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Blood banks will shortly start to screen all donors for NANB hepatitis

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GeminiHeat
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Blood banks will shortly start to screen all donors for NANB hepatitis [#permalink] New post   17 Nov 2021, 03:36
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Blood banks will shortly start to screen all donors for NANB hepatitis. Although the new screening tests are estimated to disqualify up to 5 percent of all prospective blood donors, they will still miss two-thirds of donors carrying NANB hepatitis. Therefore, about 10 percent of actual donors will still supply NANB-contaminated blood.


Which of the following inferences about the consequences of instituting the new tests is best supported by the passage above?

A) The incidence of new cases of NANB hepatitis is likely to go up by 10 percent.

B) Donations made by patients specifically for their own use are likely to become less frequent.

C) The demand for blood from blood banks is likely to fluctuate more strongly.

D) The blood supplies available from blood banks are likely to go down.

E) The number of prospective first-time donors is likely to go up by 5 percent.

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Mekhala
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Re: Blood banks will shortly start to screen all donors for NANB hepatitis [#permalink] New post   19 Nov 2021, 23:32
please post the explanation

is it that total 43percent will be affected so in short the supply will be contaminated and will drop?GeminiHeat
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GeminiHeat
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Re: Blood banks will shortly start to screen all donors for NANB hepatitis [#permalink] New post   20 Nov 2021, 00:54
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A) The incidence of new cases of NANB hepatitis is likely to go up by 10 percent.
Relationship between donors with NANB and cases isn't given; Maybe 10 % is utilized by 2%?; Eliminate

B) Donations made by patients specifically for their own use are likely to become less frequent.
Irrelevant; Eliminate

C) The demand for blood from blood banks is likely to fluctuate more strongly.
Fluctuate means go up, down, or both. While the demand can go up due to the shortage caused by the disqualification of 5% of donors, other options can't be consequences of the new test. Eliminate.

D) The blood supplies available from blood banks are likely to go down.
Solid option, if the donors go down, then the supplies will go down. Hold.

E) The number of prospective first-time donors is likely to go up by 5 percent.
Goes too far; Eliminate.

Ans: D

Mekhala wrote:
please post the explanation

is it that total 43percent will be affected so in short the supply will be contaminated and will drop?GeminiHeat
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Re: Blood banks will shortly start to screen all donors for NANB hepatitis [#permalink]
20 Nov 2021, 00:54
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