NUSC 1165 FINAL EXAM CHEA (Actual 2025)
QUESTIONS WITH COMPLETE verified
SOLUTIONS
phospholipids - <<<Answers>>>a lipid consisting of a
glycerol bound to two fatty acids and a phosphate group
cholesterol - <<<Answers>>>ring structure
- used for bile and hormone formation
saturated fat - <<<Answers>>>single bonds between all
carbons in fatty acid
vitamin C - <<<Answers>>>water soluble vitamin that
functions as an antioxidant and is involved in collagen
formation
dietary sources of vitamin C - <<<Answers>>>Citrus fruits
and vegetables
scurvy - <<<Answers>>>bonds that hold collagen molecules
cannot form due to vitamin C deficiency
- affects bones and joints, poor wound healing, anemia
,during the process of digestion/absorption, _______ vitamins
are mixed together w other lipids in micelles and transported
to cells via chylomicrons - <<<Answers>>>fat soluble
toxicity risk is higher for _______ vitamins due to longer
storage - <<<Answers>>>fat soluble
vitamin A - <<<Answers>>>involved in visual cycle and
gene expression
vitamin A deficiency - <<<Answers>>>night blindness and
keratomalacia (softening of the cornea)
dietary sources of vitamin A - <<<Answers>>>carrots, beef
liver
vitamin D - <<<Answers>>>acts on the bone, kidney and
intestine to inc blood calcium
vitamin D deficiency - <<<Answers>>>rickets-- poor bone
development in children
osteomalacia-- brittle bones in adults
sources of vitamin D - <<<Answers>>>sunlight, fortified
milk, fish liver oils
,vitamin E - <<<Answers>>>alpha-Tocopherol
- functions as an antioxidant
dietary sources of vitamin E - <<<Answers>>>Plant oils,
whole grains, nuts and seeds
Vitamin E deficiency - <<<Answers>>>rare
vitamin K - <<<Answers>>>Coenzyme needed for the blood
clotting protein prothrombin and other specific blood clotting
factors
dietary sources of vitamin K - <<< vitamin K deficiency -
<<<Answers>>>rare Answers>>>Liver and leafy green
vegetables (spinach, mustard greens)
preformed vitamin A - <<<Answers>>>animal sources
- retinal, retinol, retinoic acid
- liver, fish, egg yolks, dairy
provitamin A - <<<Answers>>>plant sources
, - beta carotene, alpha carotene, beta cryptoxanthin, lycopene
- dark orange fruits and veggies, leafy greens
what is vitamin D synthesized from -
<<<Answers>>>cholesterol
fortification factor to determine a dietary folate equivalent
(DFE) - <<<Answers>>>1.7
Riboflavin is most easily destroyed when exposed to -
<<<Answers>>>light
______ is characterized by for 4 D's -
<<<Answers>>>pellagra
vitamin B12 requires ____ to be properly absorbed -
<<<Answers>>>intrinsic factor
what B vitamins are associated w lowering homocysteine
levels in the blood? - <<<Answers>>>B12, B6, folate
what form of vitamin A is involved in vision -
<<<Answers>>>retinal
QUESTIONS WITH COMPLETE verified
SOLUTIONS
phospholipids - <<<Answers>>>a lipid consisting of a
glycerol bound to two fatty acids and a phosphate group
cholesterol - <<<Answers>>>ring structure
- used for bile and hormone formation
saturated fat - <<<Answers>>>single bonds between all
carbons in fatty acid
vitamin C - <<<Answers>>>water soluble vitamin that
functions as an antioxidant and is involved in collagen
formation
dietary sources of vitamin C - <<<Answers>>>Citrus fruits
and vegetables
scurvy - <<<Answers>>>bonds that hold collagen molecules
cannot form due to vitamin C deficiency
- affects bones and joints, poor wound healing, anemia
,during the process of digestion/absorption, _______ vitamins
are mixed together w other lipids in micelles and transported
to cells via chylomicrons - <<<Answers>>>fat soluble
toxicity risk is higher for _______ vitamins due to longer
storage - <<<Answers>>>fat soluble
vitamin A - <<<Answers>>>involved in visual cycle and
gene expression
vitamin A deficiency - <<<Answers>>>night blindness and
keratomalacia (softening of the cornea)
dietary sources of vitamin A - <<<Answers>>>carrots, beef
liver
vitamin D - <<<Answers>>>acts on the bone, kidney and
intestine to inc blood calcium
vitamin D deficiency - <<<Answers>>>rickets-- poor bone
development in children
osteomalacia-- brittle bones in adults
sources of vitamin D - <<<Answers>>>sunlight, fortified
milk, fish liver oils
,vitamin E - <<<Answers>>>alpha-Tocopherol
- functions as an antioxidant
dietary sources of vitamin E - <<<Answers>>>Plant oils,
whole grains, nuts and seeds
Vitamin E deficiency - <<<Answers>>>rare
vitamin K - <<<Answers>>>Coenzyme needed for the blood
clotting protein prothrombin and other specific blood clotting
factors
dietary sources of vitamin K - <<< vitamin K deficiency -
<<<Answers>>>rare Answers>>>Liver and leafy green
vegetables (spinach, mustard greens)
preformed vitamin A - <<<Answers>>>animal sources
- retinal, retinol, retinoic acid
- liver, fish, egg yolks, dairy
provitamin A - <<<Answers>>>plant sources
, - beta carotene, alpha carotene, beta cryptoxanthin, lycopene
- dark orange fruits and veggies, leafy greens
what is vitamin D synthesized from -
<<<Answers>>>cholesterol
fortification factor to determine a dietary folate equivalent
(DFE) - <<<Answers>>>1.7
Riboflavin is most easily destroyed when exposed to -
<<<Answers>>>light
______ is characterized by for 4 D's -
<<<Answers>>>pellagra
vitamin B12 requires ____ to be properly absorbed -
<<<Answers>>>intrinsic factor
what B vitamins are associated w lowering homocysteine
levels in the blood? - <<<Answers>>>B12, B6, folate
what form of vitamin A is involved in vision -
<<<Answers>>>retinal
