1 Nusc 1165 Final Exam with Complete Solution leading causes of death attributed to nutrition - ANSWER heart disease, cancer, stroke energy yielding nutrients - ANSWER broken down to generate energy - carbs, lipids, proteins macronutrients - ANSWER needed in large amounts - carbs, lipid, proteins, water micronutrients - ANSWER needed in small amounts - vitamins, minerals inorganic - ANSWER does not contain carbon organic - ANSWER contains carbon amount of energy provided by carbs - ANSWER 4 kcals amount of energy provided by lipids - ANSWER 9 kcal amount of energy provided by protein - ANSWER 4 kcal amount of energy provided by alcohol - ANSWER 7 kcal examples of nutrient -dense foods - ANSWER low fat milk, fruit/nut trail mix, fresh fruit, baked chips, oatmeal raisin cookies epidemiological study - ANSWER observing relationships between diet, health, and disease patterns in dif populations 2 balance study - ANSWER compares the total amount of a nutrient that enters the body with the total amount that leaves the body depletion -repletion study - ANSWER A study that feeds subjects a diet devoid of a nutrient until signs of deficiency appear, and then adds the nutrient back to the diet to a level at which symptoms disappear and health is restored double blind study - ANSWER An experiment in which neither the participant nor the researcher knows whether the participant has received the treatment or the placebo single blind study - ANSWER study in which the subjects do not know if they are in the experimental or the control group variety - ANSWER selecting nutrient dense foods from each food group and within each balance - ANSWER one food lacking in a nutrient, balance with another food that doesnt moderation - ANSWER all types of food are ok - not consuming too much energy, fat, sugar, alc - achieves healthy weight and lowers risk of chronic disease Steps of the Scientific Method - ANSWER observation, hypothesis, experiment, conclusion theory vs hypothesis - ANSWER theory: explanation based on scientific study and reasoning hypothesis: proposed explanation sources of reliable nutrition info - ANSWER Government recommendations, universities, health professionals, nonprofit organizations based on science to provide information to improve health 3 recommended dietary allowances - ANSWER intakes that meet needs of 97 -98% of healthy individs in each group - determined using EAR value and taking into acct individ variability - intakes lower than this can indicate deficiency Estimated Average Requirement (EAR) - ANSWER amount of a nutrient that meets the needs of 50% of healthy people in a life stage/gender group Adequate Intake (AI) - ANSWER a recommended average daily nutrient intake level based on observed or experimentally determined estimates of nutrient intake by a group of healthy people Upper Levels (UL) - ANSWER max daily intakes unlikely to pose a risk to almost all individs in specific group Acceptable macronutrient distribution range (AMDR) - ANSWER intakes ranges for energy yielding nutrients - expressed as % of total energy intake Estimated energy requirement (EER) - ANSWER average energy intakes predicted to maintain body weight by calculating amount of kcals - takes into acct gender, weight, height, level of physical activity dietary guidlines - ANSWER nutrition/ lifestyle recommendations published by US department of health and human services - only recommendation w major emphasis on food safety exchange lists - ANSWER Based on food groups to determine overall energy and macronutrient intake Healthy People Initiative - ANSWER National health promotion and disease prevention objectives for the U.S.
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