Nutrition Exam 1 Study Guide.docx

Nutrition Exam 1 Study Guide.docx - Study Guide for...

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Study Guide for Nutrition Exam 1 1. What is the definition of nutrient. Examples of Macronutrients? Micronutrients? Which can be used for energy? What are common food sources for each? - Nutrients: are chemical compounds in foods to provide fuel for energy, growth, and maintenance, and to regulate body processes Macronutrients: carbs, proteins, fats (all organic- contain C) o Can be used for energy o Carbs: supply glucose o Fats: fuel source, cushions body, insulates o Proteins: growth & maintenance of muscle, tissues, organs, making hormones, transporting nutrients Micronutrients: minerals, vitamins, H 2 O o Assist enzymes in speeding up reactions o Vitamins: organic compounds obtained from food o Minerals: inorganic substance o H 2 O: fluid medium, maintaining body temp, transporting nutrients & oxygen to cells and removing waste products, lubricant for joints, eyes, protection 2. What is an essential nutrient? All 6 classes of nutrients are essential in the diet to maintain bodily function. (macronutrients, micronutrients, H 2 O). A well-balanced diet will also include fiber and phytochemicals to fight disease (whole grains, fruits, vegetables). 3. What are phytochemicals (plants) and zoochemicals (animals) and why are they important? Help prevent chronic disease, type 2 diabetes, heart disease, heart disease, stroke 4. What is a nutrient dense food? Amount of nutrients per calorie in a food 5. What is the difference between nutrient dense and energy dense ? Nutrient density- provide more nutrients per calorie, little solid fats and added sugar Energy density- number or calories per size (measured in grams), refer to foods that are high in energy but low in weight or volume Grapes vs. raisins - Raisins more energy dense 6. Be able to discuss possible personal and cultural reasons for making food choices. Convenience, cost, taste (#1), religious, emotional, cultural (what they have grown up eating), social reasons, trends, time, habits 7. What is necessary for a well-balanced diet (HINT, look at slide 15 for chapter 1 PowerPoint)?
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