A patient is having an office visit with their physician. The physician notes the patient's fasting blood sugar is 106mg/dL, which is considered prediabetic. The nurse who is assisting the physician knows they must be prepared to teach the patient which of the following? (Select all that apply)

A. For fluid balance: Lipids do not play a direct role in maintaining fluid balance; electrolytes and plasma proteins like albumin regulate this function.

B. As a component of the myelin sheath: Lipids, particularly phospholipids and cholesterol, are essential for forming the myelin sheath, which insulates nerve fibers and facilitates efficient nerve conduction.

C. Component of hemoglobin: Hemoglobin is composed of iron and protein (globin chains), not lipids.

D. As a component of the cell membrane: Cell membranes are composed of a lipid bilayer (phospholipids and cholesterol), which helps maintain structural integrity and fluidity.

E. As an energy source: Lipids provide a concentrated energy source, yielding 9 kcal per gram, which is more than carbohydrates (4 kcal/g).

A. Your patient is trying to gain weight: A controlled carbohydrate diet does not necessarily mean weight gain; it is usually meant to regulate blood glucose levels.

B. Your patient has cancer: While nutrition is important for cancer patients, a carbohydrate-controlled diet is not specifically recommended for cancer management.

C. Your patient has diabetes mellitus: A carbohydrate-controlled diet is commonly prescribed for individuals with diabetes to regulate blood sugar levels.

D. Your patient has dementia: A carbohydrate-controlled diet is not directly related to dementia care, though proper nutrition is essential for cognitive health.