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V61-02

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V61-02  [#permalink]

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New post 04 Sep 2018, 23:56
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A discovery made by two Australian researchers, Barry Marshall and John Warren, revolutionized the scientific community's understanding of peptic ulcer disease and transformed the illness from a chronic, frequently disabling condition to one that can be cured by a short regimen of antibiotics.
In 1981, the two researchers first began to work together. Their discovery came about after Warren had observed bacteria in the lower part of the stomach of patients, which contradicted the long-held belief that bacteria could not survive in the acidic stomach environment. Warren also noticed that signs of inflammation were always present close to the bacteria. While conducting further studies on more patients, Warren and Marshall found H. pylori bacteria present in almost all patients with stomach inflammation or ulcers in the stomach. The two hypothesized that there was a causal link between H. pylori and ulcers, and that ulcers were not caused by stress, as previously thought. In order to support their controversial claims, they experimented on animals, and when this turned out to be unsuccessful, Marshall took it upon himself to be his own guinea pig. After verifying that he did not already have H. pylori in his stomach, Marshall drank a concoction made from cultured bacteria. Within a few days, he came down with gastritis, and H. pylori were found in his inflamed stomach; he was then cured with the help of antibiotics.
The researchers' findings were so contentious that it took ten years for their work to be accepted. Many researchers tried to disprove their findings, but failed to do so. Despite this, numerous scientists and doctors remained doubtful and refused to believe that any bacteria could live in the acidic environment of the stomach. According to Marshall, the pharmaceutical industry also had a role in preventing their bacteria theory from gaining traction. At the time, the most common treatment for ulcers was antacids, which required constant use, since the symptoms would return immediately after patients stopped taking them. Hence, the notion that ulcers could be permanently cured by taking antibiotics was highly unappealing to the pharmaceutical companies. By 1994, however, the evidence was overwhelming, prompting a change in the treatment of ulcers and establishing antibiotics as the standard approach. Finally, in 2005 Warren and Marshall received the praise they so clearly deserved, winning the Nobel Prize in Physiology or Medicine for their innovative work.

The content of the passage would be LEAST relevant to a long discussion of which of the following topics?

A. Scientific discoveries of the 21st century.
B. Commercial industries and their impact on medicine.
C. Contributions of Western researchers to the field of gastroenterology (the study of the digestive system and its disorders).
D. evolutionary scientific discoveries and how they were received by the scientific community.
E. The long, hard road to a Nobel Prize.

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Founder
Founder
User avatar
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Joined: 04 Dec 2002
Posts: 17361
Location: United States (WA)
GMAT 1: 750 Q49 V42
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Re V61-02  [#permalink]

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New post 04 Sep 2018, 23:56
Official Solution:

A discovery made by two Australian researchers, Barry Marshall and John Warren, revolutionized the scientific community's understanding of peptic ulcer disease and transformed the illness from a chronic, frequently disabling condition to one that can be cured by a short regimen of antibiotics.
In 1981, the two researchers first began to work together. Their discovery came about after Warren had observed bacteria in the lower part of the stomach of patients, which contradicted the long-held belief that bacteria could not survive in the acidic stomach environment. Warren also noticed that signs of inflammation were always present close to the bacteria. While conducting further studies on more patients, Warren and Marshall found H. pylori bacteria present in almost all patients with stomach inflammation or ulcers in the stomach. The two hypothesized that there was a causal link between H. pylori and ulcers, and that ulcers were not caused by stress, as previously thought. In order to support their controversial claims, they experimented on animals, and when this turned out to be unsuccessful, Marshall took it upon himself to be his own guinea pig. After verifying that he did not already have H. pylori in his stomach, Marshall drank a concoction made from cultured bacteria. Within a few days, he came down with gastritis, and H. pylori were found in his inflamed stomach; he was then cured with the help of antibiotics.
The researchers' findings were so contentious that it took ten years for their work to be accepted. Many researchers tried to disprove their findings, but failed to do so. Despite this, numerous scientists and doctors remained doubtful and refused to believe that any bacteria could live in the acidic environment of the stomach. According to Marshall, the pharmaceutical industry also had a role in preventing their bacteria theory from gaining traction. At the time, the most common treatment for ulcers was antacids, which required constant use, since the symptoms would return immediately after patients stopped taking them. Hence, the notion that ulcers could be permanently cured by taking antibiotics was highly unappealing to the pharmaceutical companies. By 1994, however, the evidence was overwhelming, prompting a change in the treatment of ulcers and establishing antibiotics as the standard approach. Finally, in 2005 Warren and Marshall received the praise they so clearly deserved, winning the Nobel Prize in Physiology or Medicine for their innovative work.


The content of the passage would be LEAST relevant to a long discussion of which of the following topics?

A. Scientific discoveries of the 21st century.
B. Commercial industries and their impact on medicine.
C. Contributions of Western researchers to the field of gastroenterology (the study of the digestive system and its disorders).
D. evolutionary scientific discoveries and how they were received by the scientific community.
E. The long, hard road to a Nobel Prize.

We’ll look for an answer that describes a subject that the passage doesn’t relate to.
(A) The discovery discussed in the passage was in the 20th century, not the 21st. Looks right!
(B) The (negative) effect of the pharmaceutical industry on the acceptance of a new medicinal treatment is indeed discussed.
(C) Marshall and Warren are indeed one example of Western researchers who contributed to this field.
(D) The passage is a great example of this topic, as the last paragraph is about the reception of the discovery.
(E) The entire passage does describe the challenges faced by the researchers, which culminated in their winning the Nobel Prize.


This question was provided by ExamPal

Answer: A
_________________

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Just starting out with GMAT? Start here...
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Verbal OG2019 Directory is here! - New!

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Re V61-02 &nbs [#permalink] 04 Sep 2018, 23:56
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