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Questions and Answers
What is the primary target organ of Hepatitis B?
What is the primary target organ of Hepatitis B?
- Kidneys
- Lungs
- Heart
- Liver (correct)
How is Hepatitis B virus (HBV) transmitted?
How is Hepatitis B virus (HBV) transmitted?
- Contact with infected blood or body fluids (correct)
- Through airborne droplets
- By mosquito bites
- By consuming contaminated food
What is the composition of the viral core of HBV?
What is the composition of the viral core of HBV?
- Lipids
- Partially double-stranded, circular DNA (correct)
- RNA
- Proteins
What is the function of HBsAg (surface antigen) in HBV?
What is the function of HBsAg (surface antigen) in HBV?
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How can Hepatitis B infection be prevented?
How can Hepatitis B infection be prevented?
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Study Notes
Hepatitis B Infection
- The primary target organ of Hepatitis B is the liver.
Transmission of Hepatitis B Virus (HBV)
- HBV is transmitted through:
- Infected blood and blood products
- Contaminated needles or syringes
- Mother-to-child transmission during pregnancy or childbirth
- Unprotected sex with an infected person
Composition of HBV Viral Core
- The viral core of HBV is composed of:
- Hepatitis B core antigen (HBcAg)
- Hepatitis B e antigen (HBeAg)
Function of HBsAg (Surface Antigen)
- HBsAg is the surface antigen of HBV that:
- Facilitates viral attachment and entry into host cells
- Triggers immune response, inducing production of antibodies against HBV
Prevention of Hepatitis B Infection
- Hepatitis B infection can be prevented through:
- Vaccination against HBV
- Screening of blood and blood products
- Safe sex practices
- Proper sterilization of medical equipment
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