Quiz 10 Flashcards
folic acid is required during early gestation for normal neural tube development
true
high dietary fat increases requirements of choline
true
consumption of polished rice can lead to a deficiency in riboflavin
false
vitamin B12 was first associated with in history as an extrinsic factor
true
consuming a liver from a polar bear could produce hypervitaminosis A
true
a deficiency in vitamin A can lead to loss of night vision because it plays a role in formation of which protein
rhodpsin
riboflavin is a coenzyme for FAD and FMN
true
scurvy is a disease that develops from a vitamin C toxicity
false
all of the following are deficiencies of vitamin E except for which
osteoporosis
pyridoxine can be found in high quantities in muscle
true
vitamin D3 comes from plant sterols
false
due to differential carotenoid metabolism, Holstein cattle have a higher amount of beta carotene in their milk
false
exposure to cassava, brassicas, DDT, and tetracyclines could possibly lead to what condition
goiter
vitamin D metabolism
blank A: 25-hydroxylase
blank B: 25 hydroxycholecalciferol
blank C: kidney
blank D: 1-alpha-hydroxylase
blank E: 1,25 DI-Hydroxycholecalciferol
blank F: 1,25 DI-Hydroxycholecalciferol
blank G: intestines
blank H: Ca and HPO4
blank I: calcification
blank J: parathyroid hormone
vitamin A is transported in the blood bound to RBP
true
has high thiaminase activity and can cause thiamin deficiency
braken fern
vitamin C
essential for primates
choline
protects against fatty liver
deficiency of niacin
pellagra
only water soluble vitamin stored
B12
deficiency causes rickets
vitamin D
retinol
version of vitamin A with 100% bioactivity
a deficiency of biotin
hoof cracks and lesions
formerly known as vitamin H
biotin
deficiency of vitamin E
exudative diathesis
vitamin k responsible for synthesis of this blood clotting factor
prothrombin
deficiency of riboflavin
moon blindness
menaquinones
bacterial synthesized form of vitamin k
can be converted into Niacin
tryptophan
pantothenic acid
component of coenzyme A
a deficiency in this other B vitamin reduces absorption of thiamin
folic acid
symptoms of a pyridoxine deficiency
convulsions, neuritis, and hyper-irritability
most active form of vitamin E
alpha-tocopherol
unlike other vitamins in that it is not a cofactor in enzyme systems
choline
a deficiency of thiamin in humans
beriberi
calcitriol
hormone form of vitamin D
pyridoxine
B6
phylloquinone
form of vitamin K found in green plants
coenzyme for NAD and NADP
niacin
