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NUTR 331 Final Exam Prep Study Guide Questions and Answers Athabasca University
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NUTR 331 Final Exam Prep Study Guide Questions and Answers Athabasca University
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NUTR 331 Final Exam Prep Study GuideQuestions and Answers Athabasca
University
How does a diet high in sugar contribute to obesity?
✔✔high sugar diets are often low in fiber, encourage overeating &
provide less satiety than high fiber foods
How does fiber prevent type 2 diabetes?
✔✔Fiber (especially non viscous) slows the absorption of glucose and
prevents spikes in glucose and insulin. Preventing spikes should help the
pancreas normalize glucose levels.
What is the Effect of Iron enhancing and Inhibitors on the absorption of
heme & non-
heme?
✔✔absorption of heme is not affected by inhibitors or enhancers. Non-
heme iron is influenced by the presence of; vitamin C, phytic acid, MFP
and tennis in coffee/tea.
Osteoperosis is best defined as...
✔✔Reduction in bone mass of older people in which bones become
porous, brittle and easily fractured. Obesity is not a RF & more common
in women.
Water intake for men and women L/per day?
✔✔Men 3.7L
Women 2.7L
,Water makes up 60% body weight the percentage decreases with age. T
or F.
✔✔True
Name 7 Roles of water
✔✔1. CARRIES nutrients throughout the body
2. SOLVENT for minerals, vitamins, amino acids, glucose & etc small
molecules.
3. CLEANSES tissues and blood of wastes
4.CHEMICAL reactions
5. LUBRICANT around joints
6.SHOCK absorber inside eyes, spinal cord, joints and amniotic sac
7.TEMPERATURE maintenance
Name Foods & Beverages that can help meet water needs
✔✔water, diet drinks, tea, clear broth, cucumber, celery, lettuce,
grapefruit, strawberries, broccoli, milk yogurt, egg. cheese, apple, carrot.
(Highest - lowest)
Daily requirements for sodium intake
✔✔major contributor is processed foods & salt added during cooking.
Recommended intake; 1500mg, GOAL 2300mg, average intake 2400-
2500mg.
DASH diet
✔✔lower salt intake, increase potassium through high vegetables/dairy
intake.
, Iron Deficiency
✔✔-Most common in whole world. MOST at risk; infants, children,
women in childbearing years. Average absorption is 10-15%.
Heme vs Non-heme Iron
✔✔Heme; found in hemoglobin and myoglobin is found in meat, fish
and chicken. NON-heme found in most meats, legume, enriched grains
and dark greens. absorption inhibited by phytates and tannins.
Sources of Calcium
✔✔Cauliflower, watercress, Chinese cabbage, brussel sprouts, rutabaga,
kale, bok choy, broccoli. TUL 2500mg
name 4 important Trace Minerals, substance and their function
✔✔Iodine; thyroxin - regulates energy metabolism
Iron; hemoglobin - oxygen transport
Zinc; insuline - glucose utilization
Fluoride; fluorapatite - strengthens teeth.
high zinc inhibits copper
high iron decreases zinc
Function of Sodium
✔✔maintains fluid, acid-base balance, conducts nerve impulses and
muscle contraction
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