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Recent scientific studies have proven that ulcers are caused, at least

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Recent scientific studies have proven that ulcers are caused, at least  [#permalink]

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New post 20 Mar 2019, 08:30
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  25% (medium)

Question Stats:

84% (01:36) correct 16% (01:54) wrong based on 55 sessions

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Recent scientific studies have proven that ulcers are caused, at least in part, by the heliobacter bacterium. Dr. Redding has hypothesized that a natural way to prevent and cure ulcers is to eat large amounts of raw broccoli, which contains potent organic compounds that are beneficial to gastric health.

All of the following statements support Dr. Redding’s hypothesis, EXCEPT:

A. It has been shown that people who consume raw broccoli on a regular basis have a 65 percent lower chance of developing ulcers than do the general population.

B. One of the organic compounds found in broccoli has been shown to have an antibiotic effect on the heliobacter bacterium.

C. Dr. Redding conducted a study in which groups of patients suffering from ulcers either ate large quantities of broccoli or ate a diet that included no vegetables; several of the patients who ate the large quantities of broccoli showed marked improvement in their conditions.

D. Broccoli is one of the most potent dietary sources of antioxidants, the organic compounds shown to combat the free radicals that are thought to cause cancer.

E. Test animals with chemically induced ulcers showed some signs of improvement when raw broccoli was incorporated into their diets.

Source: McGraw-Hill's GMAT (5th)
Difficulty Level: 600

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Re: Recent scientific studies have proven that ulcers are caused, at least  [#permalink]

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New post 20 Mar 2019, 09:01
IMO D;
Broccoli is one of the most potent dietary sources of antioxidants, the organic compounds shown to combat the free radicals that are thought to cause cancer.

only option D weakens the claim of Dr Redding , rest all strength or support Dr argument..


SajjadAhmad wrote:
Recent scientific studies have proven that ulcers are caused, at least in part, by the heliobacter bacterium. Dr. Redding has hypothesized that a natural way to prevent and cure ulcers is to eat large amounts of raw broccoli, which contains potent organic compounds that are beneficial to gastric health.

All of the following statements support Dr. Redding’s hypothesis, EXCEPT:

A. It has been shown that people who consume raw broccoli on a regular basis have a 65 percent lower chance of developing ulcers than do the general population.

B. One of the organic compounds found in broccoli has been shown to have an antibiotic effect on the heliobacter bacterium.

C. Dr. Redding conducted a study in which groups of patients suffering from ulcers either ate large quantities of broccoli or ate a diet that included no vegetables; several of the patients who ate the large quantities of broccoli showed marked improvement in their conditions.

D. Broccoli is one of the most potent dietary sources of antioxidants, the organic compounds shown to combat the free radicals that are thought to cause cancer.

E. Test animals with chemically induced ulcers showed some signs of improvement when raw broccoli was incorporated into their diets.

Source: McGraw-Hill's GMAT (5th)

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Re: Recent scientific studies have proven that ulcers are caused, at least  [#permalink]

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New post 20 Mar 2019, 10:07
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SajjadAhmad wrote:
Recent scientific studies have proven that ulcers are caused, at least in part, by the helicobacter bacterium. Dr. Redding has hypothesized that a natural way to prevent and cure ulcers is to eat large amounts of raw broccoli, which contains potent organic compounds that are beneficial to gastric health.


All of the following statements support Dr. Redding’s hypothesis, EXCEPT:

We are looking for an answer choice that either weakens the claim of Dr. Redding or shows no affect.

A. It has been shown that people who consume raw broccoli on a regular basis have a 65 percent lower chance of developing ulcers than do the general population.

WRONG : Supports the hypothesis. We need not to say that broccoli 100% lowers the chance of developing ulcers.

B. One of the organic compounds found in broccoli has been shown to have an antibiotic effect on the helicobacter bacterium.

WRONG : If broccoli has antibiotic affect on HB, then it certainly helps reducing ulcers by killing or neutralising HB.

C. Dr. Redding conducted a study in which groups of patients suffering from ulcers either ate large quantities of broccoli or ate a diet that included no vegetables; several of the patients who ate the large quantities of broccoli showed marked improvement in their conditions.

WRONG : Here also broccoli helps reducing ulcers. Positive affect is a WRONG choice for us.


D. Broccoli is one of the most potent dietary sources of antioxidants, the organic compounds shown to combat the free radicals that are thought to cause cancer.

CORRECT : We are interested in ulcer treatment and not in cancer treatment. This is IRRELEVANT to our cause.

E. Test animals with chemically induced ulcers showed some signs of improvement when raw broccoli was incorporated into their diets.

WRONG : Some signs of improvement is good enough for use to declare this as a wrong answer choice.

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Re: Recent scientific studies have proven that ulcers are caused, at least   [#permalink] 20 Mar 2019, 10:07
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