Home >> Community Medicine >> ForumTopic: mcq of the day 20/03/2011
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| Author: | Message |
| munni11 Total Posts: 3 | Posted: Sun Mar 20, 2011 04:47 pm can u please give explanation for todays mcq ,thankyou |
| drS786 Total Posts: 54 | Posted: Mon Mar 21, 2011 02:17 am Question: A screening test is used in the same way in two similar populations; but the proportion of false positive results among those who test positive in the population A is lower than those who test positive in population B. What is the likely explanation ? A) The specificity of the test is lower in population A B) The prevalence of the disease is lower in population A C) The prevalence of the disease is higher in population A D) The specificity of the test is higher in population A You marked " C " yes someone could give explanation |