minerals correct answers Elements found in food that are used by the body in small amounts
can be cofactors
available in processed/unprocessed foods and supplements
major minerals correct answers minerals needed in amounts greater than 100 milligrams per day or present in the body in amounts o...
EPHE 155 QUIZ 3 || WITH ERRORLESS SOLUTIONS
100%.
minerals correct answers Elements found in food that are used by the body in small amounts
can be cofactors
available in processed/unprocessed foods and supplements
major minerals correct answers minerals needed in amounts greater than 100 milligrams per day
or present in the body in amounts of 0.01% of BW or greater
What are the major minerals? correct answers sodium, chloride, potassium, calcium, phosphorus,
magnesium, and sulfur
trace elements correct answers minerals required in amounts of less than 100mg/day or present in
the body in amounts of 0.01% of BW or less
Bioavailability correct answers body's ability to absorb and use a nutrient
phytates can limit absorption of calcium, zinc, magnesium, and iron
tannins interfere with iron absorption
oxalates interfere with calcium and iron absorption
Osteoporosis correct answers loss of bone density
low calcium intake increases risk
responsible for 80% of fractures in those over 60
supplements correct answers multivitamin wont provide enough calcium
supplements over 500mg/day may be detrimental
calcium correct answers most abundant mineral in the body (most in bones and teeth, some in
blood and intra/extracellular fluid, 1-2% of BW)
absorbed by active transport and passive diffusion (depending on vit D)
aid in nerve transmission, muscle contraction, BP regulation and hormone release
calcium bioavailability correct answers Inhibitors: phytates (legumes, nuts, cereals), oxalates
(spinach, beets, celery, eggplants, okra, berries, nuts, seeds, tea, cocoa)
tannins (tea and coffee), and fibre
Enhancers: protein, prebiotics (acidic environment)
Too much calcium may inhibit iron and zinc absorption
calcium in diet correct answers milk, cheese, yogurt, sardines, canned salmon (including bones),
legumes, broccoli, kale, grains (smaller amounts, but since they are consumed in large
quantities..)
some foods are fortified with calcium (orange juice, tofu, baked goods)
1000 mg/day age 19-50
1,200 mg/day women over 51 and men over 71
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