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# Ordinary mountain sickness, a common condition among

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SVP
Joined: 24 Sep 2005
Posts: 1832
Ordinary mountain sickness, a common condition among  [#permalink]

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25 Mar 2006, 02:46
1
14
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(N/A)

Question Stats:

48% (02:12) correct 52% (01:59) wrong based on 306 sessions

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Ordinary mountain sickness, a common condition among mountain clumbers, and one from which most people can recover, is caused by the characteristic shortage of oxygen in the atmosphere at high altitudes. Cerebral edema, a rarer disruption of blood circulation in the brain that quickly becomes life-threatening if not correctly trated from its onset, can also be caused by a shortage of oxygen. Since the symptoms of cerebral edema resemle those of ordinary mountain sickness, cerebral edema is especially dangerous at high altitudes.

Which one of the following is an assumption on which the argument depends?
A. The treatment for ordinary mountain sickness differs from the treatment for cerebral edema.
B. Cerebral edema can cause those who suffer from it to slip into coma within a few hours.
C. Unlike cerebral edema, ordinary mountain sickness involves no disruption of blood circulation in the brain.
D. Shortage of oxygen at extremely high altitude is likely to affect thinking processes and cause errors of judgement.
E. Most people who suffer from ordinary mountain sickness recover without any special treatment.
GMAT Club Legend
Joined: 29 Jan 2005
Posts: 5092

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25 Mar 2006, 07:19
(E) is the best assumption. Otherwise both sicknesses have similiar effects after onset.

BTW: Travelers often suffer from altitude sickness when traveling through my home state of Colorado. I can only imagine large numbers succomb to the same sickness in HIMA`s home town as well...
Director
Joined: 13 Nov 2003
Posts: 778
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25 Mar 2006, 07:29
A) is correct IMO.
Since the simptoms are similar, one may decide that the patient has mountain sickness not edema. If they have similar treatment then there is no problem. But the argument states that "[url]Since the symptoms of cerebral edema resemle those of ordinary mountain sickness, cerebral edema is especially dangerous at high altitudes. [/url]
so A) seems correct
Senior Manager
Joined: 22 Nov 2005
Posts: 465

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25 Mar 2006, 09:43
I think its b/w A and E.

I prefer E over A because E says that

E) Most people who suffer from ordinary mountain sickness recover without any special treatment ---

it is fair to assume at high altitude there may not be special treatment available, so cerebral edema especially dangerous at high altitudes.

I think A is wrong because it talks about differnt ways of treatment, which doesn't matters.
Director
Joined: 27 Feb 2006
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25 Mar 2006, 13:26
I was between A and E and now go for ^ E ^
Manager
Joined: 06 Aug 2005
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25 Mar 2006, 19:41
D
Conclusion is 'Since the symptoms of cerebral edema resemle those of ordinary mountain sickness, cerebral edema is especially dangerous at high altitudes.'
Evidence is 'Ordinary mountain sickness, a common condition among mountain clumbers, and one from which most people can recover, is caused by the characteristic shortage of oxygen in the atmosphere at high altitudes'
D proves why cerebral edema is especially dangerous at high altitudes.
VP
Joined: 29 Dec 2005
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25 Mar 2006, 21:25
1
BG wrote:
A) is correct IMO.

Since the simptoms are similar, one may decide that the patient has mountain sickness not edema. If they have similar treatment then there is no problem. But the argument states that "[url]Since the symptoms of cerebral edema resemle those of ordinary mountain sickness, cerebral edema is especially dangerous at high altitudes.

so A) seems correct

i go with you.. A.
SVP
Joined: 24 Sep 2005
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27 Mar 2006, 05:24
BG wrote:
A) is correct IMO.
Since the simptoms are similar, one may decide that the patient has mountain sickness not edema. If they have similar treatment then there is no problem. But the argument states that "[url]Since the symptoms of cerebral edema resemle those of ordinary mountain sickness, cerebral edema is especially dangerous at high altitudes.[/url]
so A) seems correct

Good explanation; OA is A

Friend, you're a familiar face in GMATclub and you've performed really very well!!! Have you taken the test so far?!!
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16 Sep 2011, 05:04
I fell for E... but good explanation for A.
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16 Sep 2011, 14:53
That was tough!!! I understand why A is correct...Thanks for the explanations.
Intern
Joined: 17 Sep 2011
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GMAT Date: 10-24-2011

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27 Sep 2011, 08:59
gmat_crack wrote:
I think its b/w A and E.

I prefer E over A because E says that

E) Most people who suffer from ordinary mountain sickness recover without any special treatment ---

it is fair to assume at high altitude there may not be special treatment available, so cerebral edema especially dangerous at high altitudes.

I think A is wrong because it talks about differnt ways of treatment, which doesn't matters.

A or E is the problem.
Because E is simple reiteration of the stimulus "Ordinary mountain sickness, a common condition among mountain clumbers, and one from which most people can recover," E could not be the ASSUMPTION.

ASSUMPTION is something behind the conclusion.

If the symptoms are similar and the treatments are same, cerebral edema is not something especially dangerous at high altitudes.

D could be one of the possible REASONS that make cerebral edema especially dangerous at high altitudes, but even if people are sober when they meet cerebral edema, they can still fail to tell it from ordinary mountain sickness because "the symptoms are similar." And shortage of oxygen is "likely" to, but not necessarily, affect thinking processes. In ASSUMPTION type problems, the choice should rule out any possibility of doubt because the auther could not depend on "likely" or "50-50 change" to make an arguement, at least in GMAT, which we call an exaggeration.
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Re: Ordinary mountain sickness, a common condition among  [#permalink]

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31 May 2015, 08:03
A
Conclusion - cerebral edema is especially dangerous at high altitudes
Premise - Symptoms of both diseases are same so one can misinterpret one for another
Assumption - They require different treatments
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Re: Ordinary mountain sickness, a common condition among  [#permalink]

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22 Jun 2016, 18:07
laxieqv wrote:
Ordinary mountain sickness, a common condition among mountain clumbers, and one from which most people can recover, is caused by the characteristic shortage of oxygen in the atmosphere at high altitudes. Cerebral edema, a rarer disruption of blood circulation in the brain that quickly becomes life-threatening if not correctly trated from its onset, can also be caused by a shortage of oxygen. Since the symptoms of cerebral edema resemle those of ordinary mountain sickness, cerebral edema is especially dangerous at high altitudes.

Which one of the following is an assumption on which the argument depends?
A. The treatment for ordinary mountain sickness differs from the treatment for cerebral edema.
B. Cerebral edema can cause those who suffer from it to slip into coma within a few hours.
C. Unlike cerebral edema, ordinary mountain sickness involves no disruption of blood circulation in the brain.
D. Shortage of oxygen at extremely high altitude is likely to affect thinking processes and cause errors of judgement.
E. Most people who suffer from ordinary mountain sickness recover without any special treatment.

+1 for A.
The treatment for ordinary mountain sickness differs from the treatment for cerebral edema--this clearly states that why cerebral edema is especially dangerous at high altitudes,while a person can recover from ordinary mountain sickness.
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Re: Ordinary mountain sickness, a common condition among  [#permalink]

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01 Aug 2018, 05:27
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