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Hepatitis A takes hold in the community

Author Information
doi: 10.1097/01.NURSE.0000682092.83443.77
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INSTRUCTIONS Hepatitis A takes hold in the community


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Lippincott Professional Development will award 1.0 contact hour and 0.5 pharmacology credit for this continuing nursing education activity. Lippincott Professional Development is accredited as a provider of continuing nursing education by the American Nurses Credentialing Center's Commission on Accreditation. This activity is also provider approved by the California Board of Registered Nursing, Provider Number CEP 11749 for 1.0 contact hour, and the District of Columbia, Georgia, and Florida CE Broker #50-1223.

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Hepatitis A takes hold in the community

GENERAL PURPOSE: To provide information about HAV infection. LEARNING OBJECTIVES/OUTCOMES: After completing this continuing-education activity, you should be able to: 1. Describe the epidemiology of HAV infection. 2. Identify prevention strategies for HAV infection. 3. Recognize the signs and symptoms of HAV infection.

  1. In the US, HAV infection is acquired primarily via which route?
    1. airborne
    2. respiratory droplet
    3. fecal-oral
  2. Which patients with HAV infection are generally asymptomatic?
    1. young children
    2. middle-aged adults
    3. older adults
  3. Approximately how long after HAV exposure do signs and symptoms typically appear in adults?
    1. 2 weeks
    2. 1 month
    3. 12 months
  4. Common signs and symptoms of HAV infection include an abrupt onset of
    1. myalgia.
    2. oliguria.
    3. abdominal pain.
  5. A patient with HAV infection may develop jaundice, bilirubinuria, and
    1. acholic stools.
    2. hematochezia.
    3. melena.
  6. A severe HAV infection can lead to
    1. esophageal varices.
    2. perforated bowel.
    3. renal disease.
  7. Most cases of HAV infection are self-limiting and resolve within
    1. 2 weeks.
    2. 1 month.
    3. 2 months.
  8. The CDC's 2019 clinical diagnostic criteria for HAV include
    1. bilirubinemia.
    2. leukocytosis.
    3. thrombocytopenia.
  9. Serum IgM anti-HAV antibodies are detectable approximately how long before signs and symptoms appear?
    1. 2 days
    2. 4 days
    3. 1 week
  10. The presence of IgG anti-HAV antibodies without IgM anti-HAV antibodies indicates any of the following except
    1. acute infection.
    2. vaccination.
    3. prior HAV infection.
  11. PCR testing directly detects HAV
    1. IgG.
    2. RNA.
    3. IgM.
  12. Teach a symptomatic patient with HAV to
    1. limit alcohol to 2 drinks/day.
    2. avoid acetaminophen.
    3. continue working or attending school.
  13. HAV is inactivated when food is heated for 1 minute to a temperature of at least
    1. 158°F (70°C).
    2. 185°F (85°C).
    3. 212°C (100°C).
  14. Over 68% of HAV infections in the US occur among individuals with a history of drug use or
    1. homelessness.
    2. diabetes.
    3. malignancy.
  15. Which vaccine contains both HAV and HBV antigens?
    1. Vaqta
    2. Havrix
    3. Twinrix
  16. Which statement regarding HAV vaccination is accurate?
    1. It is safe to vaccinate pregnant women.
    2. It is harmful to administer a vaccine to someone who was previously vaccinated.
    3. Antibody testing should be performed before vaccinating at-risk individuals.
  17. In areas with poor sanitation, about what percentage of children are infected with HAV before age 10?
    1. 90%
    2. 50%
    3. 10%
  18. In the event of an outbreak, PEP for unvaccinated people who have been exposed to HAV in the previous 2 weeks may include
    1. a dose of Twinrix.
    2. one dose of HAV-specific IG.
    3. tapering doses of solumedrol.
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