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NSC EXAM 1 QUESTIONS
WITH CORRECT ANSWERS
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ALL VERIFIED BY AN EXPERT
A+ GRADED (LATEST UPDATE)
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,Leading Cause of Death in the United States - ANS 1. Heart Disease
2. Cancer
Lifestyle - ANS a person's way of living that includes diet, physical activity habits, use of drugs
such as tobacco and alcohol, and other typical patterns of health-related behavior
6 classes of nutrients - ANS - carbohydrates
- fats and other lipids,
- proteins
- vitamins
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- minerals
- water
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Carbohydrates - ANS Source of energy (most forms)
Lipids - ANS Source of energy (fats), cellular development, physical growth and development,
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regulation of body processes, absorption of fat-soluble vitamins
Proteins - ANS Production of structural and functional components; cellular development,
growth, and maintenance; regulation of body processes; immune function; fluid balance; source
of energy
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Vitamins - ANS Regulation of body processes, maintenance of immune function, production
and maintenance of tissues, protection against agents that can damage cellular components
Minerals - ANS Regulation of body processes, including fluid balance; formation of certain
chemical messengers; structural and functional components of various substances and tissues;
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necessary for physical growth, maintenance, and development
Water - ANS Maintenance of fluid balance, regulation of body temperature, elimination of
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wastes, transportation of substances, participant in many chemical reactions
How many kilocalories are in a gram of carbohydrates? - ANS 4 kcal
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How many kilocalories are in a gram of protein? - ANS 4 kcal
How many kilocalories are in a gram of fat? - ANS 9 kcal
How many kilocalories are in a gram of alcohol? - ANS 7 kcal
Macronutrients - ANS Name for carbohydrates, fats and proteins as the body needs a relativity
large amount of these nutrients daily. Supply energy for cells
, Micronutrients - ANS Name for vitamins and minerals as they body needs a very small amount
of these to function properly. Do not Supply energy for cells
Essential nutrients - ANS Nutrients that must be supplied through food. About 50 of them
Examples of some Essential Nutrients - ANS Water
Vitamin A Vitamin C
B vitamins Vitamin D
Glucose
Minerals like calcium, sodium, chloride and Zinc
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Fats that contain linoleic and alpha-linolenic acids
Some proteins (amino acids)
Chpt 1 mod 1.3 pg 10
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Nonnutrients - ANS Substances that are not nutrients but may have some healthful benefits
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Examples of nonnutrients - ANS Alcohol, phytochemicals
phytochemicals - ANS Compounds made in plants that are nonnutrients
examples of phytochemicals - ANS - Alpha-carotene, beta-carotene, lutein, lycopene
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- Quercetin
- Anthocyanins - Resveratrol
- Isoflavonoids
- Sulfur compounds
- Caffeine
- Saponins
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- Capsaicin
Dietary Supplement - ANS a product (excluding tobacco) that contains a vitamin, a mineral, an
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herb or other plant product, an amino acid, or a dietary substance that supplements the diet by
increasing total intake
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Why are antioxidants important? - ANS An antioxidant protects cells and their components
from being damaged or destroyed by chemically unstable factors
Empty calories - ANS Calories from unhealthy types of fatm added sugar and/or alcohol. Not a
good source of vitamins and minerals. Foods like candies, pastries, snack chips,
sugar-sweetened drinks, and some alcoholic beverages
Nutrient-dense - ANS Describes foods or beverages that contain more beneficial nutrients in
relation to total calories. Foods like broccoli, leafy greens, fat-free milk, orange juice , lean
meats, and whole-grain cereals