A nurse is reviewing the laboratory values of a client who has been following a Mediterranean diet and exercising to manage cardiovascular disease. Which of the following laboratory findings should the nurse identify as a positive outcome of the client's interventions?

Choice A reason: Consuming high-calorie foods early in the day is not a good strategy for weight loss, as it can lead to overeating and increased fat storage. The nurse should advise the client to eat a balanced breakfast that includes protein, fiber, and healthy fats, which can help curb appetite and boost metabolism.

Choice B reason: Limiting carbohydrate intake to 30 grams per day is too restrictive and may cause nutritional deficiencies, ketosis, and adverse effects on mood and cognition. The nurse should recommend a moderate carbohydrate intake of 45 to 65 percent of total calories, with an emphasis on complex carbohydrates from whole grains, fruits, vegetables, and legumes.

Choice C reason: Consuming 500 fewer calories per day can result in a weight loss of about 1 pound per week, which is a safe and realistic goal for a client who has a BMI of 35. The nurse should help the client identify sources of excess calories in their diet and suggest ways to reduce them, such as choosing low-calorie beverages, using smaller plates, and avoiding distractions while eating.

Choice D reason: Following a liquid meal plan for 4 weeks is not a sustainable or healthy way to lose weight, as it can cause muscle loss, electrolyte imbalance, and rebound weight gain. The nurse should encourage the client to eat regular meals that include a variety of foods from all food groups, with appropriate portion sizes and nutrient density.

Choice A reason: Measuring the client's gastric residual every 12 hr is not frequent enough to monitor the feeding tolerance and prevent aspiration. The nurse should measure the gastric residual before each intermittent feeding or every 4 to 6 hr during continuous feeding¹².

Choice B reason: Flushing the client's tube with 30 mL of water every 4 hr is an appropriate action to maintain the tube patency, prevent clogging, and hydrate the client. The nurse should flush the tube before and after each medication administration, feeding, or gastric residual check¹³.

Choice C reason: Keeping the client's head elevated at 15° during feedings is not sufficient to prevent reflux and aspiration. The nurse should elevate the head of the bed at least 30° to 45° during feedings and for at least 30 min to 1 hr after feedings¹⁴.

Choice D reason: Obtaining the client's electrolyte levels every 4 hr is not necessary unless the client has signs of fluid or electrolyte imbalance, such as edema, dehydration, or abnormal vital signs. The nurse should monitor the client's weight, intake and output, and laboratory values as ordered by the provider¹⁵.