Influenza Update 2009

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You must score 70% or better to pass this course. Select one answer for each question by clicking the circle at the left of your choice. To change your selection, click a different circle. Do not skip any questions.

Test Question

1. Influenza is a contagious respiratory illness that causes mild to severe illness but is never fatal.

a. True
b. False

Test Question

2. Which of the following symptoms are commonly associated with influenza in adults?

a. Sudden onset of fever with diarrhea and vomiting
b. Sudden onset of fever with headache and diarrhea
c. Sudden onset of fever, headache, tiredness, cough, sore throat, runny nose, and body aches
d. Gradual onset of fever with headache, cough, and sore throat

Test Question

3. Influenza is spread through direct and indirect contact with virus-laden droplets.

a. True
b. False

Test Question

4. The primary method for preventing influenza and its severe complications is:

a. Vaccination.
b. Antiviral medications.
c. Handwashing.
d. Isolation.

Test Question

5. Influenza A viruses are categorized into subtypes on the basis of their:

a. Effects on specific age groups.
b. Surface antigens.
c. Presence in certain geographical regions.
d. Morbidity rates.

Test Question

6. Antigenic drift is:

a. Immunocompromise due to poor health habits.
b. Poor immune response to established viruses.
c. Alteration of the genetic makeup of a virus.
d. Movement of viruses globally in a pandemic.

Test Question

7. Healthy adults who have influenza may be able to infect others:

a. One day before getting symptoms and up to 5 days after getting sick.
b. One week before getting symptoms and up to 2 weeks after getting sick.
c. Only after they are symptomatic.
d. Only before they are symptomatic.

Test Question

8. The risks for complications of influenza are spread equally across all age groups.

a. True
b. False

Test Question

9. Live attenuated influenza vaccine (LAIV) may cause mild, flu-like symptoms because:

a. It contains live virus.
b. It is given in two doses.
c. It is more potent, and also more effective.
d. Attenuated strains have greater virulence.

Test Question

10. Trivalent inactivated vaccine (TIV) contains dead viruses and is approved for administration to anyone over six months of age.

a. True
b. False

Test Question

11. Live attenuated influenza vaccine (LAIV) is administered:

a. Intranasally to infants under 6 months of age.
b. Intranasally to people aged 2 to 49 years.
c. Intranasally to adults over age 50.
d. Intramuscularly to children under age 5.

Test Question

12. Improved antibody response is apparent when:

a. Adults receive two vaccine doses in the same season.
b. Children receive two vaccine doses approximately four weeks apart.
c. Children with mild febrile illness are vaccinated after their symptoms have abated.
d. Children receive a priming dose in the spring, followed by a second dose after the onset of flu season.

Test Question

13. When used to inoculate healthy adults, TIV and LAIV are equally effective.

a. True
b. False

Test Question

14. LAIV must be stored:

a. Under lock and key.
b. In a freezer box within a standard freezer.
c. At 0°C.
d. In a refrigerator.

Test Question

15. Antiviral drugs such as zanamivir and oseltamivir can be given as a substitute for the influenza vaccination.

a. True
b. False

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