Correct Answer: B

Rationale: Isolating children with varicella until vesicles crust prevents the spread of this highly contagious virus. Fifth disease is viral and does not require antibiotics, roseola is not prevented by immunizations, and fluid restriction is inappropriate for pertussis as hydration is crucial.

Correct Answer: A

Rationale: Asking the family if they want to participate in post-mortem care respects their wishes and involves them in the process, which is culturally sensitive and appropriate. Lying the head flat may cause discoloration, medical equipment should be removed entirely, and dentures should remain to maintain facial shape.

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