Final answer:
A nurse should recommend that a client with a BMI of 35 decrease portion size and fat intake to lose weight safely, aligning with the 2015 Dietary Guidelines for Americans, which emphasize a balanced and nutrient-rich diet.
Step-by-step explanation:
To encourage a client with a body mass index (BMI) of 35 to safely lose weight, the nurse should recommend dietary changes consistent with the 2015 Dietary Guidelines for Americans. This involves decreasing portion size and fat intake (option A). It is essential to foster a healthy eating pattern that includes a variety of fruits, vegetables, whole grains, lean proteins, and dairy, while limiting saturated fats, trans fats, added sugars, and sodium. These dietary adjustments help to create an energy balance that facilitates weight loss while ensuring proper nutrition.
Evidence shows that for effective weight loss, monitoring food portions and modifying the energy density of the diet are crucial factors. This entails reducing high-calorie foods and increasing the intake of high-fiber foods, which contributes to a feeling of fullness and assists with weight management.