急求一道CR机经答案,谢啦

jinqin321

急求一道CR机井答案,谢啦

OG11－112

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.

caterpillarcn

answer should be E

wycg

我作的话,我会选D.

gonghao

支持E

false positive是最少了

且

false negative大家差布多，那么false positive最少的就是最好的了

个人的理解，open to discuss

kallyli

决定精确度有两个因素，A（false positive), B(false ngative),
用公式表示为：A+B=精确度
如果A是决定精确度的变量，B就必须恒定，为衡量，这就是为什么E是正确答案

至于D，inconclusive test results和已经有结果的false positive, false negative无关，因为无论是哪种错误的结果，都是确定的结果，并不是不确定的结果。