Respiratory Syncytial Virus (RSV) and Paramyxoviruses

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What is the primary purpose of palivizumab in high-risk infants?

To treat COVID-19 symptoms in adults

To reduce the probability of recurrent wheezing in infants

To treat severe RSV infection in adults

To prevent severe RSV infection in high-risk infants (correct)

What is the effectiveness of azithromycin therapy in reducing recurrent wheezing?

It has no effect on recurrent wheezing

It reduces the probability of recurrent wheezing by 75%

It reduces the probability of recurrent wheezing by 20%

It reduces the probability of recurrent wheezing by 50% (correct)

What is the common symptom of SARS-CoV-2 in symptomatic cases?

Headache and fatigue

Cough and fever (correct)

Dyspnea

Sore throat and runny nose

What is the frequency of the clinical triad of cough, fever, and dyspnea in SARS-CoV-2 cases?

Less than 15% Signup and view all the answers

What is the percentage of asymptomatic cases in SARS-CoV-2?

At least 20-35% Signup and view all the answers

What is the name of the monoclonal antibody used to prevent severe RSV infection in high-risk infants?

Palivizumab Signup and view all the answers

What is the primary treatment approach for Respiratory Syncytial Virus (RSV) infections?

Supportive care Signup and view all the answers

Which of the following medications can be considered in high-risk patients with RSV infection?

Aerosolized ribavirin or RSV-enriched IVIG Signup and view all the answers

What is the reason for the high morbidity and mortality of RSV infections in certain age groups?

Extremes of age (younger than 5 years and older than 65 years) Signup and view all the answers

What is the current status of RSV vaccination?

No active vaccination for RSV is currently available Signup and view all the answers

Which of the following medications is used for the treatment of hepatitis B and C?

Interferon-alpha Signup and view all the answers

What is the purpose of Palivizumab therapy in high-risk infants?

Prevention of RSV infections Signup and view all the answers

What is the mechanism of action of inhaled zanamivir?

Similar to oseltamivir Signup and view all the answers

What is the administration route for intravenous peramivir?

Single i.v. dose Signup and view all the answers

What is the target of baloxavir in influenza treatment?

Influenza cap-dependent endonuclease Signup and view all the answers

What is the main goal of treatment in hepatitis B?

Viral suppression and prevention of complications Signup and view all the answers

How does ribavirin triphosphate affect viral mRNA synthesis?

It competitively inhibits viral mRNA synthesis Signup and view all the answers

What is the effect of lamivudine on hepatitis B virus?

It inhibits hepatitis B virus DNA polymerase Signup and view all the answers