Physician: The hormone melatonin has shown promise as a

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Physician: The hormone melatonin has shown promise as a [#permalink]

07 Aug 2012, 13:19

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Physician: The hormone melatonin has shown promise as a medication for sleep disorders when taken in synthesized form. Because the long-term side effects of synthetic melatonin are unknown, however, I cannot recommend its use at this time.

Patient: Your position is inconsistent with your usual practice. You prescribe many medications that you know have serious side effects, so concern about side effects cannot be the real reason you will not prescribe melatonin.

The patient's argument is flawed because it fails to consider that

(A) the side effects of synthetic melatonin might be different from those of naturally produced melatonin

(B) it is possible that the physician does not believe that melatonin has been conclusively shown to be effective

(C) sleep disorders, if left untreated, might lead to serious medical complications

(D) the side effects of a medication can take some time to manifest themselves

(E) known risks can be weighed against known benefits, but unknown risks cannot

[Reveal] Spoiler: OA

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Re: Physician: The hormone melatonin has shown promise [#permalink]

07 Aug 2012, 13:45

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(A) the side effects of synthetic melatonin might be different from those of naturally produced melatonin
naturally produced melatonin is out of scope so it's comparison with the synthetic one.

(B) it is possible that the physician does not believe that melatonin has been conclusively shown to be effective
"The hormone melatonin has shown promise as a medication for sleep disorders ....." it's mentioned very well that melatonin is effective !

(C) sleep disorders, if left untreated, might lead to serious medical complications
may or may not be true but this has nothing to do with the argument.

(D) the side effects of a medication can take some time to manifest themselves
the time of action is not into consideration.

(E) known risks can be weighed against known benefits, but unknown risks cannot
" ....Because the long-term side effects of synthetic melatonin are unknown....." the physician has been providing many medicines to patients because the physician knew the side effect and its magnitude but since this (melatonin) has no known side effects so the physician is not prescribing it considering that it might harm the patient.
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Re: Physician: The hormone melatonin has shown promise [#permalink]

07 Aug 2012, 14:18

E.

Doc- unknown side effects
Patient- known side effects.

GAP here- patient mistakingly correlates/equates known side effects to unknown side effects

answer choice that attacks this is the answer.

E does that.
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Re: Physician: The hormone melatonin has shown promise [#permalink]

10 Aug 2012, 08:14

E patient himself tells that the doctor knows the side effects of the medicines he prescribes
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Re: Physician: The hormone melatonin has shown promise [#permalink]

12 Aug 2012, 23:18

Clear winner E , as Doctor does not prescribes the ones which have unknown side effects but patient is arguing about that doctor does prescribe medication with side effects. the gap is there
Medication with unknown side effect which Dr will not prescribe vs Medication which has known side effects.
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Re: Physician: The hormone melatonin has shown promise [#permalink] 12 Aug 2012, 23:18

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Physician: The hormone melatonin has shown promise as a

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