DTC 203 Exam 2 Questions & Answers
how can we decrease the micronutrient content of food? - ANSWERSboil
function of Vitamin A - ANSWERSvision
Night blindness and susceptibility of infection results from a deficiency of what vitamin? -
ANSWERSvitamin A
what will happen if you have an excess intake of vitamin A? - ANSWERSyou can turn orange
from eating too much pumpkin or carrots
what happens with vitamin A deficiency? - ANSWERSepithelial cells begin to flatten and die off
and smooth skin starts to feel like scales on a reptile
how much of vitamin A can the liver store? - ANSWERSup to a years worth
What vitamins are fat soluble? - ANSWERSVitamins A, D, E, K
what is the function of Vitamin D? - ANSWERScalcium absorption and bone metabolism;
sunlight aids production
what is the function of Vitamin E? - ANSWERSantioxidant (quenches free radicals, protects cell
membranes from oxidation)
what is the function of Vitamin K? - ANSWERSproduction of clotting factors
, what is the function of Vitamin C? - ANSWERScollagen formation-prevents scurvy and immune
enhancer
what is the function of Vitamin B as a group? - ANSWERSenzyme cofactors involved in energy
release from the macronutrients
what is the function of Folate and B 12? - ANSWERSinvolved in nucleic acid synthesis
(DNA/RNA) and red blood cell production (megaloblastic/pernicious anemia)
what can happen if folate deficiency occurs? - ANSWERSspina bifida can occur in newborns and
the neural tubes close
what is the job of B12? - ANSWERSregenerates folate from its inactive form
Describe fat soluble vitamins - ANSWERScan be stored in the liver and fatty tissues and can
reach toxic concentration
eggs, fortified milk, and sunlight are good sources of what vitamin? - ANSWERSvitamin D
Describe water soluble vitamins - ANSWERSthey are absorbed and excreted
what is a coenzyme? - ANSWERSmolecule that combines with an enzyme to make it active
liver, legumes, and leafy green vegetables are good sources of what vitamin? - ANSWERSfolate
which vitamin is present only in foods of animal origin? - ANSWERSvitamin B 12
how can we decrease the micronutrient content of food? - ANSWERSboil
function of Vitamin A - ANSWERSvision
Night blindness and susceptibility of infection results from a deficiency of what vitamin? -
ANSWERSvitamin A
what will happen if you have an excess intake of vitamin A? - ANSWERSyou can turn orange
from eating too much pumpkin or carrots
what happens with vitamin A deficiency? - ANSWERSepithelial cells begin to flatten and die off
and smooth skin starts to feel like scales on a reptile
how much of vitamin A can the liver store? - ANSWERSup to a years worth
What vitamins are fat soluble? - ANSWERSVitamins A, D, E, K
what is the function of Vitamin D? - ANSWERScalcium absorption and bone metabolism;
sunlight aids production
what is the function of Vitamin E? - ANSWERSantioxidant (quenches free radicals, protects cell
membranes from oxidation)
what is the function of Vitamin K? - ANSWERSproduction of clotting factors
, what is the function of Vitamin C? - ANSWERScollagen formation-prevents scurvy and immune
enhancer
what is the function of Vitamin B as a group? - ANSWERSenzyme cofactors involved in energy
release from the macronutrients
what is the function of Folate and B 12? - ANSWERSinvolved in nucleic acid synthesis
(DNA/RNA) and red blood cell production (megaloblastic/pernicious anemia)
what can happen if folate deficiency occurs? - ANSWERSspina bifida can occur in newborns and
the neural tubes close
what is the job of B12? - ANSWERSregenerates folate from its inactive form
Describe fat soluble vitamins - ANSWERScan be stored in the liver and fatty tissues and can
reach toxic concentration
eggs, fortified milk, and sunlight are good sources of what vitamin? - ANSWERSvitamin D
Describe water soluble vitamins - ANSWERSthey are absorbed and excreted
what is a coenzyme? - ANSWERSmolecule that combines with an enzyme to make it active
liver, legumes, and leafy green vegetables are good sources of what vitamin? - ANSWERSfolate
which vitamin is present only in foods of animal origin? - ANSWERSvitamin B 12
