A Dietitian Is Providing an In-Service for the Nurses on a Medical-Surgical

A dietitian is providing an in-service for the nurses on a medical-surgical unit. During the in-service, she informs the group that there are six classes of nutrients, and three supply the body with energy. What are the three sources of energy?

A) Carbohydrates, protein, and lipids
B) Vitamins, minerals, and water
C) Carbohydrates, protein, and water
D) Lipids, vitamins, and minerals