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Ordinary mountain sickness, a common condition among mountain climbers

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Ordinary mountain sickness, a common condition among mountain climbers [#permalink]

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New post 03 Mar 2017, 05:30
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  85% (hard)

Question Stats:

47% (02:28) correct 53% (02:02) wrong based on 211 sessions

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Ordinary mountain sickness, a common condition among mountain climbers, 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 treated from its onset, can also be caused by a shortage of oxygen. Since the symptoms of cerebral edema resemble 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.
[Reveal] Spoiler: OA

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Re: Ordinary mountain sickness, a common condition among mountain climbers [#permalink]

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New post 03 Mar 2017, 07:02
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Argument: Mountain Sickness and Cerebral Edema have the same cause, with the latter being serious.
Assumption: Mountain Sickness and Cerebral Edema cannot be distinguished

A. The treatment for ordinary mountain sickness differs from the treatment for cerebral edema. - Correct. Negate A: Treatment for mountain sickness does not differ from treatment for cerebral edema. This means that cerebral edema gets cured even when treated for mountain sickness - Argument falls apart.

B. Cerebral edema can cause those who suffer from it to slip into coma within a few hours. - Incorrect. Irrelevant.

C. Unlike cerebral edema, ordinary mountain sickness involves no disruption of blood circulation in the brain. - Incorrect. Irrelevant.

D. Shortage of oxygen at extremely high altitude is likely to affect thinking processes and cause errors of judgement. - Incorrect. Irrelevant.

E. Most people who suffer from ordinary mountain sickness recover without any special treatment. - Incorrect. Negate E: Most people who suffer from ordinary mountain sickness recover without any special treatment - This does nothing to the argument.

Answer: A

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Re: Ordinary mountain sickness, a common condition among mountain climbers [#permalink]

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New post 03 Mar 2017, 21:08
the answer should be A,although have a doubt on C too can someone explain a better reasoning to eliminate C?

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Re: Ordinary mountain sickness, a common condition among mountain climbers [#permalink]

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New post 04 Mar 2017, 23:38
The answer to this question lies in the last line of the question which states that "Since the symptoms of cerebral edema resemble those of ordinary mountain sickness, cerebral edema is especially dangerous at high altitudes. "

Now since the symptoms of cerebral edema and mountain sickness are similar so how does the author conclude that cerebral edema is dangerous whereas "most people can recover" from mountain sickness. This is because the cure for both are not the same, so if someone develops symptoms of cerebral edema which is similar to mountain sickness so he will treat himself for mountain sickness and not cerebral edema. This makes it dangerous.


Option C states "Unlike cerebral edema, ordinary mountain sickness involves no disruption of blood circulation in the brain".
Whether mountain sickness involves disruption of blood or not is irrelevant as long as it's symptoms are same as cerebral edema.

Hope this clarifies your doubt nks2611

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Re: Ordinary mountain sickness, a common condition among mountain climbers [#permalink]

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New post 05 Mar 2017, 00:24
That makes sense
Thanks coolnuts

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Re: Ordinary mountain sickness, a common condition among mountain climbers [#permalink]

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New post 09 Aug 2017, 09:26
Confused between A and E - A makes perfect sense, but E does too: if most people do not need special treatment to recover from mountain sickness, chances are most people who think they've got mountain sickness won't attempt any treatment - in that case it wouldn't matter if the treatments for two deceases are the same or different (even if the treatments are the same, cerebral edema will be especially dangerous at high altitudes, just because most people will dismiss it as a mountain sickness which doesn't not require special treatment). What's the source of this question?

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Re: Ordinary mountain sickness, a common condition among mountain climbers   [#permalink] 09 Aug 2017, 09:26
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