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In large doses, analgesics that work in the brain as antagonists to ce

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In large doses, analgesics that work in the brain as antagonists to ce  [#permalink]

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New post Updated on: 24 Aug 2018, 03:51
1
00:00
A
B
C
D
E

Difficulty:

  45% (medium)

Question Stats:

47% (00:27) correct 53% (00:45) wrong based on 127 sessions

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In large doses, analgesics that work in the brain as antagonists to certain chemicals have caused psychological disturbances in patients, which may limit their potential to relieve severe pain.


(A) which may limit their potential to relieve

(B) which may limit their potential for relieving

(C) which may limit such analgesics’ potential to relieve

(D) an effect that may limit their potential to relieve

(E) an effect that may limit the potential of such analgesics for relieving

Originally posted by skg on 10 Sep 2009, 09:09.
Last edited by Bunuel on 24 Aug 2018, 03:51, edited 2 times in total.
Renamed the topic and edited the question.
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Re: In large doses, analgesics that work in the brain as antagonists to ce  [#permalink]

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New post 10 Sep 2009, 09:22
skg wrote:
In large doses, analgesics that work in the brain as antagonists to certain chemicals have caused psychological disturbances in patients, which may limit their potential to relieve severe pain.
(A) which may limit their potential to relieve
(B) which may limit their potential for relieving
(C) which may limit such analgesics’ potential to relieve
(D) an effect that may limit their potential to relieve
(E) an effect that may limit the potential of such analgesics for relieving


E.

Which is incorrectly used to refer to the patients. It is the effect of the disturbances that may limit the antagonists from relieving the pain.
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Re: In large doses, analgesics that work in the brain as antagonists to ce  [#permalink]

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New post 10 Sep 2009, 09:28
skg wrote:
In large doses, analgesics that work in the brain as antagonists to certain chemicals have caused psychological disturbances in patients, which may limit their potential to relieve severe pain.

(A) which may limit their potential to relieve
(B) which may limit their potential for relieving
(C) which may limit such analgesics’ potential to relieve
(D) an effect that may limit their potential to relieve
(E) an effect that may limit the potential of such analgesics for relieving


"Which" in A, B and C is incorrect.

"Their" could refers to "analgesics", "certain chemicals", "psychological disturbances", and "patients". So it is unclear.

In E, "such analgesics" clearly refers to "analgesics". Therefore E is correct...
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Re: In large doses, analgesics that work in the brain as antagonists to ce  [#permalink]

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New post 10 Sep 2009, 19:54
3
Quote:
In large doses, analgesics that work in the brain as antagonists to certain chemicals have caused psychological disturbances in patients, which may limit their potential to relieve severe pain.

(A) which may limit their potential to relieve
(B) which may limit their potential for relieving
(C) which may limit such analgesics’ potential to relieve
(D) an effect that may limit their potential to relieve
(E) an effect that may limit the potential of such analgesics for relieving


With this question, you should spot the "comma" in the middle of the sentence with the word "which" next to it.

There are two considerations when evaluating "which."
1) Structural
2) Meaning

The way the sentence is structured, "which" is describing "patients." That's just what the structure of the sentence dictates. But from a meaning perspective, you are trying to describe "psychological disturbances"--not "patients." Since structurally the word "which" is incorrectly describing "patients" we need to change the sentence structure. Therefore (A), (B), and (C) are wrong and now it's between (D) and (E).

Reading (D) we have:

"In large doses, analgesics that work in the brain as antagonists to certain chemicals have caused psychological disturbances in patients, an effect that may limit their potential to relieve."

You see the phrase "which may limit their potential to relieve severe pain."

There are multiple plural words here so we don't know what "their" refers to---does it refer to psychological disturbances, analgesics, or chemicals? Sure you could probably figure out which one it is, but from a structural standpoint, it is not clear which word "their" refers to. Therefore, you must reword the sentence so that it is clear what "their" refers to.
(D) looks unclear so let's look at (E).

(E) an effect that may limit the potential of such analgesics for relieving
This answer choice gets rid of the ambiguity associated with the word "their" and it also does not use the word "which"--which is positioned to incorrectly describe "patients." Although (E) is longer than the other answer choices, it is free of error. Therefore, (E) is correct.
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Re: In large doses, analgesics that work in the brain as antagonists to ce  [#permalink]

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New post 11 Sep 2009, 09:34
gmatpill wrote:
Quote:
In large doses, analgesics that work in the brain as antagonists to certain chemicals have caused psychological disturbances in patients, which may limit their potential to relieve severe pain.

(A) which may limit their potential to relieve
(B) which may limit their potential for relieving
(C) which may limit such analgesics’ potential to relieve
(D) an effect that may limit their potential to relieve
(E) an effect that may limit the potential of such analgesics for relieving


With this question, you should spot the "comma" in the middle of the sentence with the word "which" next to it.

There are two considerations when evaluating "which."
1) Structural
2) Meaning

The way the sentence is structured, "which" is describing "patients." That's just what the structure of the sentence dictates. But from a meaning perspective, you are trying to describe "psychological disturbances"--not "patients." Since structurally the word "which" is incorrectly describing "patients" we need to change the sentence structure. Therefore (A), (B), and (C) are wrong and now it's between (D) and (E).

Reading (D) we have:

"In large doses, analgesics that work in the brain as antagonists to certain chemicals have caused psychological disturbances in patients, an effect that may limit their potential to relieve."

You see the phrase "which may limit their potential to relieve severe pain."

There are multiple plural words here so we don't know what "their" refers to---does it refer to psychological disturbances, analgesics, or chemicals? Sure you could probably figure out which one it is, but from a structural standpoint, it is not clear which word "their" refers to. Therefore, you must reword the sentence so that it is clear what "their" refers to.
(D) looks unclear so let's look at (E).

(E) an effect that may limit the potential of such analgesics for relieving
This answer choice gets rid of the ambiguity associated with the word "their" and it also does not use the word "which"--which is positioned to incorrectly describe "patients." Although (E) is longer than the other answer choices, it is free of error. Therefore, (E) is correct.


Nicely explained. 8-)
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Re: In large doses, analgesics that work in the brain as antagonists to ce  [#permalink]

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New post 12 Sep 2011, 04:12
Would - an effect that may limit the potential of such analgesics "to relieve" severe pain, been better than D ?
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Re: In large doses, analgesics that work in the brain as antagonists to ce  [#permalink]

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New post 16 Jun 2018, 21:39
GMATPill, can please tell me whether options could be eliminated basis "to relieve" and "for relieving" split.
Re: In large doses, analgesics that work in the brain as antagonists to ce &nbs [#permalink] 16 Jun 2018, 21:39
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