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1. Nutrition Is the study of food: how it affects the human body and influences health.
2. Metabolism Is the process by which the body converts food into energy. Good nutrition is
essential to wellness, and poor nutrition contributes to disease
3. Concepts related Energy balance, macronutrients, micronutrients, and factors that influence nutri-
to energy tional status.
4. Standards Are a reference for nutrient intake thought to meet the nutritional needs of most
healthy population groups.
5. True or False False
"Standards" of They are NOT intended to indicate individual requirements or therapeutic needs
nutritional infor-
mation are in-
tended to in-
dicate individ-
ual requirements
or therapeutic
needs.
6. Food guides Are more practical tools that you can use to educate patients and families. They
specify the number of daily servings of foods needed so nonprofessionals can
use them in making healthful meal choices.
7. Micronutrients Carbohydrates, proteins, fats and fiber can lower the risk of chronic disease.
Manufacturing, repairing, and maintaining cells do not provide energy.
8. Estimated Aver- The amount of a nutrient that is estimated to meet the requirement of half of all
age Requirement healthy individuals within a given age and gender group.
(EAR)
9.
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Recommended The average daily dietary intake of a nutrient that is sufficient to meet the nutri-
Dietary tional requirements of approximately 98% of healthy people.
Allowance (RDA)
10. Adequate Intake The amount of a nutrient consumed by a group of healthy people.
(AI)
11. Tolerable Upper The maximum daily intake of a nutrient that is likely to be without adverse health
Intake Level (UL) effects for almost all individuals.
12. Acceptable The percentage of protein, fat, and carbohydrate associated with reduced risk of
Macronutrient chronic disease, provided there is an intake of other essential nutrients
Distribution
Range (AMDR)
13. What is the % of Below 20% to 35% of total calories
Total fat intake
recommended?
14. What is the % Less than 10% of total calories
of Saturated fats
recommended?
15. What is the % of Less than 1% of calories
Trans-fats recom-
mended?
16. What is the % of Less than 300 mg
Cholesterol rec-
ommended?
17. Macronutrients Supply the body with energy (kilocalroies)
18.
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What are the two Anabolism and catabolism, occur continually and are adjusted according to the
types of metabol- needs of the body.
ic reactions?
19. Anabolism Involves the formation of larger molecules from smaller ones. For example, if
protein is needed for tissue repair, amino acids are recombined to form proteins.
This process requires energy.
20. Catabolism Involves the breakdown of larger molecules into smaller components. This
process releases energy.
21. Carbohydrates Are the primary energy source for the body. Convert to sugar to provide energy
(CHOs) to tissues.
22. Simple carbohy- Commonly called sugars, they are named according to the number of sugar (or
drates saccharide) units making up their chemical structure.
23. Monosaccha- Consist of a single unit.
rides (simple
sugars/carbs)
24. Disaccharides Are molecules made up of two saccharides.
(simple
sugar/carb)
25. Complex carbo- Consist of long chains of saccharides, called polysaccharides.
hydrates
26. Dietary fiber A polysaccharide, is the indigestible "fibrous skeleton" of plant foods.
(complex carb)
27. True or False True
Humans do not
have the en-
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zymes to digest
fiber; thus, it pro-
vides no usable
glucose.
28. What is the func- 1) Supply energy for muscle and organ function
tion of Carbohy- 2) Spare protein
drates (CHO)? 3) Play a role in nutrition and metabolism (Insulin)
29. Function of CHO: Carbohydrates are more easily and quickly digested than proteins and lipids.
Supply energy They fuel strenuous, short-term skeleton muscle activity and provide nearly all the
for muscle and energy for the brain. Humans store glucose in liver and skeletal muscle tissue as
organ function. glycogen.
30. Function of CHO: If glycogen stores are low (e.g., in an undernourished person), physical activity
Spare protein causes the body to catabolize stores of protein (gluconeogenesis) and lipids (fats)
to use for energy. However, when proteins are used for energy, they are not
available for their primary functions of tissue growth, maintenance, and repair.
Fats are then converted directly into an alternative fuel called ketones.
31. True or False True
When proteins
are used for en-
ergy, they are not
available for their
primary func-
tions of tissue
growth, mainte-
nance, and re-
pair.
32. Function of CHO: Enhance insulin secretion. Insulin is a pancreatic hormone that promotes the
Play a role in nu- movement of glucose into the cells for use.