Associate Safety Professional Practice Exam

Which virus is associated with causing Hepatitis B?

1. Brucella

2. Varicella

3. Hepatitis B virus

4. Influenza virus

The correct answer is: Hepatitis B virus

The selection of the Hepatitis B virus as the correct answer highlights its direct association with the disease known as Hepatitis B, which is an infection that primarily affects the liver and can lead to chronic liver disease and liver cancer. The Hepatitis B virus is a member of the Hepadnaviridae family and is distinct in that it is a DNA virus, which sets it apart from other viruses commonly associated with different diseases. The other options do not relate specifically to Hepatitis B. Brucella refers to a genus of bacteria that causes brucellosis, an infectious disease in animals and humans, which is unrelated to liver infections. Varicella is the virus responsible for chickenpox, a viral infection that manifests with skin rashes and is caused by the varicella-zoster virus. Lastly, the Influenza virus causes the flu, affecting the respiratory system, and has no link with liver disease or Hepatitis B specifically. Understanding this context is important as it delineates the specific pathogenic agent responsible for Hepatitis B and helps clarify why it is essential to identify the correct virus associated with specific infections.