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Social & Preventive Medicine Practice MCQs

Browse 12,254 high-yield clinical questions in Social & Preventive Medicine. Includes detailed explanations, options, and topic tags.

#957 General

An experimental diagnostic test is developed to noninvasively detect the presence of trisomy 21, Down's syndrome. The test is administered to a group of 500 women considered to be at risk for a Down's fetus based on blood tests. The results of this test are shown below. What is the sensitivity of this new test? \r\n \r\n\r\n\r\n \r\n\r\nTrisomy 21\r\n\r\n\r\nNormal Karyotype\r\n\r\n\r\n\r\n\r\nPositive Test\r\n\r\n\r\n100\r\n\r\n\r\n50\r\n\r\n\r\n\r\n\r\nNegative Test\r\n\r\n\r\n100\r\n\r\n\r\n250\r\n\r\n\r\n\r\n

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