NUTR 280 final Exam Questions and Answers |Complete Solutions Graded A+ |100% Correct
beta-carotene carotenoid that is most potent precursor, and can be converted into retinoids
more efficiently than the other carotenoids
also an antioxidant
micelles retinoids and carotenoids are incorporated into _____________ and absorbed
liver where is most vitamin A stored
retinol-binding proteins how does vitamin A leave the liver?
zinc what is needed to make retinol-binding proteins
gene one of vitamin A's most important role is its function in _______ expression
proteins info coded in genes are used to make
epithelial vitamin A helps with the growth and replenishment of this type of tissue
differentiation vitamin A also has a role in cell ______________-
cell differentiation process where immature cells are stimulated to "mature"
retina vitamin A also has an important role in vision by keeping the cornea healthy and
processing light in the
rhodopsin retinal combines with opsin to make
,night blindness a deficiency in vitamin A could result in a slow recovery of vision after
exposure to flashes of bright light, called
keratinization vitamin A deficiency that leads to an accumulation of keratin
xerosis as keratinization progresses it could turn into
xerophthalmia most advanced vitamin A deficiency
failure to grow first sign of a vitamin A deficiency in children is the
"remodeling" vitamin A assists in the growth of bone and teeth, or
diet and sun exposure vitamin D can be obtained from the
cholesterol UV rays shine on a ___________ compound in the skin, creating a vitamin D
precursor
kidneys 1.5 days after vitamin D absorption, the liver and _____________ donate hydroxyl
groups and it becomes active vitamin D
activated even vitamin D in food has to be ____________ to be functional
99 spf 15 decreases synthesis by ____%
5, 10 ____ to ____ minutes of midday exposure to the sun 3x/week can provide a light-
skinned individual with adequate vitamin D
, calcium vitamin D regulates the amount of ____________ absorbed across the GI tract and
how much goes in and out of bones
parathyroid vitamin D is made and release from these glands
hormone vitamin D functions somewhat like a ________________; it can be made by an
organ, travels in the blood, and has an effect on other organs
rickets vitamin D deficiency in children
osteomalacia vitamin D deficiency in adults
total bone mass the difference between osteomalacia and osteoporosis is that osteoporosis
is the loss of __________ _________ _________, not just minerals
alpha-tocopherol the basis for the DRI for vitamin E
antioxidant vitamin E is also an ____________
vitamin C this nutrient gives an electron back to vitamin E
true T/F: a vitamin E deficiency is rare
hemolytic anemia a condition in which there is an insufficient number of red blood cells
because many burst
fatty tissue, liver, and muscles storage sites of vitamin E
beta-carotene carotenoid that is most potent precursor, and can be converted into retinoids
more efficiently than the other carotenoids
also an antioxidant
micelles retinoids and carotenoids are incorporated into _____________ and absorbed
liver where is most vitamin A stored
retinol-binding proteins how does vitamin A leave the liver?
zinc what is needed to make retinol-binding proteins
gene one of vitamin A's most important role is its function in _______ expression
proteins info coded in genes are used to make
epithelial vitamin A helps with the growth and replenishment of this type of tissue
differentiation vitamin A also has a role in cell ______________-
cell differentiation process where immature cells are stimulated to "mature"
retina vitamin A also has an important role in vision by keeping the cornea healthy and
processing light in the
rhodopsin retinal combines with opsin to make
,night blindness a deficiency in vitamin A could result in a slow recovery of vision after
exposure to flashes of bright light, called
keratinization vitamin A deficiency that leads to an accumulation of keratin
xerosis as keratinization progresses it could turn into
xerophthalmia most advanced vitamin A deficiency
failure to grow first sign of a vitamin A deficiency in children is the
"remodeling" vitamin A assists in the growth of bone and teeth, or
diet and sun exposure vitamin D can be obtained from the
cholesterol UV rays shine on a ___________ compound in the skin, creating a vitamin D
precursor
kidneys 1.5 days after vitamin D absorption, the liver and _____________ donate hydroxyl
groups and it becomes active vitamin D
activated even vitamin D in food has to be ____________ to be functional
99 spf 15 decreases synthesis by ____%
5, 10 ____ to ____ minutes of midday exposure to the sun 3x/week can provide a light-
skinned individual with adequate vitamin D
, calcium vitamin D regulates the amount of ____________ absorbed across the GI tract and
how much goes in and out of bones
parathyroid vitamin D is made and release from these glands
hormone vitamin D functions somewhat like a ________________; it can be made by an
organ, travels in the blood, and has an effect on other organs
rickets vitamin D deficiency in children
osteomalacia vitamin D deficiency in adults
total bone mass the difference between osteomalacia and osteoporosis is that osteoporosis
is the loss of __________ _________ _________, not just minerals
alpha-tocopherol the basis for the DRI for vitamin E
antioxidant vitamin E is also an ____________
vitamin C this nutrient gives an electron back to vitamin E
true T/F: a vitamin E deficiency is rare
hemolytic anemia a condition in which there is an insufficient number of red blood cells
because many burst
fatty tissue, liver, and muscles storage sites of vitamin E
