Exam Questions and Answers Latest
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Bioavailability - CORRECT ANSWERSthe amount a nutrient can be absorbed and used
by the body
carotenoids - CORRECT ANSWERSplant pigments that play an important role in
preventing cardiovascular disease
night blindness - CORRECT ANSWERSdeficiency of vitamin A
Vitamins that can be produced by the body - CORRECT ANSWERSA,D,K
, Vitamin E - CORRECT ANSWERSantioxidant found in cell membranes that decreases
risk for cancer and cell damage
Vitamin C functions - CORRECT ANSWERScollagen synthesis, antioxidant activity, iron
absorption, boosts immune system
B Vitamins - CORRECT ANSWERSThiamin, Riboflavin, Niacin, Pantothenic acid,
Biotin, B-6, Folate, B-12
Folate and pregnancy - CORRECT ANSWERSlack of folate can result in neural tube
defects in the developing fetus
B-12 - CORRECT ANSWERSdeficiency - nerve damage, weakness, back pain,
megablastic anemia, pernicious anemia, nutritional yeast and other fortified foods
Thirst Hormones - CORRECT ANSWERSADH and aldosterone
ADH - CORRECT ANSWERSreleased by the pituitary gland and signals the kidney to
conserve water
Aldosterone - CORRECT ANSWERSreleased from the adrenal gland and signals the
kidney to retain sodium which leads to further water retention
Intracellular water volume - CORRECT ANSWERSdepends on potassium and
phosphate
Extracellular water volume - CORRECT ANSWERSdepends on sodium and chloride
Recommended Daily Fluid intake - CORRECT ANSWERSWomen - 11 cups of total
fluid, 9 from fluids alone
Men - 13 cups total fluid, 11 from fluids alone
Water composition in body - CORRECT ANSWERSmakes of 50-70% of human body,
lean body tissue (muscle) has high water content, fat has less at 20%
6 ions responsible for body's water balance - CORRECT ANSWERSsodium, potassium,
chloride, phosphate, magnesium and calcium
osmosis - CORRECT ANSWERSwater moves from inside to outside the cell: from a
less concentrated to more concentrated area
major minerals - CORRECT ANSWERSneeded in amounts greater than 100 mg/daily
sodium, potassium, chloride, calcium, phosphorus, magnesium
trace minerals - CORRECT ANSWERSneeded in amounts less than 100 mg/day
Iron, Zinc, Selenium, Iodide, Copper, Fluoride, Chromium