While caring for a client with a full-thickness burn covering 40% of the body surface area (BSA), the nurse observes purulent drainage at the wound.

Before reporting this finding to the healthcare provider, the nurse should note which of the client's laboratory values?

Choice A rationale:

Hyperglycemia is a key symptom of DKA. It occurs when there is an insufficient amount of insulin in the body to allow glucose to enter cells for use as energy. As a result, the body begins to break down fat for fuel, leading to the production of ketones and causing blood glucose levels to rise1. Normal blood glucose levels are between 4.0 to 6.0 mmol/L when fasting and up to 7.8 mmol/L two hours after eating2.

Choice B rationale:

Ketonuria, or the presence of ketones in the urine, is another symptom of DKA. When the body breaks down fat for energy, ketones are produced. If too many ketones build up in the blood, they can spill over into the urine1.

Choice C rationale:

Metabolic acidosis occurs in DKA due to the accumulation of ketones in the blood. Ketones are acidic, and when they build up in the blood, they cause the blood to become more acidic, leading to metabolic acidosis1.

Choice D rationale:

Hypokalemia is not a symptom of DKA. In fact, patients with DKA often have high potassium levels in their blood at presentation because acidosis causes potassium to move from inside the cells into the bloodstream1. However, during treatment for DKA, when insulin is administered and acidosis is corrected, potassium moves back into the cells and can lead to low potassium levels or hypokalemia1.

Choice E rationale:

Dehydration is a common symptom of DKA. High blood glucose levels lead to increased urination as the body tries to get rid of the excess glucose. This can result in dehydration1.

Choice F rationale:

Kussmaul respirations are a type of hyperventilation that occurs in DKA as the body tries to get rid of excess acids (ketones) through the lungs by breathing rapidly and deeply1.

The correct answer is Choice B: Advise the client that lifestyle changes often take several weeks to be effective.

Choice B rationale: Exercise is known to improve sleep quality and reduce the time it takes to fall asleep; however, these benefits may not be immediate. Lifestyle modifications, such as incorporating regular physical activity, typically require several weeks before noticeable improvements in sleep patterns and overall health are observed. By informing the client about this expected timeframe, the nurse promotes realistic expectations and encourages adherence to the exercise program.

Choice A rationale: Encouraging daily exercise to eliminate bedtime wakefulness may be counterproductive, as overexertion can lead to increased arousal and impaired sleep quality. Additionally, daily exercise might be too rigorous or impractical for some individuals, potentially leading to burnout or injury. It is essential to tailor exercise recommendations to the client's fitness level, preferences, and goals.

Choice C rationale: While obtaining information about the client's exercise schedule is helpful in assessing their adherence and progress, it does not directly address the issue of sleep onset difficulties. The nurse should focus on providing education and guidance on the expected timeline for observing sleep improvements with exercise.

Choice D rationale: Weight loss is a potential outcome of increased physical activity but is not directly correlated with improvements in sleep onset latency. Focusing solely on weight loss may overlook other essential aspects of sleep hygiene and healthy lifestyle changes. The nurse should emphasize the broader benefits of exercise and provide a comprehensive approach to addressing the client's concerns.