An individual with hepatomegaly, jaundice, and elevated liver enzymes has the following laboratory results: IgM anti-HAV (negative), HBsAg (positive), IgM anti-HBc (positive), and anti-HCV (negative). These findings support a diagnosis of
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Which of the following hepatitis viruses is transmitted by the fecal-oral route?
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Quantitative tests for HCV RNA are used to
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The serum of an individual who received all doses of the hepatitis B vaccine should contain
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A 12-year-old girl presented to her physician with a sore throat, lymphadenopathy, and fatigue. Her laboratory results were 5000 lymphocytes/L with 10 percent atypical lymphocytes, CMV antibody negative, and heterophile antibody screen negative. These laboratory results
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In the laboratory, heterophile antibodies are routinely detected by their reaction with
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Presence of IgM anti-rubella antibodies in the serum from an infant born with a rash suggests
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A pregnant woman is exposed to a child with a rubella infection. She had no clinical symptoms but had a rubella titer performed. Her antibody titer was 1:8. Three weeks later, the test was repeated, and her titer was 1:128. She still had no clinical symptoms. Was the laboratory finding indicative of rubella infection?
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The most common cause of congenital infections is
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A positive result on a screening test for HTLV-I antibody
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[Immunology] The Serology and Molecular Detection of Viral Infections Quizzes (10 tests)
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