ATI Nutrition Proctored Exam Assessment Questions and Answers (Verified Answers)

ATI Nutrition Proctored Exam Assessment Questions and Answers (Verified Answers) provide energy what is the main function of carbohydrates in the body? 45-65% of total calories what percentage of daily calories should consist of carbohydrates? -monosaccharide: simple carbs (ex: glucose, fructose, galactose) -disaccharide: simple carbs (ex: sucrose, lactose, maltose) -polysaccharide: complex carbs (ex: starch, fiber, glycogen) what are the 3 types of carbohydrates? glycogen stored carbohydrate energy source found in the liver and muscles; vital source of backup energy carbs = 4 cal/g of energy digestible carbohydrates provide how many cal/g of energy? fiber a form of complex carbohydrates from plants that humans cannot digest; ex: pectin, gum, cellulose proper bowel elimination --> stimulates peristalsis what bodily function is fiber important for? -↓ intestinal cancer -↓ cholesterol levels what is a benefit of fiber regarding cancer and cholesterol? -males: 38 g/day -females: 25 g/day for adult females and males, what is the recommended daily amount of fiber? fiber = 1.5-2.5 cal/g of energy fiber provides how many cal/g of energy? in the colon where is fiber metabolized? complete proteins type of protein that contain all 9 essential amino acids; from animal sources and soy incomplete proteins type of protein that contains an insufficient quantity of amino acids, generally from plant sources -tissue building/maintenance -backup energy -metabolic processes -support immune system -fluid balance what are the main functions of protein? 1. tissue growth needs 2. quality of protein 3. added needs d/t illness what 3 main factors influence the body's requirement for protein? 10-35% of calories what percentage of daily calories should consist of protein? protein = 4 cal/g of energy protein provides how many cal/g of energy? lipids (fats) an essential nutrient for the body that serves as a concentrated form of stored energy for the body -hormone production -protective padding for organs -body insulation -structural material for cell walls what are some of the essential functions of lipids for the body? 1. triglycerides 2. phospholipids 3. sterols what are the 3 types of lipids? triglycerides type of lipids that combine with glycerol to supply energy to the body, allow fat-soluble vitamin transport, and form adipose tissue that protects internal organs; consist of saturated, unsaturated, and essential fatty acids olives, canola oil, avocado, peanuts what are some sources of monounsaturated fatty acids? corn, wheat germ, soybean, safflower, sunflower, and fish what are some sources of polyunsaturated fatty acids? essential fatty acids fatty acids that the body needs, but cannot make; must be obtained from the diet; include omega- 3 and omega-6 20-35% of calories what percentage of daily calories should consist of lipids? lipids = 9 cal/g of energy lipids provide how many cal/g of energy? less than 10% of total calories what percentage of daily calories