For the client who reports pain, the nurse should consider the following as the most reliable indicator of pain:

Choice A reason: Documenting the pulse as "82/min, client sitting in a chair" is correct and shows an understanding of the teaching. The pulse rate is within the normal range for a resting adult, which is typically between 60 to 100 beats per minute. Additionally, noting the client's position is important as body position can affect pulse rate; sitting can slightly increase the pulse compared to lying down.

Choice B reason: The temperature of "36.9°C (98.4°F)" is within the normal range for body temperature, which is typically between 36.5°C to 37.5°C (97.7°F to 99.5°F). Documenting the temperature in both Celsius and Fahrenheit is a good practice, as it provides clarity and prevents confusion in clinical settings where different systems may be used.

Choice C reason: The documentation of respirations as "auscultated, even at 22/min, client supine" is appropriate. The normal respiratory rate for a healthy adult at rest is between 12 to 20 breaths per minute. Noting that the respirations are even and the client's position is supine is important, as different positions can affect breathing patterns and rates.

Choice D reason: A blood pressure reading of "108/68 mm Hg" falls within the normal range, which is generally considered to be between 90/60 mm Hg and 120/80 mm Hg for adults. Proper documentation of blood pressure includes both systolic and diastolic values, as seen here, which is essential for accurate monitoring and treatment decisions.

Choice A reason: When a patient has an elevated temperature, the body is attempting to cool down through vasodilation, which is why the skin may appear flushed and feel warm. Removing excess blankets can help facilitate the body's natural cooling process. Offering fluids is also crucial as fever can lead to dehydration, especially if there is sweating. Adequate hydration helps regulate body temperature and replaces fluids lost through sweating. The normal body temperature range is typically between 36.5°C to 37.5°C (97.7°F to 99.5°F). When the body temperature rises above this range, interventions such as removing blankets and providing fluids can be effective in reducing fever.

Choice B reason: Increasing the patient's activity is not advisable when they have an elevated temperature and are experiencing severe fatigue. Activity generates heat and can raise body temperature further, exacerbating the fever. Rest is recommended to conserve energy and reduce metabolic demand, which can help lower the body temperature.

Choice C reason: The use of ice bags can be a rapid cooling measure but must be used with caution. Direct application of ice to the skin can cause vasoconstriction and shivering, which can actually increase the body's core temperature. It is generally reserved for hyperthermia or heatstroke when immediate cooling is necessary. For a simple fever, less aggressive cooling measures are usually preferred.

Choice D reason: Decreasing the patient's intake is not appropriate unless there is a specific contraindication, such as vomiting or risk of aspiration. Adequate nutrition supports the immune system and provides the energy needed for the body to combat the underlying cause of the fever.