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# When a person with temporal lobe epilepsy is having an epileptic seizu

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Intern
Joined: 17 May 2017
Posts: 20
GMAT 1: 690 Q50 V33
When a person with temporal lobe epilepsy is having an epileptic seizu  [#permalink]

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18 May 2017, 07:09
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Difficulty:

25% (medium)

Question Stats:

78% (01:39) correct 22% (02:14) wrong based on 109 sessions

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When a person with temporal lobe epilepsy is having an epileptic seizure, part of the brain’s temporal lobe produces abnormal electrical impulses, which can often, but not always, be detected through a test called an electroencephalogram (EEG). Therefore, although a positive EEG reading—that is, evidence of abnormal electrical impulses—during an apparent seizure is a reasonably reliable indicator of temporal lobe epilepsy, ______

Of the following, which one logically completes the conclusion above?

(A) a positive reading is just as reliable an indicator of the absence of temporal lobe epilepsy
(B) a positive reading can also indicate the presence of other forms of epilepsy
(C) a positive reading is more frequently an erroneous reading than is a negative one
(D) a negative reading does not mean that temporal lobe epilepsy can be ruled out
(E) a negative reading is just as reliable an indicator of the presence of temporal lobe epilepsy

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Re: When a person with temporal lobe epilepsy is having an epileptic seizu  [#permalink]

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18 May 2017, 07:31
When a person with temporal lobe epilepsy is having an epileptic seizure, part of the brain’s temporal lobe produces abnormal electrical impulses, which can often, but not always, be detected through a test called an electroencephalogram (EEG). Therefore, although a positive EEG reading—that is, evidence of abnormal electrical impulses—during an apparent seizure is a reasonably reliable indicator of temporal lobe epilepsy, ______
Of the following, which one logically completes the conclusion above?
(A) a positive reading is just as reliable an indicator of the absence of temporal lobe epilepsy
(B) a positive reading can also indicate the presence of other forms of epilepsy
(C) a positive reading is more frequently an erroneous reading than is a negative one
(D) a negative reading does not mean that temporal lobe epilepsy can be ruled out
(E) a negative reading is just as reliable an indicator of the presence of temporal lobe epilepsy

(A) a positive reading is just as reliable an indicator of the absence of temporal lobe epilepsy.....Countering the last 10 words of argument, hence nope
(B) a positive reading can also indicate the presence of other forms of epilepsy........could be
(C) a positive reading is more frequently an erroneous reading than is a negative one....positive reading cannot be reasonably reliable and frequently erroneous together
(D) a negative reading does not mean that temporal lobe epilepsy can be ruled out....strong option and best fit as it matches with the "Although" at the beginning of the sentence
(E) a negative reading is just as reliable an indicator of the presence of temporal lobe epilepsy..could be

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Posts: 79
Re: When a person with temporal lobe epilepsy is having an epileptic seizu  [#permalink]

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Updated on: 24 Jul 2017, 20:46
When a person with temporal lobe epilepsy is having an epileptic seizure, part of the brain’s temporal lobe produces abnormal electrical impulses, which can often, but not always, be detected through a test called an electroencephalogram (EEG). Therefore, although a positive EEG reading—that is, evidence of abnormal electrical impulses—during an apparent seizure is a reasonably reliable indicator of temporal lobe epilepsy, ______
Of the following, which one logically completes the conclusion above?

(A) a positive reading is just as reliable an indicator of the absence of temporal lobe epilepsy
(B) a positive reading can also indicate the presence of other forms of epilepsy
(C) a positive reading is more frequently an erroneous reading than is a negative one
(D) a negative reading does not mean that temporal lobe epilepsy can be ruled out
(E) a negative reading is just as reliable an indicator of the presence of temporal lobe epilepsy

PS: Q from LSAT
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Originally posted by Sash143 on 24 Jul 2017, 12:22.
Last edited by broall on 24 Jul 2017, 20:46, edited 1 time in total.
Merged post. Please search before posting
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Joined: 22 May 2017
Posts: 120
Re: When a person with temporal lobe epilepsy is having an epileptic seizu  [#permalink]

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24 Jul 2017, 19:16
It clearly states 'often EEG indicates but not always'

Also when we say 'is reasonably reliable indicator '
It implies positive reading means there is higher chances of epilepsy
i.e patients with negative reading have lower chances of epilepsy but we cannot completely rule out

D is the best choice

By method of negation
A and E is opposite to what author means to say
B and C are out of scope
So D

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Re: When a person with temporal lobe epilepsy is having an epileptic seizu   [#permalink] 24 Jul 2017, 19:16
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