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1. Nutrients life-sustaining substances found in food
- necessary for growth, maintenance, and repair of the
body's cells
2. Diet a person's usual pattern of food choices
3. Americans tend to pur- red meats, candies, cheese, sugary drinks, and refined
chase more than recommended grain products (processed foods)
amounts of...
4. What are poor dietary practices obesity and type 2 diabetes
associated with?
5. What are the 3 classes of carbohydrates, lipids (fats), and proteins
macronutrients? - body needs in large amounts
6. What are the 2 classes of mi- vitamins and minerals
cronutrients? - body needs in small amounts
7. __ % to __ % of total weight is 50; 70
water
8. What are the main things that energy, growth & development, and regulation of processes
the body uses nutrients for?
9. Metabolism all chemical processes that occur in living cells
10. Major functions of carbohy- - major source of energy (most forms)
drates - maintain normal blood glucose levels
- eliminate solid waste from GI tract (fiber)
11. Major functions of lipids - major source of energy (fat)
- cellular development, physical growth & development
, Nutrition Exam 1 (Ch. 1-4 & 8)
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- regulates body processes (ex: hormones)
- absorption of fat-soluble vitamins
12. Major functions of proteins - minor source of energy
- produce structural & functional components
> cell membranes; enzymes
- cellular development, growth and maintenance
- transport substances within the blood
13. Major functions of vitamins - regulate body processes
- immune function
- produce and maintain cells
- protect against agents that can damage cellular compo-
nents
14. Major functions of minerals - regulate body processes
> fluid balance and energy metabolism
- form certain chemical messengers
- form structural & functional components of various sub-
stances and tissues
- cellular development, growth, and maintenance
15. Major functions of water - maintain fluid balance
- regulate body temp
- eliminate wastes
- transport substances
- participate in many chemical reactions
16. Elements substances that cannot be separated into simpler sub-
stances by ordinary or physical means
17. Elements that make carbohy- carbon, hydrogen, oxygen
drates