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Certain messenger molecules fight damage to the lungs from noxious air

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Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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Certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs’ airways to contract. This partially seals off the lungs. An asthma attack occurs when the messenger molecules are activated unnecessarily, in response to harmless things like pollen or household dust.

Which of the following, if true, points to the most serious flaw of a plan to develop a medication that would prevent asthma attacks by blocking receipt of any messages sent by the messenger molecules referred to above?


(A) Researchers do not yet know how the body produces the messenger molecules that trigger asthma attacks.

(B) Researchers do not yet know what makes one person’s messenger molecules more easily activated than another’s.

(C) Such a medication would not become available for several years, because of long lead times in both development and manufacture.

(D) Such a medication would be unable to distinguish between messages triggered by pollen and household dust and messages triggered by noxious air.

(E) Such a medication would be a preventative only and would be unable to alleviate an asthma attack once it had started

Official Guide for GMAT Verbal Review, 2nd Edition

Practice Question
Question No.: 36
Page: 129
Difficulty:

Originally posted by cnshahare on 26 Sep 2012, 02:08.
Last edited by Bunuel on 04 Oct 2018, 01:28, edited 4 times in total.
Renamed the topic and edited the question.
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Re: Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 29 Oct 2013, 06:32
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Certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs airways to contract. This partially seals off the lungs. An asthma attack occurs when the messenger molecules are activated unnecessarily, in response to harmless things like pollen or household dust.

Which of the following, if true, points to the most serious flaw of a plan to develop a medication that would prevent asthma attacks by blocking receipt of any messages sent by the messenger molecules referred to above

There is no conclusion in the stimulus...it is all premises. The "conclusion" in any plan of action is the objective of the plan, and the "premises" are the steps of the plan. In this case, the conclusion would be to develop a medication that prevents asthma attacks, and the premises are the statements in the stimulus and that the medication would prevent the receipt of messages sent by the messenger molecules.

Answer choice A is out of scope. Knowing how the messages are formed is not relevant. We are only interested in them being transmitted or blocked.

Answer choice B is also out of scope. We are comparing messages being sent by messenger molecules in general, and not differences amongst people.

Answer choice C is irrelevant. Having some lead time does not make the plan flawed.

Answer choice D correctly indicates a potential problem: while perhaps it would prevent asthma attacks from relatively harmless molecules like dust, it could also result in serious injury by allowing for intake of harmful air. This is a flaw in a plan that is designed to help people.

Answer choice E is out of scope. We are talking about preventing asthma attacks, not stopping them once they have started.

I hope this helps!!!

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Re: Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 26 Sep 2012, 03:38
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Certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs airways to contract. This partially seals off the lungs. An asthma attack occurs when the messenger molecules are activated unnecessarily, in response to harmless things like pollen or household dust.

Which of the following, if true, points to the most serious flaw of a plan to develop a medication that would prevent asthma attacks by blocking receipt of any messages sent by the messenger molecules referred to above

+1 D

Clearly if we the new medication blocks the receipt of ANY messages sent by the messenger molecules, it might not be able to differentiate between what is harmful and harmless. This is the flaw in the plan and has been mentioned correctly in option D.

:-D
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Re: Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 17 Jan 2014, 06:05
getgyan wrote:
Certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs airways to contract. This partially seals off the lungs. An asthma attack occurs when the messenger molecules are activated unnecessarily, in response to harmless things like pollen or household dust.

Which of the following, if true, points to the most serious flaw of a plan to develop a medication that would prevent asthma attacks by blocking receipt of any messages sent by the messenger molecules referred to above

+1 D

Clearly if we the new medication blocks the receipt of ANY messages sent by the messenger molecules, it might not be able to differentiate between what is harmful and harmless. This is the flaw in the plan and has been mentioned correctly in option D.

:-D



Exactly!
The argument put forth (to develop a medication that would prevent asthma attacks by blocking receipt of any messages sent by the messenger molecules) disregards any potential disadvantage or side effects of doing so.
The biggest assumption here is that following the suggestion will have no negative consequences.
Option D introduces a potential negative consequence and thus weakens the argument.

Hope that helps,
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Re: Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 18 Jan 2014, 07:18
It seems like D to me as well. Without knowing the source of activation of messenger molecules the medication can block messages in case of noxious air causing damage to lungs.
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Re: Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 18 Jan 2014, 22:32
THE PLAN CAN ONLY FAIL IF ----THOUGH IT DOES STOP ASTHMATIC ATTACK, BUT INHIBITS THE FUNCTIONING OF THE NOXIOUS AIR COUNTER MECHANISM OF THE HUMAN BODY....
SURE WE HAVE ELIMINATED THE DRAW BACK --- BUT AT THE EXPENSE OF ELIMINATING THE VERY EXISTENCE OF THE - COUNTER NOXIOUS AIR POISONING MECHANISM ITSELF....... ANSWER "D"................
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Re: Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 24 Sep 2016, 08:01
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Certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs’ airways to contract. This partially seals off the lungs. An asthma attack occurs when the messenger molecules are activated unnecessarily, in response to harmless things like pollen or household dust.

Type - Flaw
Boil it down - Plan to develop asthama medication that would prevent asthma attacks by blocking receipt of any messages sent by the messenger molecules
Pre-Thkining - What if the medication will also block receipt of any messages sent during the case of noxious air ?

(D) Such a medication would be unable to distinguish between messages triggered by pollen and household dust and messages triggered by noxious air. Correct answer
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Re: Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 07 Apr 2017, 09:55
Certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs' airways to contract.This partially seals off the lungs.An asthma attack occurs when the messenger molecules are activated unnecessarily, in response to harmless things like pollen or household dust.
Which of the following, if true, points to the most serious flaw of a plan to develop a medication that would prevent asthma attacks by blocking receipt of any messages sent by the messenger molecules referred to above?

A.Researchers do not yet know how the body produces the messenger molecules that trigger asthma attacks.
B.Researchers do not yet know what makes one person's messenger molecules more easily activated than another's.
C.Such a medication would not become available for several years, because of long lead times in both development and manufacture.

D.Such a medication would be unable to distinghuish between messages triggered by pollen and household dust and messages triggered by noxious air.
E.Such a medication would be a preventative only and would be unable to alleviate an asathma attack once it had started.
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Re: Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 02 Jun 2018, 09:31
If message is blocked one of it's positive effects will also be blocked. Hence D is the correct choice.
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Re: Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 20 Jun 2018, 16:08
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Premise: The plan is to develop a medication that would prevent asthma attacks by blocking receipt of any messages sent by the messenger molecules.

Pre-thinking:
This is absurd because you don't want all the messages to the messenger molecules to be blocked. You only want the harmless messages to be blocked. For example, if there is carbon monoxide in the vicinity, then I want the messenger molecules to get activated and protect my lungs so that my life can be saved.

So the flaw in the plan is that it is preventing all messages from reaching the messenger molecules. D says the same thing in different words.
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Re: Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 04 Oct 2018, 01:24
do not understand choice D and E
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Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 04 Oct 2018, 10:48
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oliver007 wrote:
do not understand choice D and E


Hi oliver007

(D) Such a medication would be unable to distinguish between messages triggered by pollen and household dust and messages triggered by noxious air. If the effects of using the medication will lead the messenger to become unable to distinguish between harmless and harmful then it is a serious flaw because the pollen and household dust are harmless while noxious air is harmful. It is basically making things worse.

(E) Such a medication would be a preventative only and would be unable to alleviate an asthma attack once it had started. This would actually show that it is preventive. We need a flaw in the medicine rather than something that would strengthen it. Moreover, we are interested in preventing asthma not what happens after it occurs.


I hope this helps.
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Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 23 Jun 2019, 15:55
cnshahare wrote:
Certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs’ airways to contract. This partially seals off the lungs. An asthma attack occurs when the messenger molecules are activated unnecessarily, in response to harmless things like pollen or household dust.

Which of the following, if true, points to the most serious flaw of a plan to develop a medication that would prevent asthma attacks by blocking receipt of any messages sent by the messenger molecules referred to above?


(A) Researchers do not yet know how the body produces the messenger molecules that trigger asthma attacks.

(B) Researchers do not yet know what makes one person’s messenger molecules more easily activated than another’s.

(C) Such a medication would not become available for several years, because of long lead times in both development and manufacture.

(D) Such a medication would be unable to distinguish between messages triggered by pollen and household dust and messages triggered by noxious air.

(E) Such a medication would be a preventative only and would be unable to alleviate an asthma attack once it had started

Official Guide for GMAT Verbal Review, 2nd Edition

Practice Question
Question No.: 36
Page: 129
Difficulty:


Lungs can tolerate harmless things such as pollen or household dust but must not take in harmful noxious air.

If "such a medication would be unable to distinguish between messages triggered by pollen and household dust and messages triggered by noxious air " then it should be considered a flaw because lungs
can tolerate those harmless things such as pollen or household dust and these harmless things should be let in. The medication should not bar these harmless things.

So Option D is the answer.

VeritasKarishma But even if we don't let those harmless things such as pollen or household dust in , what harm will happen to the lungs ? Please note that these harmless things such as pollen or household dust are not necessary . :D
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Re: Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 23 Jun 2019, 21:17
The right answer here should be D. If the medication is overzealous, then it will cause breathing discomfort even for harmless materials.

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Re: Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 23 Jun 2019, 22:29
cnshahare wrote:
Certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs’ airways to contract. This partially seals off the lungs. An asthma attack occurs when the messenger molecules are activated unnecessarily, in response to harmless things like pollen or household dust.

Which of the following, if true, points to the most serious flaw of a plan to develop a medication that would prevent asthma attacks by blocking receipt of any messages sent by the messenger molecules referred to above?


(A) Researchers do not yet know how the body produces the messenger molecules that trigger asthma attacks.

(B) Researchers do not yet know what makes one person’s messenger molecules more easily activated than another’s.

(C) Such a medication would not become available for several years, because of long lead times in both development and manufacture.

(D) Such a medication would be unable to distinguish between messages triggered by pollen and household dust and messages triggered by noxious air.

(E) Such a medication would be a preventative only and would be unable to alleviate an asthma attack once it had started

Official Guide for GMAT Verbal Review, 2nd Edition

Practice Question
Question No.: 36
Page: 129
Difficulty:


When poisonous air enters the lungs, messenger molecules tell the muscles to seal off the lungs partially. (So breathing would not be natural in this case)
In an asthma attack, the messenger molecules react to harmless things like pollen and tell the muscles to partially seal off the lungs. (One is unable to breathe well during asthma attack)

Plan: Develop a medication to block receipt of messenger molecules. Hence prevent asthma.

Which of the following, if true, points to the biggest weakness in the plan?

(A) Researchers do not yet know how the body produces the messenger molecules that trigger asthma attacks.

Irrelevant. The medicine just needs to block the messenger molecules. How they are produced may be of no significance.

(B) Researchers do not yet know what makes one person’s messenger molecules more easily activated than another’s.

Why asthma attacks occur is not a problem of the plan. The plan intends to prevent the attacks.

(C) Such a medication would not become available for several years, because of long lead times in both development and manufacture.

A long lead time to the success of the plan may not be a big deterrent to the plan itself.

(D) Such a medication would be unable to distinguish between messages triggered by pollen and household dust and messages triggered by noxious air.

Now this is a problem. If the medication cannot distinguish between messages triggered by pollen and messages triggered by poison, it will block all messages. So it will block the poison message too. Hence, when you do want the lungs to be partially sealed off, they would not be. This would damage the lungs.

(E) Such a medication would be a preventative only and would be unable to alleviate an asthma attack once it had started

The plan is to prevent an asthma attack, not alleviate an attack once it has started. This has nothing to do with the plan.

Answer (D)
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Re: Certain messenger molecules fight damage to the lungs from noxious air  [#permalink]

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New post 23 Jun 2019, 22:31
sayan640 wrote:
cnshahare wrote:
Certain messenger molecules fight damage to the lungs from noxious air by telling the muscle cells encircling the lungs’ airways to contract. This partially seals off the lungs. An asthma attack occurs when the messenger molecules are activated unnecessarily, in response to harmless things like pollen or household dust.

Which of the following, if true, points to the most serious flaw of a plan to develop a medication that would prevent asthma attacks by blocking receipt of any messages sent by the messenger molecules referred to above?


(A) Researchers do not yet know how the body produces the messenger molecules that trigger asthma attacks.

(B) Researchers do not yet know what makes one person’s messenger molecules more easily activated than another’s.

(C) Such a medication would not become available for several years, because of long lead times in both development and manufacture.

(D) Such a medication would be unable to distinguish between messages triggered by pollen and household dust and messages triggered by noxious air.

(E) Such a medication would be a preventative only and would be unable to alleviate an asthma attack once it had started

Official Guide for GMAT Verbal Review, 2nd Edition

Practice Question
Question No.: 36
Page: 129
Difficulty:


Lungs can tolerate harmless things such as pollen or household dust but must not take in harmful noxious air.

If "such a medication would be unable to distinguish between messages triggered by pollen and household dust and messages triggered by noxious air " then it should be considered a flaw because lungs
can tolerate those harmless things such as pollen or household dust and these harmless things should be let in. The medication should not bar these harmless things.

So Option D is the answer.

VeritasKarishma But even if we don't let those harmless things such as pollen or household dust in , what harm will happen to the lungs ? Please note that these harmless things such as pollen or household dust are not necessary . :D


The problem is opposite. As per (D), the medicine will hinder all messages so the muscles will not contract even when they need to, even when noxious gases enter the lungs.
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Re: Certain messenger molecules fight damage to the lungs from noxious air   [#permalink] 23 Jun 2019, 22:31
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