Chapter 2 Flashcards
1
Q
United States Department of Agriculture (USDA)
A
- part of the federal government that provides most nutritional advice and education
2
Q
adequacy
A
- intake of a particular nutrient that ensures the highest level of physiological functioning
3
Q
deficiency
A
- intake of a particular nutrient that is insufficient to ensure physiological functioning
- function declines
4
Q
toxicity
A
- intake of a particular nutrient beyond what is needed to meet physiological needs, and high enough to actually impair physiological functioning
5
Q
normal districution
A
- a frequency distribution in which most subjects are clustered around a central valnue
- most biological traits are distributed in this pattern within a population
- bell-shaped curve
6
Q
Estimated average requirement (EAR)
A
- the mean of nutrient requirements in a population
7
Q
Recommended Dietary Allowance (RDA)
A
- a level of recommended intake set at two standard deviations from the EAR.
- Designed to meet the needs of 97 percent of the population
8
Q
standard deviation
A
- a statistical term relating the spread of values from the mean in a distribution
- describes how tightly grouped the distribution is
9
Q
Adequate Intake (AI)
A
- A value similar to the Recommended Dietary Allowance, but without as much scientific evidence behind it as the RDA
10
Q
Upper Limit (UL)
A
- The maximum intake of a particular nutrient that is safely tolerated.
11
Q
Pellegra
A
- a disease caused by deficiency of niacin, a B vitamin
- symptoms: Dermatitis, diarrheam dementia, and death”
12
Q
Proportionality
A
- Balance
- The relative quantities of various food groups needed to reach adequacy
13
Q
Saturated fat
A
- A type of fat with particular chemical characteristics, generally found in animal products
- High intakes have been linked to heart disease
14
Q
Cholestorol
A
- A type of lipid linked to heart disease
15
Q
Nutrient-density
A
- Relationship of nutrient content to energy content of a good
- A high nutrient density food provides a large quantity of nutrients for the number of calories
16
Q
If you are over age 50
A
Take B-12
17
Q
If you are a woman who may become pregnant
A
Eat foods high in hemeiron
18
Q
How many cups of fruit should you eat?
A
2 cups
19
Q
How many cups of vegetables should you eat?
A
- 2 1/2 cups
20
Q
Whole grain products
A
- eat 3 or more ounce of whole grain products per day
21
Q
Milk Products
A
- Eat 3 cups of non-fant or low-fat milk products per day
22
Q
How much saturated fat?
A
- Less than 10 percent of your total calories
23
Q
How much cholestorol
A
- Less than 300 milligrams per day
24
Q
How much total fat intake?
A
- 20-35 percent of calories
25
Q
How much sodium per day?
A
- 2300 milligrams per day
26
Q
How much alcohol per day?
A
- 1 drink for women
- 2 drinks for men
27
Q
What should be the greatest proportion of your diet?
A
Grains
28
Q
Food and Drug Administration (FDA)
A
- part of the federal government that ensures safety of the food supply and regulates most food labeling
29
Q
-ose
A
- a carbohydrate and usually a sugar
30
Q
Daily Value
A
- A value for daily intake usually based on the highest RDA and a 2000 or 2500 kcal diet.
- Used in food labeling to estimate the contribution of that food to the total diet
31
Q
A
