GHTH TEST 2 Flashcards


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created 8 years ago by brequintero
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CHP 9 -11
updated 8 years ago by brequintero
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College: Fourth year
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1

Hunger

A lack of basic foods needed to provide the energy and nutrients that support health

2

Nutrition

The science that investigates the relationship between physiological function and the essential elements of the foods we eat

3

Appetite

A learned desire to eat that may or may not have anything to do with feeling hungry

4

Factors Influencing Diet

Availability
Economic Status
Knowledge
Sensory Stimulation
Family/Culture
Government
Social/Psychological
Religion

5

Eating for Health

adequate, providing enough calories.
one with moderate portion sizes.
balanced, following the MyPlate Plan.
varied, achieved by eating a rainbow of foods.
nutrient dense.

6

Health Problems associated with diet:

Overweight and Obesity and associated issues
Heart Disease
Hypertension
Cancer
Osteoporosis
Liver Disease
Tooth Decay

7

Macronutrients

Fat
Protein
Carbohydrates

8

Micronutrients

Vitamins (organic)
Minerals (inorganic)

9

Essential nutrients

substances the body must get from food because it cannot manufacture them at all or fast enough to meet its needs:
You must eat 45 on a regular basis

10

Three classes of essential nutrients supply energy

Fat = 9 calories per gram
Protein = 4 calories per gram
Carbohydrates = 4 calories per gram

11

Kilocalorie

Kilocalorie = a measure of energy content in food;
the amount of heat it takes to raise the temperature of 1 liter of water 1°C;
commonly referred to as “calorie”

12

Water

50-60% of our total body weight is water
Need for water varies
General Standard Controversial
6-8 - 8 oz cups?
Functions:
Maintains acid base balance
Aids in fluid and electrolyte balance
Transports nutrients - Removes wastes
Required for many body functions

13

Fats or Lipids

Functions:
provide energy, insulation, transport vitamins, protect organs, maintain body temp., aid in cell function, improve taste, improve satiety
9 calories per gram

14

Triglycerides

- saturated or unsaturated
most common form of fat circulating in the blood
95 percent of body fat
The liver converts excess calories into triglycerides.

15

Sterols

cholesterol

16

Phospholipids

High Density & Low Density
HDL = High Density or Healthy or Helpful
LDL = Low Density or Lousy