Australian Dental Council (ADC) Practice Test

Question: 1 / 1390

Which of the following does not carry a risk of infection from a hepatitis B patient?

HBs Ag antigens

HBs Ag

HBe Ag

Anti-HBs Ag

The presence of Anti-HBs Ag indicates the immune response to hepatitis B virus infection or vaccination and suggests that the individual has developed antibodies to the virus. This also means that the person is considered to have a lower risk of transmitting the virus, as they have either cleared the infection or been vaccinated, thus indicating immunity.

In contrast, HBs Ag antigens, HBs Ag, and HBe Ag are associated with active hepatitis B infection and can carry the risk of infection to others. HBs Ag indicates the presence of the virus in the bloodstream, while HBe Ag indicates high levels of viral replication and higher infectiousness. Therefore, these markers are associated with a significant risk of transmitting hepatitis B, while Anti-HBs demonstrates a protective immunity without risk for infection.

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