A mother and her 2-week-old infant, who is breastfed, have been exposed to chicken pox. Although the mother had chicken pox as a child, she is concerned about her baby.
The nurse explains:
The baby should receive immune globulin to protect him from the infection.
The infant is at risk because the baby has not been immunized against the disease.
Both infant and mother are at risk because the mother's immunity was acquired too long ago to be effective.
Neither are at risk, because the mother has naturally acquired immunity, and she passes antibodies to the baby through the breast milk.
The Correct Answer is D
Choice A rationale
While immune globulin can be given to non-immune individuals exposed to chickenpox, the baby already has some protection because the mother has naturally acquired immunity. Hence, giving immune globulin is not necessary in this case.
Choice B rationale
Although the infant has not been immunized against chickenpox, the baby still receives passive immunity through the mother's breast milk. The antibodies transferred via breastfeeding provide some level of protection to the baby.
Choice C rationale
The mother's immunity against chickenpox, acquired from a past infection, remains effective throughout her life. This immunity is transferred to the baby through the placenta during pregnancy and continues through breastfeeding, providing protection to the infant.
Choice D rationale
The mother’s naturally acquired immunity from her childhood infection provides antibodies against chickenpox that she passes on to the baby through the breast milk. This passive immunity helps protect the baby from the infection.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale
Keeping the bed flat does not necessarily aid lung expansion and can sometimes increase the risk of aspiration in patients with compromised mobility or cognition.
Choice B rationale
Encouraging the patient to cough frequently helps clear secretions from the lungs, compensating for the diminished function of cilia in elderly patients.
Choice C rationale
Encouraging bed rest can lead to complications such as muscle atrophy, decreased lung capacity, and increased risk of pressure ulcers in elderly patients.
Choice D rationale
Restricting fluid intake to prevent pulmonary congestion is not generally recommended unless there is a specific medical condition requiring fluid restriction, as adequate hydration is vital for overall health.
Correct Answer is D
Explanation
Choice A rationale
Dressings are typically sterilized using steam or other standard methods, not ethylene oxide gas, which is reserved for materials that are sensitive to heat and moisture.
Choice B rationale
Surgical instruments are commonly sterilized using steam autoclaving, which is highly effective and efficient.
Choice C rationale
Floors and walls do not require sterilization with ethylene oxide gas; standard cleaning and disinfection methods are sufficient.
Choice D rationale
Heat-sensitive items require ethylene oxide gas sterilization because it is effective at low temperatures without damaging delicate materials.
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