A nurse is reviewing the medical history of a client who asks about the use of warfarin.
The nurse should identify which of the following findings as a contraindication for the administration of this medication?

The correct answer is Choice B: Assign the child to a negative air pressure room.

Choice A rationale: Assessing the child for Koplik spots is not appropriate in this situation because Koplik spots are associated with measles, not varicella. Koplik spots are small, white, irregular lesions that appear on the buccal mucosa during the prodromal phase of measles. They do not present in cases of varicella, which is characterized by a pruritic, vesicular rash.

Choice B rationale: Assigning the child to a negative air pressure room is the most suitable action because varicella is highly contagious and can be transmitted through airborne particles. A negative air pressure room helps to contain these particles and minimize the risk of infection transmission to other patients, healthcare workers, and visitors. Airborne precautions are the recommended infection control measures for managing varicella cases in healthcare settings.

Choice C rationale: Utilizing droplet precautions alone is insufficient for managing varicella because the virus can also be spread through airborne particles. While droplet precautions may be a component of the overall infection control strategy, they are inadequate without the additional implementation of airborne precautions, such as a negative air pressure room.

Choice D rationale: Administering aspirin to a child with a viral illness is generally contraindicated due to the potential risk of Reye's syndrome, a rare but severe condition characterized by liver failure and encephalopathy. It is essential to follow appropriate guidelines for managing fever and discomfort in pediatric patients with varicella, which typically involve using acetaminophen or ibuprofen instead of aspirin.

The correct answer is Choice D.

Choice A rationale: Requesting additional information about the caller's relationship to the client does not ensure the caller's identity is verified, and it could still result in a breach of confidentiality.

Choice B rationale: Providing a general update about the client's condition over the telephone is not appropriate, as it could breach the client's confidentiality.

Choice C rationale: Referring the family member to the client's provider for the update respects confidentiality and ensures that information is only provided to authorized individuals, maintaining the client's privacy.

Choice D rationale: Encouraging the family member to contact the client directly for information ensures that the client has control over their own information and maintains confidentiality. This action respects the client's privacy and autonomy.