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标题: 急求一道CR机井答案,谢啦 [打印本页]

作者: jinqin321    时间: 2006-8-24 10:47
标题: 急求一道CR机井答案,谢啦
OG11112

In tests for pironoma, a serious disease, a false positive result indicates that people have pironoma when, in fact, they do not; a false negative result indicates that people do not have pironoma when,

in fact, they do. To detect pironoma most accurately, physicians should use the laboratory test that has the lowest proportion of false positive results.

Which of the following, if true, gives the most support to the recommendation above?

(A)          The accepted treatment for pironoma does not have damaging side effects.

(B)          The laboratory test that has the lowest proportion of false positive results causes the same minor side effects as do the other laboratory tests used to detect pironoma.

(C)         In treating pironoma patients, it is essential to begin treatment as early as possible, since even a week of delay can result in

(D)          The proportion of inconclusive test results is equal for all laboratory tests used to detect pironoma.

(E)          All laboratory tests to detect pironoma have the same proportion of false negative results.


作者: sasa12318    时间: 2006-8-24 11:04
E is the right answer.
作者: 赖皮美娇妻    时间: 2006-8-24 16:48
是E
作者: eejensen    时间: 2006-8-24 22:04
i think it is A.

作者: Laoben    时间: 2006-8-24 22:27

A is wrong. If the side effect is not very high, false positive will not cause big problem.

E is right, since all the method have same false negative rate, reduce the false postive rate became the only goal of the test.






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