Imagine you are planning to visit a family member who is a nursing home resident. The nursing home requires that all visitors test negative for an active SARS-CoV-2 infection no more than two weeks before the visit. Which of the two tests shown above would you choose?
Imagine you are planning to visit a family member who is a nursing home resident. The nursing home requires that all visitors test negative for an active SARS-CoV-2 infection no more than two weeks before the visit. Which of the two tests shown above would you choose?
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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Imagine you are planning to visit a family member who is a nursing home resident. The nursing home
requires that all visitors test negative for an active SARS-CoV-2 infection no more than two weeks before the
visit. Which of the two tests shown above would you choose?
Transcribed Image Text:The Detection animation discusses two types of tests used to determine whether someone has an active
SARS-CoV-2 infection. The table below compares some aspects of these tests as of August 2020.
Test type
RT-PCR test
Antigen test
Tests for presence of Accuracy
Pieces of the virus's
RNA genome
Pieces of viral
proteins (antigens)
Few false negatives.* Test
usually does not need to be
repeated.
More false negatives than the
RT-PCR test. May need other
tests to confirm negative
results.
*A false negative is when an active infection is not detected by the test.
Time to get results
One day to one week
One hour or less
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