QUESTIONS WITH SOLUTIONS GRADED A+
◉non essential nutrients. Answer: can be made endogenously (in
the body) in amounts needed to satisfy physiological requirements
◉conditionally essential. Answer: non-essential nutrients can
become essential
ex. sick in the hospital, cannot get in the sun
◉Micronutrients. Answer: = small: vitamins, minerals
<l g/day
◉Macronutrients. Answer: = big: carbs, proteins, water, lipids
>1 G/Day
◉vitamin basics. Answer: organic molecules, yield NO enegery, most
cannot be made by the body, plant+animal sources, & 14 known FAT-
SOLUBLE
◉Fat-Soluble. Answer: VIT A, D, E, K - "ade k"
,◉Water- Soluble. Answer: Vit B, C and chlorine
◉Transport. Answer: F: carriers
W: freely
◉Storage. Answer: F: fat/liver
W: water
◉Excretion. Answer: F: stored in fat
W: kidneys
◉Toxicity. Answer: F: potential
W: not typical
◉Requirments. Answer: F: Periodically
W: Frequently
◉All Vitamins:. Answer: digestive processes begin in the stomach
and pancreas enzymes aid in the release from food
◉Fat - Soluble Vitamins ONLY. Answer: bile aids in absorption
, and absorbed in SI along with dietary fat carried by chylomicrons
into the lymphatic circulation
◉Water-Solubles ONLY. Answer: absorb in the SI release into the
blood
◉Vitamin K ONLY. Answer: small amounts made by bacteria in SI +
Colon
◉T/F: a low fat diet may result in a deficiency of fat soluble vitamin.
Answer: TRUE
◉What is the BEST method for preserving nutrients including
water-soluble vitamins, which are sensitive to heat and water.
Answer: STEAMING
◉what is it called when nutrients are added back, after lost during
processing?. Answer: Enrichment
◉Mineral Basics. Answer: inorganic, yield NO energy, plant + animal
sources, classification: Major + Trace, not easily destroyed, more
stable than vitamins, can be toxic in excess