Exam 1 Flashcards
(21 cards)
Classes of nutrients
CHO - carbohydrates
Fat
Protein
Vitamins
Minerals
Water
Energy value of carbohydrates (kcals/gm)
Energy value of fat (kcals/gm)
Energy value of protein (kcal/gm)
Energy value of alcohol (kcals/gm)
Experimental vs. Epidemiological
Experimental - changing something (intervention group)
Epidemiological - not changing anything (control group)
What are the DRIs?
EAR
AI
UL
RDA
DRI: EAR - how they are set, for whom and subsets
the average, set at the 50 percentile.
what need for energy, only energy.
DRI: AI - how they are set, for whom and subsets
range
DRI: UL - how they are set, for whom and subsets
upper limit
if there is a risk of toxicity
DRI: RDA - how they are set, for whom and subsets
vitamins and minerals
one single number based on age and gender
The five diet planning principles
- Adequacy
- Balance
- Moderation
- Variety
- kcal control
Ase
enzyme
Enrichment vs. fortification
Factors that influence food choices
Leading causes of death in the U.S.
(especially related to diet)
*Heart disease
*Cancers
Chronic lung disease
*Strokes
Accidents
Alzheimer’s
*Diabetes
Pneumonia and influenza
Kidney stones
Suicide
Malnutrition
deficiencies, imbalances, and excesses of nutrients
Human genome
sequence of genes in human DNA
People who combine regular
physical activity with a nutritious
diet can expect to receive at least
some of these benefits:
- Reduced risks of cardiovascular
diseases, diabetes, certain cancers,
hypertension, and other diseases - Increased endurance, strength, and
flexibility - More cheerful outlook and less
likelihood of depression - Feeling of belonging—the
companionship of sports - Stronger self-image
Why be physically active
-Reduced body fat and increased lean tissue
-A more youthful appearance, healthy skin, and improved muscle tone
-Greater bone density and lessened risk of adult bone loss in later life
-Increased independence in the elderly
-Sound, beneficial sleep Faster wound healing
-Reduced menstrual symptoms
-Improved resistance to infection
Other lifestyle choices affecting health
- Tobacco and alcohol use
- Substance abuse
- Physical activity
- Closely linked with nutrition
- Sleep
- Emotional stress
- Environmental factors