DIT 121- Exam 1 Review Questions with Complete Solutions (Latest 2025) Name the six classes of nutrients - Correct Answers ✅The six essential nutrients include carbohydrates, protein, fat, vitamins, minerals and water.... and the major functions of ... carbohydrates - Correct Answers ✅provide energy, as they are the body's main source of fuel, needed for physical activity, brain function and operation of the organs. All the cells and tissues in your body need carbs, and they are also important for intestinal health and waste elimination.major functions of proteins - Correct Answers ✅Repair and Maintenance. Protein is termed the building block of the body....Energy. Protein is a major source of energy. ...Hormones. Protein is involved in the creation of some hormones. ...Enzymes. ...Transportation and Storage of Molecules. ...Antibodies.major functions of fats - Correct Answers ✅provides energy, absorbs certain nutrients and maintains your core body temperature. 1 / 3
DIT 121- Exam 1 Review Questions with Complete Solutions (Latest 2025) major functions of vitamins and minerals - Correct Answers ✅essential nutrients that the body needs to survive and carry out daily functions and processes.major functions of water - Correct Answers ✅Your body uses water in all its cells, organs, and tissues to help regulate its temperature and maintain other bodily functions. Because your body loses water through breathing, sweating, and digestion, it's important to rehydrate by drinking fluids and eating foods that contain water.major functions of water {2} - Correct Answers ✅Cell life.
Water is essential for cells to function properly: it enters into
the composition of the cells.Chemical and metabolic reactions. ...Transport of nutrients and removal of waste. ...Body temperature regulation.nutrients - Correct Answers ✅substances that provide energy, structural materials, and regulating agents to support the growth, maintenance, and repair of the body's tissues macronutrients - Correct Answers ✅carbohydrate, lipids/fat & protein. Are energy yielding. required in large amounts daily - grams (p 8) 2 / 3
DIT 121- Exam 1 Review Questions with Complete Solutions (Latest 2025) micronutrients - Correct Answers ✅vitamins and minerals.required in small amounts - mcg (p 8) organic nutrients - meaning they contain carbon - Correct Answers ✅carbohydrate, lipids/fat & protein, vitamins (p 8) inorganic nutrients - meaning they do not contain carbon - Correct Answers ✅minerals and water (p 8) What is an essential nutrient? - Correct Answers ✅a nutrient required for normal body functioning that can not be synthesized by the body, must be obtained from foods.Categories of essential nutrient include vitamins, dietary minerals, essential fatty acids and essential amino acids.Explain why alcohol is not considered a nutrient. - Correct Answers ✅provides energy but no beneficial nutrients, alcohol provides 7 kcal/g Given a specific food, calculate the energy contribution (kcalories) from protein, - Correct Answers ✅4 kcal/g lipids/fat and - Correct Answers ✅9 kcal/g carbohydrate - Correct Answers ✅4 kcal/g
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