Hepatitis B and D Treatment Quiz

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 Signup and view all the answers

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

Hepatitis Delta Virus (HDV) Signup and view all the answers

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 Signup and view all the answers

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

Patents become antibody positive for life even if they clear the infection Signup and view all the answers

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

HCV has higher transmissibility via needle injury than HBV Signup and view all the answers

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

HCV is incurable with drugs while HBV is curable Signup and view all the answers

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

RNA undetected alongside antibodies signals ongoing infection Signup and view all the answers

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

Hepatitis B Virus (HBV) Signup and view all the answers

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

Blood-borne transmission Signup and view all the answers

What is the treatment goal for Hepatitis B Virus infection?

Normalize liver function Signup and view all the answers

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

Surface antigen (HBsAg) Signup and view all the answers

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

Immune due to past infection Signup and view all the answers

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

Transmission via aerosol respiratory droplets Signup and view all the answers

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

Nirmatrelvir + Ritonavir Signup and view all the answers

Which symptom is more specific to SARS-CoV2 infection?

Ageusia (loss of sense of taste) Signup and view all the answers

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

Past exposure or vaccination Signup and view all the answers

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

Wearing respirators Signup and view all the answers

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

Oral-fecal (e.g. contaminated foods) Signup and view all the answers

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

Self-limiting infection not requiring specific antiviral therapy Signup and view all the answers

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

Jaundice and acute gastrointestinal symptoms Signup and view all the answers

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

IgM Signup and view all the answers

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 Signup and view all the answers