A nurse is caring for a newborn whose mother is positive for the hepatitis B surface antigen. Which of the following treatments should the infant receive?
The hepatitis B vaccine is monthly until the newborn tests negative for the hepatitis B surface antigen
Hepatitis B immune globulin and the hepatitis B vaccine within 12 hours of birth
Hepatitis B immune globulin at 1 week followed by the hepatitis B vaccine monthly for 6 months
The hepatitis B vaccine at 24 hours followed by hepatitis B immune globulin every 12 hours for 3 days
The Correct Answer is B
Choice A rationale:
Administering the hepatitis B vaccine monthly until the newborn tests negative for the hepatitis B surface antigen is not the appropriate treatment for a newborn whose mother is positive for the hepatitis B surface antigen. Immediate intervention is required to prevent transmission.
Choice B rationale:
The newborn of a mother who is positive for the hepatitis B surface antigen should receive hepatitis B immune globulin (HBIG) and the hepatitis B vaccine within 12 hours of birth. HBIG provides passive immunity to the baby while the vaccine stimulates active immunity.
Choice C rationale:
Administering hepatitis B immune globulin for 1 week followed by the hepatitis B vaccine monthly for 6 months is not the correct treatment plan. Immediate intervention is necessary to prevent transmission to the newborn.
Choice D rationale:
Administering the hepatitis B vaccine at 24 hours followed by hepatitis B immune globulin every 12 hours for 3 days is not the appropriate treatment. Hepatitis B immune globulin should be given within 12 hours of birth, not over several days.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["B","E"]
Explanation
Choice A rationale: Cephalopelvic disproportion is a condition where the baby's head is too large or the mother's pelvis is too small for a vaginal delivery. Amniocentesis does not provide information about this condition.
Choice B rationale: Amniocentesis can be used to detect neural tube defects such as spina bifida and anencephaly.
Choice C rationale: Rh incompatibility is related to the mother's Rh blood type and the presence of Rh antibodies. Amniocentesis is not used to detect Rh incompatibility; other blood tests are used for this purpose.
Choice D rationale: Amniocentesis can determine the gender of the fetus, but it is not typically performed for this purpose alone. Gender determination is usually offered as an optional component of amniocentesis if the client desires to know the gender of the baby.
Choice E rationale: Amniocentesis is commonly used to screen for chromosomal abnormalities such as Down syndrome (trisomy 21) and other genetic conditions.
Correct Answer is C
Explanation
Choice A rationale:
Elevating the client's legs is not the first action to address late decelerations. Positioning the client on her side is the priority intervention.
Choice B rationale:
Administering oxygen via a face mask is an appropriate intervention for late decelerations, but it is not the first action. Positioning the client on her side is the priority.
Choice C rationale:
Positioning the client on her side can relieve pressure on the vena cava and improve fetal oxygenation, which is crucial in managing late decelerations.
Choice D rationale:
Increasing the infusion rate of the IV fluid may not directly address the cause of late decelerations and is not the first action to take in this situation.
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