Influenza Post-test

Question 1 - Single Best Answer

Influenza virus can NOT:

A) cause upper respiratory infections
B) cause viral pneumonia
C) predispose to bacterial pneumonia
D) cause gastrointestinal infections

Patients with influenza infections should be advised to do all of the following EXCEPT:

A) stay hydrated
B) stay in a warm environment
C) sweat it out by exercising
D) take acetaminophen for muscle aches
E) use rimantadine or amantadine to reduce the duration of symptoms

If during flu season a patient starts to get better after 3 or 4 days of flu-like symptoms and then on day 5 or 6 starts to feel worse, the most likely diagnosis is:

A) viral pneumonia
B) bacterial pneumonia
C) relapsing influenza
D) reinfection with influenza virus
E) infection with different virus

The influenza virus does NOT:

A) infect pseudostratified columnar epithelium
B) cause desquamation of ciliated and mucus producing cells
C) predispose to bacterial pneumonia
D) predispose to otitis media
E) cause viremia

Host defense against influenza does NOT include:

A) mucosal IgA antibody protecting the nose
B) serum IgG antibody protecting the lung
C) cell mediated immunity causing recovery
D) serum complement neutralizing the virus
E) heterotypic immunity induced by infection with another influenza A virus

Flu shots are HIGHLY recommended for ALL BUT one group:

A) those 65 or older
B) children on chronic aspirin therapy
C) persons receiving chronic antibiotic therapy
D) residents of nursing homes or other long term care facilities
E) patients with chronic heart or lung disease

All of the following are true about commercial flu shots EXCEPT:

A) should be given annually in the late fall
B) induce serum IgG antibody but little IgA antibody or cell mediated immunity
C) cause influenza in some patients
D) usually prevent viral pneumonia
E) sometimes does not prevent upper respiratory tract infection

Influenza infection: Choose the one FALSE answer:

A) predisposes to bacterial pneumonia because it interferes with the "tracheal toilet"
B) predisposes to otitis media because it desquamates the epithelium of the eustachian tube
C) can be lethal because it desquamates the nasal epithelium
D) can cause pulmonary edema if it infects alveolar epithelial cells
E) causes systemic symptoms probably because of the release of interferon and other cytokines

Amantadine or rimantadine can be life saving if used early for treating influenza viral pneumonia. They:

A) may shorten the duration of influenza infection if used early
B) should be used prophylactically in at risk unimmunized patients until they can mount an immune response to a flu shot
C) will inhibit the formation of IgG antibody
D) are of little or no value if used after day 4 in the usual influenza infection
E) can cause insomnia, dizziness, anorexia, and nausea

Keeping the influenza virus from replicating in alveolae and terminal bronchi is one major goal of therapy. This can be accomplished by: (Choose one FALSE answer)

A) maintaining the temperature of the bronchial epithelium at or above 37 degrees C
B) minimizing deep inhalation
C) preventing dehydration of the respiratory epithelium
D) vaccinating a recently infected person to induce higher levels of IgG antibody
E) taking amantadine

All of the following are true regarding influenza in the elderly EXCEPT:

A) Medicare does not provide reimbursement for flu shots in healthy elderly persons
B) the major problem in their immunity is a decline in cell-mediated immunity
C) they often present with lower body temperatures
D) rimantadine/amantadine are useful adjuncts in managing nursing home outbreaks
E) flu is a significant cause of morbidity and mortality

[END OF TEST]

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