返回列表 发帖

OG112

in test for pironoma,a serious disease, a false positive result indicates that people have pironoma when, in fact they do not; a false negative results that people do not have pironoma when, in fact, they do. To detect pironoma more accurately, physicians should use laborotary test that has the lowest proportion of false positive results.

which of the following 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 have the lowest proportion of false positive result 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 loss of life.

D. the proportion of inconclusive results is equal for all laboratory tests used to detect pironoma.

E. all laboratory tests used to detect have the same proportion of false negative results.

answer: E.

想不出题目的事实是什么意思,另外E如何支持结论的? 请教思路

收藏 分享

在检测P时,错误的阳性结果显示人们有P,但事实上他们没有;而错误的阴性结果显示人们没有P,但实际上他们有。为了检测P更加准确,外科医生应该用实验室检测法,因为它有最低的错误的阳性比例。

A对于P的治疗没有有害的副作用。(无关)

B实验室测试同其他实验室测试法引起同样的副作用(削弱)

C在治疗P的患者时,应尽可能早的开始治疗。(无关)

D所有检测P的实验室测试有相同比例的无结果结论。(无关)

E 所有的实验室测试有相同的错误的阴性结果比例。(如果错误的阴性比例高,即漏网之鱼多,那么这种检测就不准确)

TOP

返回列表

站长推荐 关闭


美国top10 MBA VIP申请服务

自2003年开始提供 MBA 申请服务以来,保持着90% 以上的成功率,其中Top10 MBA服务成功率更是高达95%


查看