A nurse is caring for a newborn whose mother is positive for the hepatitis B surface antigen.Which of the following should the infant receive?
Hepatitis B immune globulin at 1 week followed by hepatitis B vaccine monthly for 6 months.
Hepatitis B immune globulin and hepatitis B vaccine within 12 hr of birth.
Hepatitis B vaccine monthly until the newborn tests negative for the hepatitis B surface antigen.
Hepatitis B vaccine at 24 hr followed by hepatitis B immune globulin every 12 hr for 3 days.
The Correct Answer is B
Choice A rationale
Hepatitis B immune globulin at 1 week followed by hepatitis B vaccine monthly for 6 months is incorrect. This schedule delays the immune response and leaves the infant unprotected during the critical early period when the risk of transmission is highest.
Choice B rationale
Hepatitis B immune globulin and hepatitis B vaccine within 12 hr of birth is the correct approach. This combination provides immediate passive immunity through the immune globulin and active immunity through the vaccine, significantly reducing the risk of hepatitis B transmission from mother to child.
Choice C rationale
Hepatitis B vaccine monthly until the newborn tests negative for the hepatitis B surface antigen is incorrect. Monthly administration alone is insufficient without the initial dose of immune globulin, especially since the infant may remain at risk until the negative test result.
Choice D rationale
Hepatitis B vaccine at 24 hr followed by hepatitis B immune globulin every 12 hr for 3 days is incorrect. The delay in the first vaccine dose reduces its efficacy, and the immune globulin schedule does not align with established guidelines for preventing hepatitis B transmission.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B","C"]
Explanation
Choice A rationale: Administer IV fluids with electrolytes: This is crucial to rehydrate the client and correct electrolyte imbalances caused by excessive vomiting, a common complication of hyperemesis gravidarum.
Choice B rationale: Offer small, frequent meals high in protein: Small, frequent meals can help manage nausea and vomiting by preventing the stomach from becoming empty, while high-protein foods can provide necessary nutrients and energy.
Choice C rationale: Administer antiemetics as prescribed: Antiemetics can help control nausea and vomiting, improving the client's ability to tolerate oral intake and maintain hydration and nutrition.
Choice D rationale: Encourage the client to increase oral fluid intake immediately: While increasing oral fluid intake is beneficial, it may not be immediately feasible due to the severity of nausea and vomiting in hyperemesis gravidarum. Hence, initial IV fluid therapy is prioritized.
Choice E rationale: Perform continuous fetal monitoring: Continuous fetal monitoring is not typically necessary in the early stages of pregnancy, especially at 11 weeks of gestation. The primary focus should be on stabilizing the mother's condition to support overall pregnancy health.
Correct Answer is C
Explanation
Choice A rationale
Syphilis can be treated with antibiotics, particularly penicillin. It is not true that there is no cure, and immunization against syphilis is not available. Proper treatment can prevent transmission to the fetus.
Choice B rationale
Changing cat litter, even with gloves, is not safe for pregnant women due to the risk of toxoplasmosis. Toxoplasmosis can cause serious complications in the fetus, and direct contact with cat feces should be avoided.
Choice C rationale
The best way to prevent CMV (cytomegalovirus) infection is through thorough and consistent hand hygiene. CMV is a common virus that can cause congenital infections, and hygiene practices are crucial for prevention.
Choice D rationale
RPR (Rapid Plasma Reagin) tests for syphilis, not rubella. A rubella vaccine would be needed if the mother is non-immune, but this would be administered post-delivery. The statement reflects a misunderstanding of the tests and vaccines.
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