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10. 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, or what other information would you want to learn before choosing? Use evidence from the table to support your answer. 11. In addition to the tests described above, people can also get tested for the presence of SARS-CoV-2 antibodies. Explain how an individual could test negative for an active SARS-CoV-2 infection and positive for SARS-CoV-2 antibodies.

10. 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, or what other information would you want to learn before choosing? Use evidence from the table to support your answer. 11. In addition to the tests described above, people can also get tested for the presence of SARS-CoV-2 antibodies. Explain how an individual could test negative for an active SARS-CoV-2 infection and positive for SARS-CoV-2 antibodies.

Human Anatomy & Physiology (11th Edition)
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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Question #11 with explanation
PART 3: Detection Watch the third animation, Detection, which shows several ways to test whether someone has been infected by the SARS-CoV-2 virus. The 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. Tests for presence of Accuracy Time to get results Test type RT-PCR test Antigen test 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. One day to one week One hour or less *A false negative is when an active infection is not detected by the test. 10. 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, or what other information would you want to learn before choosing? Use evidence from the table to support your answer. 11. In addition to the tests described above, people can also get tested for the presence of SARS-CoV-2 antibodies. Explain how an individual could test negative for an active SARS-CoV-2 infection and positive for SARS-CoV-2 antibodies.
Transcribed Image Text:PART 3: Detection Watch the third animation, Detection, which shows several ways to test whether someone has been infected by the SARS-CoV-2 virus. The 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. Tests for presence of Accuracy Time to get results Test type RT-PCR test Antigen test 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. One day to one week One hour or less *A false negative is when an active infection is not detected by the test. 10. 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, or what other information would you want to learn before choosing? Use evidence from the table to support your answer. 11. In addition to the tests described above, people can also get tested for the presence of SARS-CoV-2 antibodies. Explain how an individual could test negative for an active SARS-CoV-2 infection and positive for SARS-CoV-2 antibodies.
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