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Since the routine use of antibiotics can give rise to

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Since the routine use of antibiotics can give rise to [#permalink] New post 22 Sep 2009, 10:49
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. Since the routine use of antibiotics can give rise to resistant bacteria capable of surviving antibiotic environments, the presence of resistant bacteria in people could be due to the human use of prescription antibiotics. Some scientists, however, believe that most resistant bacteria in people derive from human consumption of bacterially infected meat.
Which of the following statements, if true, would most significantly strengthen the hypothesis of the scientists?
(A) Antibiotics are routinely included in livestock feed so that livestock producers can increase the rate of growth of their animals.
(B) Most people who develop food poisoning from bacterially infected meat are treated with prescription antibiotics.
(C) The incidence of resistant bacteria in people has tended to be much higher in urban areas than in rural areas where meat is of comparable quality.
(D) People who have never taken prescription antibiotics are those least likely to develop resistant bacteria.
(E) Livestock producers claim that resistant bacteria in animals cannot be transmitted to people through infected meat.
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Re: livestock [#permalink] New post 22 Sep 2009, 12:44
noboru wrote:
. Since the routine use of antibiotics can give rise to resistant bacteria capable of surviving antibiotic environments, the presence of resistant bacteria in people could be due to the human use of prescription antibiotics. Some scientists, however, believe that most resistant bacteria in people derive from human consumption of bacterially infected meat.
Which of the following statements, if true, would most significantly strengthen the hypothesis of the scientists?
(A) Antibiotics are routinely included in livestock feed so that livestock producers can increase the rate of growth of their animals.
(B) Most people who develop food poisoning from bacterially infected meat are treated with prescription antibiotics.
(C) The incidence of resistant bacteria in people has tended to be much higher in urban areas than in rural areas where meat is of comparable quality.
(D) People who have never taken prescription antibiotics are those least likely to develop resistant bacteria.
(E) Livestock producers claim that resistant bacteria in animals cannot be transmitted to people through infected meat.


A. SUFF. The first sentence talks about bacteria becoming resistant and if A is true, whatever bacteria left from the constant antibacterial injection should be very resistant.
B. This just talks about the "fix"
C. out of scope - quality doesn't equal bacterial infected
D. out of scope
E. weakens the hypothesis
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Re: livestock [#permalink] New post 22 Sep 2009, 18:43
Looks A to me .

Conclusion:Some scientists, however, believe that most resistant bacteria in people derive from human consumption of bacterially infected meat.

A) Antibiotics are routinely included in livestock feed so that livestock producers can increase the rate of growth of their animals. - satisfies this conclusion as well as premise
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Re: livestock [#permalink] New post 22 Sep 2009, 22:44
I m not happy with A
I`d like to Choose C
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Re: livestock [#permalink] New post 23 Sep 2009, 06:25
It looks like A.
Constant exposure to antibiotics causes Resistance in bacteria. If antibiotics are injected into all meat for consumption, then, if any meat is infected with bacteria, those bacteria will develop resistance to the antibiotics. On consumption of such infected meat, those resistant bacteria will be transmitted to humans. That makes sense.

According to B, antibiotic use by humans is still responsible for antibiotic resistance in humans. This weakens the scientists' hypothesis.
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Re: livestock [#permalink] New post 23 Sep 2009, 11:09
rkassal wrote:
It looks like A.
Constant exposure to antibiotics causes Resistance in bacteria. If antibiotics are injected into all meat for consumption, then, if any meat is infected with bacteria, those bacteria will develop resistance to the antibiotics. On consumption of such infected meat, those resistant bacteria will be transmitted to humans. That makes sense.

According to B, antibiotic use by humans is still responsible for antibiotic resistance in humans. This weakens the scientists' hypothesis.


A for me. Good explanation.
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Re: livestock [#permalink] New post 25 Sep 2009, 11:31
I'll go with A.
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Re: livestock [#permalink] New post 03 May 2010, 13:24
rkassal wrote:
It looks like A.
Constant exposure to antibiotics causes Resistance in bacteria. If antibiotics are injected into all meat for consumption, then, if any meat is infected with bacteria, those bacteria will develop resistance to the antibiotics. On consumption of such infected meat, those resistant bacteria will be transmitted to humans. That makes sense.

According to B, antibiotic use by humans is still responsible for antibiotic resistance in humans. This weakens the scientists' hypothesis.


But in the end, are the antibiotics, not the meat the cause of bacteria resistance...
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Re: livestock [#permalink] New post 04 May 2010, 09:32
i would go with (A) too.

What is the OA?
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Re: livestock [#permalink] New post 02 Jul 2010, 21:21
I think it is B.
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Re: Since the routine use of antibiotics can give rise to [#permalink] New post 24 Jun 2012, 11:09
I feel like there should be an additional information in A: how do we know if the bacteria in meat actually transmits to humans? Are we assuming it as a common knowledge? Thank you
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Re: Since the routine use of antibiotics can give rise to [#permalink] New post 24 Jun 2012, 22:19
Scientists hypothesis: most resistant bacteria in people derive from human consumption of bacterially infected meat.

We need to STRENGTHEN!

(A) Antibiotics are routinely included in livestock feed so that livestock producers can increase the rate of growth of their animals
Antibiotics lead to resistant bacteria in meat so when these are consumed by humans they get it

C - out of scope, urban and rural meats are not compared.
E - Weakens the argument
B - talks about treatment but doesnt support the hypothesis
D - This is the opposite. It argues that antibiotics are the cause and not the meat.
Re: Since the routine use of antibiotics can give rise to   [#permalink] 24 Jun 2012, 22:19
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