DIT 121 Exam 1 Questions with Complete Solutions (Latest 2025) Name the six classes of nutrients and their major functions? - Correct Answers ✅carbohydrates lipids proteins vitamins minerals water What is the major functions of Carbohydrates? - Correct Answers ✅provides energy What is the major functions of Lipids (fats)? - Correct Answers ✅highest caloric value of energy What is the major functions of Proteins? - Correct Answers ✅helps to restore muscle fibers and regulate digestion and energy metabolism What is the major functions of Vitamins? - Correct Answers ✅facilitate the release of energy from carbs, fat, and protein What is the major functions of Minerals? - Correct Answers ✅found in bones and teeth and are also found in the fluids of the body 1 / 3
DIT 121 Exam 1 Questions with Complete Solutions (Latest 2025) What is the major functions of Water? - Correct Answers ✅carries several minerals and supplies medium for transporting vital materials to cells and carrying waste away from them What is an essential nutrient (indispensable nutrients)? - Correct Answers ✅a nutrient a person must obtain from food because the body cannot make it for itself in sufficient quantity Explain why alcohol is not considered a nutrient - Correct Answers ✅it does not support life, it interferes with the growth, maintenance, and repair of the body Given a specific food, calculate the energy contribution (kcalories) from protein, fat and carbohydrate - Correct Answers ✅1 gram carbohydrate= 4 kcal
- gram protein= 4 kcal
- gram fat= 9 kcal
What credentials identify a "nutrition expert" - Correct Answers ✅undergraduate degree 60 credit hours clinical internship pass a national examination administered by the academy of nutrition and Dietetics maintain up to date knowledge and registration 2 / 3
DIT 121 Exam 1 Questions with Complete Solutions (Latest 2025) What is DV? - Correct Answers ✅daily Value What is DRI? - Correct Answers ✅dietary Reference Intake What is AI ? - Correct Answers ✅adequate Intakes What is RDA? - Correct Answers ✅recommended Dietary Allowances What is UL? - Correct Answers ✅tolerable Upper Intake Levels What does the term DRI represent? - Correct Answers ✅standards that define the amounts of energy, nutrients, other dietary components, and physical activity that best support health What does the term AI represent? - Correct Answers ✅average amount of a nutrient that a group of healthy people consumes What does the term RDA represent? - Correct Answers ✅recommended nutrient intake for everybody What does the term UL represent? - Correct Answers ✅the point at which too much nutrient intake can become toxic
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