Hepatitis B and D Treatment Quiz

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25 Questions

Which virus does not have a vaccine available as a preventive measure?

Hepatitis C Virus (HCV)

In the setting of HIV coinfection, which type of sex could potentially lead to the transmission of Hepatitis C Virus (HCV)?

Anal sex

Which enzyme plays a crucial role in HCV replication by building necessary proteins?

Polymerases NS5A and NS5B

What is a major consequence of Hepatitis C Virus (HCV) infection that affects the liver?

Liver fibrosis

Which virus must borrow the envelope protein from HBV for its own structure?

Hepatitis Delta Virus (HDV)

Which of the following is NOT a way in which HBV differs from HCV?

Higher chance of spontaneous clearance if virus is acquired in adulthood vs lower chance

Why is the mere presence of antibodies NOT proof of HCV infection?

Patents become antibody positive for life even if they clear the infection

Which statement accurately differentiates HBV and HCV transmission through needle injury?

HCV has higher transmissibility via needle injury than HBV

Why is it essential to differentiate between HBV and HCV in terms of treatment approach?

HCV is incurable with drugs while HBV is curable

How does looking for HCV RNA help confirm infection status in patients?

RNA undetected alongside antibodies signals ongoing infection

Which hepatitis virus is the only DNA virus among all hepatitis viruses?

Hepatitis B Virus (HBV)

What is the main route of transmission for Hepatitis B Virus (HBV)?

Blood-borne transmission

What is the treatment goal for Hepatitis B Virus infection?

Normalize liver function

Which antigen is used for screening, diagnosing, and treating Hepatitis B Virus infection?

Surface antigen (HBsAg)

If a patient tests negative for HBsAg, positive for HBcAb, and positive for HBsAb, what does this indicate?

Immune due to past infection

What is the main mode of transmission for SARS-CoV 1 and 2?

Transmission via aerosol respiratory droplets

Which drug combination acts as a protease inhibitor against COVID-19?

Nirmatrelvir + Ritonavir

Which symptom is more specific to SARS-CoV2 infection?

Ageusia (loss of sense of taste)

In terms of serology result interpretation, what does a positive result indicate?

Past exposure or vaccination

What is the most effective preventive measure against COVID-19 indoors?

Wearing respirators

Which of the following accurately describes the major route of transmission for Hepatitis A Virus (HAV)?

Oral-fecal (e.g. contaminated foods)

What is the characteristic feature of HAV infection in immunocompetent individuals that influences the treatment approach?

Self-limiting infection not requiring specific antiviral therapy

Which of the following is a common clinical symptom associated with Hepatitis A Virus infection?

Jaundice and acute gastrointestinal symptoms

During the course of HAV infection, which antibody type is usually detected first in serology testing?

IgM

How would a serology result showing a rise in anti-HAV IgG levels impact the interpretation of a patient's infection status?

Signifies protection against future HAV infections

Test your knowledge on the treatment of Hepatitis B and D, including the use of monotherapy with drugs like Tenofovir, Entecavir, and Lamivudine. Explore the role of interferon in HBV treatment and the challenges in preventing HDV infections. Understand the interactions between HBV and HDV in coinfection scenarios.

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