Answered: What is the prevalence of COVID-19 in…

Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Suppose that 25,000 individuals were tested for COVID-19 using rapid diagnostic test (RDT). Of these, 1,200 individuals had RDT positive result; of those who tested positive, 340 had RT-PCR indicating a diagnosis of
COVID-19 positive. Among the remaining 23,800 individuals who are RDT negative, 32 developed symptoms the following days and was confirmed COVID-19 positive. They were assumed to be false negatives to RDT.
44. What is the prevalence of COVID-19 in this population?
A. 0.5%

B. 1.5%

C. 2.5%

D. 3%

45. What is the specificity and sensitivity of RDT?
A. 91.4%; 96.51%
B. 91.5%; 98%

C. 96.43%; 87.76%
D. 96.71%; 89.56%

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