FNDH 620 EXAM 3 LATEST
POP QUIZ
a major role for thiamin is: - ANSWERS-energy transformation
why alcoholics may cause thiamin deficiency? - ANSWERS-both A and
B; alcohol prevents thiamin uptake, alcohol destroys thiamin activity
riboflavin is required for: - ANSWERS-all of the above; formation of
active folate, conversion of tryptophan to niacin, function of B6
list four water soluble vitamins that are required by pyruvate
dehydrogenase complex: - ANSWERS-B1, B2, B3, pantothenic acid
what percent of vitamin D3 from the diet is absorbed? - ANSWERS-
50%
what form of vitamin D is a major circulating form? - ANSWERS-
calcidiol
the vitamin D receptor is a member of the sugar family of nuclear
receptors that regulates gene expression. - ANSWERS-true
END OF
PAGE 1
, FNDH 620 EXAM 3 LATEST
POP QUIZ
oral supplements of ferrous iron are available in complexes with sulfate,
succinate, citrate, lactate, tartate, fumarate, or gluconate. The absorption
of these nonheme iron supplements could be __________ when ingested
with vitamin C or other antioxidants. - ANSWERS-increased
iron deficiency is second only to _______________ as the most
prevalent nutrition problem in the USA - ANSWERS-obesity
among the trace minerals, which mineral participates as cofactors in the
most enzyme systems? - ANSWERS-zinc
excess dietary iron can decrease copper absorption - ANSWERS-true
what 2 minerals can cause oxidative damage to cells when in their free
ion forms? - ANSWERS-copper and iron
which mineral is an essential cofactor in the action of glutathione
peroxidase (GPX) in the reduction of organic peroxides and hydrogen
peroxide? - ANSWERS-selenium
END OF
PAGE 2
POP QUIZ
a major role for thiamin is: - ANSWERS-energy transformation
why alcoholics may cause thiamin deficiency? - ANSWERS-both A and
B; alcohol prevents thiamin uptake, alcohol destroys thiamin activity
riboflavin is required for: - ANSWERS-all of the above; formation of
active folate, conversion of tryptophan to niacin, function of B6
list four water soluble vitamins that are required by pyruvate
dehydrogenase complex: - ANSWERS-B1, B2, B3, pantothenic acid
what percent of vitamin D3 from the diet is absorbed? - ANSWERS-
50%
what form of vitamin D is a major circulating form? - ANSWERS-
calcidiol
the vitamin D receptor is a member of the sugar family of nuclear
receptors that regulates gene expression. - ANSWERS-true
END OF
PAGE 1
, FNDH 620 EXAM 3 LATEST
POP QUIZ
oral supplements of ferrous iron are available in complexes with sulfate,
succinate, citrate, lactate, tartate, fumarate, or gluconate. The absorption
of these nonheme iron supplements could be __________ when ingested
with vitamin C or other antioxidants. - ANSWERS-increased
iron deficiency is second only to _______________ as the most
prevalent nutrition problem in the USA - ANSWERS-obesity
among the trace minerals, which mineral participates as cofactors in the
most enzyme systems? - ANSWERS-zinc
excess dietary iron can decrease copper absorption - ANSWERS-true
what 2 minerals can cause oxidative damage to cells when in their free
ion forms? - ANSWERS-copper and iron
which mineral is an essential cofactor in the action of glutathione
peroxidase (GPX) in the reduction of organic peroxides and hydrogen
peroxide? - ANSWERS-selenium
END OF
PAGE 2
