it is there and indicate its presence
[Reveal] Spoiler:
c

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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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02 Jul 2009, 06:19
Any medical test will sometimes fail to detect a condition when it is present and indicate that there is one when it is not.
(A) a condition when it is present and indicate that there is one
(B) when a condition is present and indicate that there is one
(C) a condition when it is present and indicate that it is present
(D) when a condition is present and indicate its presence
(E) the presence of a condition when it is there and indicate its presence
[Reveal] Spoiler:
c

I think it is D for parellelism ... "when ... when .."

B is awkward construction. D is parallel and concise.
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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02 Jul 2009, 09:48
I chose C.

I eliminated B, D, & E b/c they all sounded awkward. This is difficult to put my finger on it, but I just read both sentences with both option A and option C. Although option A sounded ok, option C sounded a little better to me.
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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03 Jul 2009, 06:45
ya .. now I see why C is better ...
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Re: Any medical test will sometimes fail to detect a condition [#permalink]

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03 Jul 2009, 08:59
well, I thought it was D C sounds much more better but it only dawned on me now
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Re: Any medical test will sometimes fail to detect a condition   [#permalink] 03 Jul 2009, 08:59

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