Maternal Disorders Related

Review Maternal Disorders related questions and content

A client comes to an outpatient clinic for evaluation. What in the client's blood sample reveals that administration of the hepatitis B vaccine has been effective?

  • A. Hepatitis B surface antigen (HBsAg)
  • B. anti-HBs
  • C. anti-HBc IgM
  • D. anti-HBc
Correct Answer: B

Rationale: The correct answer is B: anti-HBs. This antibody indicates successful immunity after hepatitis B vaccination. It is produced in response to the vaccine and signifies protection against the virus. Choice A, HBsAg, is present in acute infection. Choices C and D, anti-HBc IgM and anti-HBc, indicate acute or chronic infection, not vaccine response.