Final answer:
The general guideline that would be important to teach a patient newly diagnosed with type 2 diabetes is that most calories should be derived from complex carbohydrates. This means that a majority of the patient's caloric intake should come from foods like whole grains, legumes, fruits, and vegetables. It is also important for the patient to limit their intake of saturated fats and added sugars.
Step-by-step explanation:
The general guideline that would be important to teach a patient newly diagnosed with type 2 diabetes in a nutrition class is that most calories should be derived from complex carbohydrates. This means that a majority of the patient's caloric intake should come from foods like whole grains, legumes, fruits, and vegetables. Complex carbohydrates provide essential vitamins, minerals, and fiber that is important for overall health. It is also important for the patient to limit their intake of saturated fats and added sugars.