Nutrition 121 Exam 1 Study Guide

What are the six major classes of nutrients? - answer-carbohydrates, proteins, lipids, vitamins, minerals, water Which classes of nutrients are essential? - answer-ALL Which classes of nutrients provide kcals (energy)? - answer-carbohydrates, protein, lipids What are the primary function of macronutrients? - answer-provide calories/energy (in grams) What is the concept of essentiality in nutrition? - answer-poor health occurs when an essential substance is left out of the diet Kcal/gram for fat, protein, CHO - answer-9 kcal/g fat, 4 kcal/g protein, 4 kcal/g CHO Concept of hunger - answer-hunger is the internal physiological drive to find food and eat Concept of appetite - answer-appetite is the external psychological drive to find food and eat Concept of satiety - answer-satiety is no longer having the desire to eat, or a feeling of satisfaction Be able to convert pounds to kilograms and vise versa - answer-pounds to kilograms: divide by 2.2 kilograms to pounds: multiply by 2.2 What does a kcal measure? - answer-amount of heat required to raise the temperature of 1 kg of water to 1*C The overall four goals of Healthy People 2020 (paraphrased) - answer-1. Increase quality and years of life 2. Eliminate health disparities 3. Create environments for healthy living 4. Help people of all ages to live healthy lives Be able to recognize common phytochemicals and what health promoting properties are attributed to phytochemicals in general. - answer-Phytochemicals reduce the risk of c