Some patients who do not respond to therapies for depression : GMAT Sentence Correction (SC)
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# Some patients who do not respond to therapies for depression

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Some patients who do not respond to therapies for depression [#permalink]

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04 May 2008, 17:16
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Some patients who do not respond to therapies for depression may simply have received inadequate treatment, having, for example, been prescribed a drug at a dosage too low to be effective or having been taken off a drug too soon.

A. having, for example, been prescribed a drug at a dosage too low to be effective or having been
B. having, for example, a drug prescription that was ineffective because the dosage was too low, or being
C. as, for example, having too low of a dosage of a prescribed drug for it to be effective, or being
D. when they have, for example, been prescribed too low a drug dosage to be effective, or were
E. for example, when they have a drug prescription with a dosage too low to be effective, or been
[Reveal] Spoiler: OA
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Re: Some patients who do not respond to therapies for depression [#permalink]

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04 May 2008, 18:54
Sure A.
No 'beings' and no clear referrent to 'they'.
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05 May 2008, 12:17
OA is A. Can anyone provide analysis for the answer choice A.
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Re: Some patients who do not respond to therapies for depression [#permalink]

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05 May 2008, 18:45
I'd say A because of the tense. present perfect is correctly used here - the patients have been prescribed implies patients were being prescribed and are still being prescribed, ditto for having being taken off ..
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Re: Some patients who do not respond to therapies for depression [#permalink]

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19 May 2012, 10:37
Some patients who do not respond to therapies for depression may simply have received inadequate treatment,
having,(for example),been prescribed a drug at a dosage too low to be effective or having been taken off a drug
too soon.

Parallelism .

Check other options
B-having, for example, a drug prescription that was ineffective because the dosage was too low, or being
C-as, (for example), having too low of a dosage of a prescribed drug for it to be effective, or being
D-when they have, (for example), been prescribed too low a drug dosage for it to be effective, or were
E-for example, when they have a drug prescription with a dosage too low to be effective, or been

Hope it is clear...
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Re: Some patients who do not respond to therapies for depression [#permalink]

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20 Apr 2015, 02:06
Hello from the GMAT Club VerbalBot!

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Re: Some patients who do not respond to therapies for depression [#permalink]

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01 Jul 2016, 01:32
I ruled out A as:
I thought since the sentence is giving two examples 'having been prescribed ..' and 'having been taken off...' both should follow after 'for example'. So it should look like - "for example, having been prescribed a drug as a dosage too low to be effective or having been"

How can I make myself familiar with this kind of structure.

Is E incorrect because -
'have a drug prescription (simple present/active)' and 'have been taken off (present perfect/passive) are not parallel. Which one is a bigger deal tense or voice change?

Is this an OG problem?

Experts pls help
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Re: Some patients who do not respond to therapies for depression [#permalink]

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01 Jul 2016, 06:40
Nina1987 wrote:
I ruled out A as:
I thought since the sentence is giving two examples 'having been prescribed ..' and 'having been taken off...' both should follow after 'for example'. So it should look like - "for example, having been prescribed a drug as a dosage too low to be effective or having been"

How can I make myself familiar with this kind of structure.

Hi Nina1987, for example is basically used as a Parenthetical Expression here. Such constructs give a slight pause/interrupt the main clause. Some example:

Usain Bolt, by all measures, is the best sprinter the world has ever seen.

Peter, in all likelihood, will join Wharton.

I believe this is the reason why you chose E, because all other options use Parenthetical Expression.

Quote:
Is E incorrect because -
'have a drug prescription (simple present/active)' and 'have been taken off (present perfect/passive) are not parallel. Which one is a bigger deal tense or voice change?

Neither tense nor voice is a big deal, in the sense that different parts of the sentence can be in different tense/voice. It depends on the context. An easy way to eliminate E is because it seems to suggest that prescription has a low dosage (while in reality, drug has a low dosage).
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Re: Some patients who do not respond to therapies for depression [#permalink]

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01 Jul 2016, 08:28
A

parallelism wins in A.. now where else || ism is maintained.

X or Y-idiom which are only parallel in the default statemnt
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Re: Some patients who do not respond to therapies for depression [#permalink]

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01 Jul 2016, 11:49
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quiet888 wrote:
Some patients who do not respond to therapies for depression may simply have received inadequate treatment, having, for example, been prescribed a drug at a dosage too low to be effective or having been taken off a drug too soon.

A. having, for example, been prescribed a drug at a dosage too low to be effective or having been
B. having, for example, a drug prescription that was ineffective because the dosage was too low, or being
C. as, for example, having too low of a dosage of a prescribed drug for it to be effective, or being
D. when they have, for example, been prescribed too low a drug dosage to be effective, or were
E. for example, when they have a drug prescription with a dosage too low to be effective, or been

A. having, for example, been prescribed a drug at a dosage too low to be effective or having been. Correct parallalism
B. having, for example, a drug prescription that was ineffective because the dosage was too low, or being. How can a drug prescription be ineffective? Also, 'being' is generally wrong on GMAT
C. as, for example, having too low of a dosage of a prescribed drug for it to be effective, or being as having X is not parallel with as having y. Also, 'being' is generally wrong on GMAT
D. when they have, for example, been prescribed too low a drug dosage to be effective, or were or preceeded by ',' must be followed by an independent sentence
E. for example, when they have a drug prescription with a dosage too low to be effective, or been or preceeded by ',' must be followed by an independent sentence

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Re: Some patients who do not respond to therapies for depression [#permalink]

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24 Aug 2016, 04:16
quiet888 wrote:
Some patients who do not respond to therapies for depression may simply have received inadequate treatment, having, for example, been prescribed a drug at a dosage too low to be effective or having been taken off a drug too soon.

A. having, for example, been prescribed a drug at a dosage too low to be effective or having been
B. having, for example, a drug prescription that was ineffective because the dosage was too low, or being
C. as, for example, having too low of a dosage of a prescribed drug for it to be effective, or being
D. when they have, for example, been prescribed too low a drug dosage to be effective, or were
E. for example, when they have a drug prescription with a dosage too low to be effective, or been

The second part of the sentence is a modifier that is modifying the entire clause and not just inadequate treatment. So we definitely need a ing modifier

C D E out

Between A and B

Parallelism wins.

A
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Re: Some patients who do not respond to therapies for depression [#permalink]

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25 Aug 2016, 02:32
Can someone elaborate on the correctness of using 'having been' in option A?
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Some patients who do not respond to therapies for depression [#permalink]

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25 Aug 2016, 03:17
sudhirgupta93 wrote:
Can someone elaborate on the correctness of using 'having been' in option A?

sudhirgupta93 Passive voice is required here because obviously the patient is at the receiving end; he/she is being prescribed the medicine by someone else.
Some patients who do not respond to therapies for depression   [#permalink] 25 Aug 2016, 03:17
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