FNDH 620 exam 3 pop quiz questions
nicotaminamide, but not nicotinic acid, is the form required for the synthesis of
nicotinamide adenine dinucleotide –
false
how are the recommended intakes of niacin expressed? (units) –
niacin equivalents (mgs)
bioavailability of biotin is near 0% from wheat –
true
intake of raw egg white may cause deficiency of –
biotin
which of the following is one of the main functions of vitamin B6 –
transamination
methionine cycle requires –
all of the above (B6, B12, folate, niacin)
which anemia is related to folate deficiency? –
megaloblastic anemia
to protect against birth defects, a higher RDA of folic acid has been suggested for
pregnant women –
true
vitamin B12 is only available from ___________ products –
animal
why is the RDA of vitamin B12 so low? –
A, B, and C (in the liver free cobalamin can be stored for years, little B12 in the
body is degraded, whole body turnover is about 0.1% daily)
high dietary folate may cure megaloblastic anemia caused by: -
both A and B (folate deficiency, B12 deficiency)
formation of retinol from B-carotene requires the presence of what B vitamin? –
niacin
dietary fat is not very important regarding the digestion and absorption of pre- and
provitamin A forms –
false
nicotaminamide, but not nicotinic acid, is the form required for the synthesis of
nicotinamide adenine dinucleotide –
false
how are the recommended intakes of niacin expressed? (units) –
niacin equivalents (mgs)
bioavailability of biotin is near 0% from wheat –
true
intake of raw egg white may cause deficiency of –
biotin
which of the following is one of the main functions of vitamin B6 –
transamination
methionine cycle requires –
all of the above (B6, B12, folate, niacin)
which anemia is related to folate deficiency? –
megaloblastic anemia
to protect against birth defects, a higher RDA of folic acid has been suggested for
pregnant women –
true
vitamin B12 is only available from ___________ products –
animal
why is the RDA of vitamin B12 so low? –
A, B, and C (in the liver free cobalamin can be stored for years, little B12 in the
body is degraded, whole body turnover is about 0.1% daily)
high dietary folate may cure megaloblastic anemia caused by: -
both A and B (folate deficiency, B12 deficiency)
formation of retinol from B-carotene requires the presence of what B vitamin? –
niacin
dietary fat is not very important regarding the digestion and absorption of pre- and
provitamin A forms –
false
