The client is overweight and following a low-carbohydrate/high-fat diet. What would be an appropriate breakfast on this diet?

A) 1/2 cup of orange juice, 1 small banana, 1/4 cup of scrambled egg beaters, 2 slices of whole wheat toast, and 2 teaspoons of butter

B) 1/2 cup of orange juice, 2 scrambled eggs cooked in 2 teaspoons of butter, and 1 oz of pork sausage

C) 1/2 cup of orange juice, 1 oz of shredded wheat, 2 slices of whole wheat toast, 1 cup of skim milk, and 2 teaspoons of butter

D) 2/3 cup of plain yogurt with 3/4 cup of blueberries, and 3 graham crackers

Option B with scrambled eggs, butter, and pork sausage is the most suitable for a client on a low-carbohydrate/high-fat diet. It's important to maintain a balance to ensure intake of necessary nutrients.

For a client who is overweight and following a low-carbohydrate/high-fat diet, an appropriate breakfast would contain foods low in carbs and higher in fat and protein. From the provided options, Option B) 1/2 cup of orange juice, 2 scrambled eggs cooked in 2 teaspoons of butter, and 1 oz of pork sausage would be the most suitable.

This is because it consists mostly of protein and fat, with a minimal amount of carbohydrates from the orange juice. It is important to note that long-term health impacts of this type of diet are unknown and it should be balanced with adequate fruits, vegetables, and whole grains to provide necessary nutrients.