NSC Exam 1 2025 With Correct Answers.

NSC Exam 1 2025 With Correct Answers




Leading Cause of Death in United States - correct answers1. Heart Disease
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2. Cancer
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Lifestyle - correct answersa person's way of living that includes diet, physical activity habits, use of drugs such
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as tobacco and alcohol, and other typical patterns of health-related behavior
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6 classes of nutrients - correct answers- carbohydrates
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- fats and other lipids,
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- proteins
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- vitamins
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- minerals
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- water
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Carbohydrates - correct answersSource of energy (most forms)
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,Lipids - correct answersSource of energy (fats), cellular development, physical growth and development,
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regulation of body processes, absorption of fat-soluble vitamins
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Proteins - correct answersProduction of structural and functional components; cellular development,
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growth, and maintenance; regulation of body processes; immune function; fluid balance; source of energy
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Vitamins - correct answersRegulation of body processes, maintenance of immune function, production and
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maintenance of tissues, protection against agents that can damage cellular components
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Minerals - correct answersRegulation of body processes, including fluid balance; formation of certain
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chemical messengers; structural and functional components of various substances and tissues; necessary for
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physical growth, maintenance, and development
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Water - correct answersMaintenance of fluid balance, regulation of body temperature, elimination of wastes,
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transportation of substances, participant in many chemical reactions r r r r r r r




How many kilocalories are in a gram of carbohydrates? - correct answers4 kcal
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How many kilocalories are in a gram of protein? - correct answers4 kcal
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How many kilocalories are in a gram of fat? - correct answers9 kcal
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How many kilocalories are in a gram of alcohol? - correct answers7 kcal
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Macronutrients - correct answersName for carbohydrates, fats and proteins as the body needs a relativity
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large amount of these nutrients daily. Supply energy for cells
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Micronutrients - correct answersName for vitamins and minerals as they body needs a very small amount of
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these to function properly. Do not Supply energy for cells
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Essential nutrients - correct answersNutrients that must be supplied through food. About 50 of them
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, Examples of some Essential Nutrients - correct answersWater r r r r r r r




Vitamin A Vitamin C r r r r




B vitamins Vitamin D
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Glucose

Minerals like calcium, sodium, chloride and Zinc r r r r r r




Fats that contain linoleic and alpha-linolenic acids
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Some proteins (amino acids) r r r




Chpt 1 mod 1.3 pg 10r r r r r




Nonnutrients - correct answersSubstances that are not nutrients but may have some healthful benefits
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Examples of nonnutrients - correct answersAlcohol, phytochemicals r r r r r r




phytochemicals - correct answersCompounds made in plants that are nonnutrients r r r r r r r r r




examples of phytochemicals - correct answers- Alpha-carotene, beta-carotene, lutein, lycopene
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- Quercetin
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- Anthocyanins - Resveratrol
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- Isoflavonoids
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- Sulfur compounds
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- Caffeine
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- Saponins
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- Capsaicin
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Dietary Supplement - correct answersa 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
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intake
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Why are antioxidants important? - correct answersAn antioxidant protects cells and their components from
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being damaged or destroyed by chemically unstable factors
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