Chapter 49 - Nutrition and special diets. This chapter gives you an understanding of how a well-planned diet can lead to optimal health and well-being for your patients. After completing this chapter, students will be able to: Describe how the body uses food, explain the role of calories in the diet, identify nutrients and their role in health, recall the dietary guidelines for Americans,. | 49 Nutrition and Special Diets 49- Learning Outcomes Describe how the body uses food. Explain the role of calories in the diet. Identify nutrients and their role in health. Recall the Dietary Guidelines for Americans. 49- Learning Outcomes (cont.) Explain how the Food Guide Pyramid can be used to plan a nutritious, well-balanced diet and healthy lifestyle. Describe the test used to assess body fat. Explain reasons why a diet may be modified. Identify types of patients who require special diets and the modifications required for each. 49- Learning Outcomes (cont.) Describe the warning signs, symptoms, and treatment for eating disorders. Educate patients about nutritional requirements. Document patient education about nutrition. 49- Introduction Nutrition How the body takes in and utilizes food and nutrients Five-part process Intake Digestion Absorption Metabolism Elimination Medical assistant – . | 49 Nutrition and Special Diets 49- Learning Outcomes Describe how the body uses food. Explain the role of calories in the diet. Identify nutrients and their role in health. Recall the Dietary Guidelines for Americans. 49- Learning Outcomes (cont.) Explain how the Food Guide Pyramid can be used to plan a nutritious, well-balanced diet and healthy lifestyle. Describe the test used to assess body fat. Explain reasons why a diet may be modified. Identify types of patients who require special diets and the modifications required for each. 49- Learning Outcomes (cont.) Describe the warning signs, symptoms, and treatment for eating disorders. Educate patients about nutritional requirements. Document patient education about nutrition. 49- Introduction Nutrition How the body takes in and utilizes food and nutrients Five-part process Intake Digestion Absorption Metabolism Elimination Medical assistant – understand relationship between nutrition and health 49- Daily Energy Requirements The body requires nutrients To provide energy To build, repair, and maintain body tissues To regulate body processes 49- Metabolism The sum of all cellular processes that build, maintain and supply energy to living tissue Phases Anabolism – nutrients are changed into more complex substances that are used to build body tissues Catabolism – complex substances are broken down into simpler substances and converted to energy Metabolism affected by age, weight, activity, state of health, and other factors 49- Calories Kilocalorie (calorie) Measurement of energy produced by food Amount of energy needed to raise the temperature of 1 kg of water by 1°C. Used to measure the energy expended during activities and metabolic processes Excess calories stored as fat Count calories of food eaten and estimate expenditure for activities 49- Apply Your Knowledge What is the role of diet in .