NSC EXAM 1 QUESTIONS AND ANSWERS

Nutrients - Answer-are essential /required carbrohydrates, fats , protein , minerals, water Nutrients provide energy and building blocks - Answer-true marconutrients - Answer-contain calories / carbohydrates, fats,proteins micronutrients - Answer-contains no calories/ vitamins and minerals Taking a vitamin B complex supplement provides energy (true or false) - Answer-false Energy Suppliers - Answer-provide calories / fats, carbohydrates, protein, alcohol We need energy to keep cells alive (true or false) - Answer-TRUE Food energy metric measurement - Answer-carbohydrates-- 4kcal/g Protein-- 4kcal/g Fat-- 9kcal/g Alcohol -- 7kcal/g Energy Balance - Answer-need energy and building blocks in diet for cells to use to keep us alive and work at a full potential Quality of Energy Intake - Answer-combining the right balance of energy and nutrients (physical and emotional) Malnutrition - Answer-dietry inadequacylow income risk eating disorders substance abuse medical issues Non Nutrients - Answer-*No curing -alcohol & food additives *Curing -phytochemicals & Antioxidants Empty Calorie Foods - Answer-high calories from unhealthy fats, added sugar and/or alcohol poor source of vitamins and minerals Energy Dense Foods - Answer-provide lots of calories for small mass high fat foods (9kcal per gram) Nutrient Dense Foods - Answer-high ratio of vitamins and minerals to calories leafy greens fat free milk orange juice lean meals brocoli wholegrain cereals Nutrient density vs energy density - Answer-ex: milk and soda / donut and strawberries Experiment - Answer--test a scientific question -share results (publish) -others try to replicate experiement -consistent replication leads to theory Observational - Answer-collect info/data human research:ask questions about health and enviornment -lifestyle and dietExperimental - Answer-separate participants into groups -one group gets no treatment ( control) -one group is given treatment (intervention) Double Blind Study - Answer--treatment group -control group -randomly assigned Placebo - Answer-Perceived treatment Research that first identified that following a traditional Mediterian diet/lifestyle reduces risk of cardiovascular disease used_____ research design - Answer-Observational