nsc 101 Prep Test Actual Questions With 100% Correct Guaranteed Answers.

nutrients - correct answer life sustaining chemicals in food that are needed for proper growth, development and function of the body nutrition - correct answer study of nutrients and how the body uses nutrients diet - correct answer usual pattern of food choices Top five leading causes of death - correct answer -heart disease -cancer -chronic lower respiratory infections -stroke -accidents risk factors - correct answer characteristics which increase disease risk unmodifiable risk factors - correct answer family history, age, ethnicity modifiable risk factors - correct answer lifestyle (diet, physical activity, drug use) What are the 6 classes of nutrients - correct answer -carbohydrates -fats (lipids) -proteins -vitamins -minerals -water organic nutrients - correct answer include carbon in the chemical structure carbohydrates - correct answer source of energy (most forms) lipids - correct answer -source of energy -cellular development -physical growth and development -regulation of body processes -absorption of fat-soluble vitamins proteins - correct answer -production of structural and functional components -cellular development, growth, and maintenance -regulation of body processes -immune function -fluid balance -source of energy vitamins - correct answer -regulation of body process -maintenance of immune function -production and maintenance of tissues -protection against agents that can damage cellular components minerals - correct answer -regulation of body processes -including fluid balance; formation of certain chemical messengers -structural and functional components of various substances and tissues -necessary for physical growth, maintenance, and development water - correct answer -maintenance of fluid balance -regulation of body temperature -elimination of wastes -transportation of substances -participant in many chemical reactions -needed in large amounts -no energy cell - correct answer smallest functional unit in a living organism metabolism - correct answer the total of all chemical reactions that occur in a living cell -energy generation -protein production -waste elimination energy suppliers - correct answer -fats -carbohydrates -protein -alcohol calories/kilocalories (kcal) - correct answer unit that describes energy content in food macronutrients - correct answer -needed in large amounts -carbohydrates -fats -proteins -supplies energy/calories for cells -g - per serving micronutrients - correct answer -needed in small amounts -vitamins -minerals -supplies no energy/calories -mg/µ - per serving food energy - correct answer -carbs: 4 kcal/g -protein: 4 kcal/g -fat: 9 kcal/g -alcohol: 7 kcal/g essential nutrients - correct answer -nutrients the body needs but can not produce by itself -about 50 nutrients deficiency disease - correct answer -state of health characterized by certain abnormal physiological changes that result in S/S of disease -result from missing essential nutrient non nutrients - correct answer substances that are not nutrients yet may have healthful benefits phytochemicals - correct answer -made by plants -antioxidants features- -nota all are beneficial antioxidants - correct answer protects cells and cell components from damage from evironmental and/or internal factors examples of dietary substances - correct answer -vitamins -minerals -herb or plants product -amino acid -dietary substance that supplement the diet by increasing total intake malnutrition - correct answer state of health that occurs when the body is improperly nourished over-nutrtion - correct answer -too much food -more common in the US than under-nutrition -more common in countries with financial means, ample food supply and little exercise reasons for mal-nutrition - correct answer -lack knowledge about food/nutrition and health -low-income/limited resource -eating disorders -substance abuse -medical issues bad foods - correct answer -not junk foods -toxic -contaminated empty-calorie foods - correct answer -provide a large amount of calories from unhealthy fats, added sugar, and/or alcohol -poor source of vitamins and minerals -can displace nutrient-dense foods from your diet -sources: candies, pastries, sugar-sweetened beverages nutrient-dense foods - correct answer -high ratio of vitamins and minerals to calories -lower ratio of unhealthy fat, sugar and/or alcohol -leafy greens, fat-free milk, orange juice, lean meats, broccoli, wholegrain cereals energy density - correct answer -ener