NCLEX RN Practice Question # 640

NCLEX Examination.

Practice Question # 640.

Nclex

Protects against hepatitis B
Administered by the intramuscular route
First dose of hepatitis B vaccine (monovalent) should be administered soon after birth and before hospital discharge (the birth dose can be delayed in rare circumstances if the infant’s mother tests negative for hepatitis B surface antigen [HBsAg]).
Monovalent HepB or a combination vaccine containing hepatitis B may be used to complete the series.
The second dose is administered at age 1 to 2 months.
The final dose should be given at 24 weeks or older (6 to 18 months of age).
Contraindications: Severe allergic reaction to previous dose or vaccine component (components include aluminum hydroxide, yeast protein)
Precautions: An infant weighing less than 2000 g or an infant with moderate or severe acute illness with or without fever.
HBsAg-positive mothers
- Infant should receive HepB vaccine and hepatitis B immunoglobulin (HBIG) within 12 hours of birth.
- Infant should be tested for HBsAg and antibody to HBsAg after completion of HepB series (9 to 18 months of age).
Mother whose HBsAg status is unknown
- Infant should receive the first dose of hepatitis vaccine series within 12 hours of birth.
- Maternal blood should be drawn as soon as possible to determine the mother’s HBsAg status.
- If the mother’s HBsAg test result is positive, the infant should receive HBIG as soon as possible (no later than 1 week of age).