A nurse is assessing a client who has a chest tube with a water seal drainage system.
Upon assessment, the nurse notes tidaling in the water seal.
Which of the following is an explanation for the tidaling?

Choice A rationale:

Taking temperature within 30 minutes after the first morning void is specific to ovulation prediction kits, not the basal body temperature method.

Choice B rationale:

Taking temperature 1 hour after getting out of bed is not accurate for tracking basal body temperature fluctuations related to the menstrual cycle.

Choice C rationale:

Taking temperature every night before going to bed does not provide consistent basal body temperature readings, as the body temperature needs to be taken at the same time every morning to detect subtle changes related to the menstrual cycle.

Choice D rationale:

This is the correct answer. To use the basal body temperature method effectively, the client should take their temperature immediately after waking and before getting out of bed every morning. This helps in detecting the slight rise in basal body temperature that occurs after ovulation, indicating the fertile period.

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.