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15 Jan 2019, 00:30
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B
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Difficulty:
35%
(medium)
Question Stats:
71% (01:43) correct
29%
(01:56)
wrong
based on 561
sessions
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An ingredient in marijuana known as THC has been found to inactivate herpesviruses in experiments. In previous experiments researchers found that inactivated herpesviruses can convert healthy cells into cancer cells. It can be concluded that the use of marijuana can cause cancer.
Which one of the following, if true, most seriously weakens the argument?
(A) Several teams of scientists performed the various experiments and all of the teams had similar results.
(B) The carcinogenic effect of THC could be neutralized by the other ingredients found in marijuana.
(C) When THC kills herpesviruses it weakens the immune system, and it might thus diminish the body's ability to fight other viruses, including viruses linked to cancers.
(D) If chemists modify the structure of THC, THC can be safely incorporated into medications to prevent herpes.
(E) To lessen the undesirable side effects of chemotherapy, the use of marijuana has been recommended for cancer patients who are free of the herpesvirus.
Which one of the following, if true, most seriously weakens the argument?
(A) Several teams of scientists performed the various experiments and all of the teams had similar results.
(B) The carcinogenic effect of THC could be neutralized by the other ingredients found in marijuana.
(C) When THC kills herpesviruses it weakens the immune system, and it might thus diminish the body's ability to fight other viruses, including viruses linked to cancers.
(D) If chemists modify the structure of THC, THC can be safely incorporated into medications to prevent herpes.
(E) To lessen the undesirable side effects of chemotherapy, the use of marijuana has been recommended for cancer patients who are free of the herpesvirus.
Archit3110
Major Poster
Updated on: 16 Jan 2019, 01:47
Originally posted by Archit3110 on 15 Jan 2019, 06:50.
Last edited by Archit3110 on 16 Jan 2019, 01:47, edited 3 times in total.
Last edited by Archit3110 on 16 Jan 2019, 01:47, edited 3 times in total.
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Bunuel
Out of given options b stands out as it gives an counter argument and provides a fact which weakens the conclusion : It can be concluded that the use of marijuana can cause cancer.
cause and effect type weakener .
IMO B
NRJ11090
Joined: 19 Mar 2018
Last visit: 22 May 2024
Posts: 55
Given Kudos: 53
Location: India
Concentration: Operations, Strategy
Schools: IIM Udaipur '21 IIMC PGPEX"20 ISB '20 IIMA PGPX"20
GMAT 1: 600 Q42 V31
GPA: 4
WE:Operations (Energy)
15 Jan 2019, 10:37
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Archit3110
Archit3110
How is B not the correct weakener ? Here it is explicitly mentioned that the carcinogenic effect of THC is countered by other ingredients of marijuana and this implies that marijuana as a whole won't cause cancer because of "other ingredients". I might be wrong, can you please explain ?
