Quiz 10

Question 1

folic acid is required during early gestation for normal neural tube development

Answer 1

true

Question 2

high dietary fat increases requirements of choline

Answer 2

true

Question 3

consumption of polished rice can lead to a deficiency in riboflavin

Answer 3

false

Question 4

vitamin B12 was first associated with in history as an extrinsic factor

Answer 4

true

Question 5

consuming a liver from a polar bear could produce hypervitaminosis A

Answer 5

true

Question 6

a deficiency in vitamin A can lead to loss of night vision because it plays a role in formation of which protein

Answer 6

rhodpsin

Question 7

riboflavin is a coenzyme for FAD and FMN

Answer 7

true

Question 8

scurvy is a disease that develops from a vitamin C toxicity

Answer 8

false

Question 9

all of the following are deficiencies of vitamin E except for which

Answer 9

osteoporosis

Question 10

pyridoxine can be found in high quantities in muscle

Answer 10

true

Question 11

vitamin D3 comes from plant sterols

Answer 11

false

Question 12

due to differential carotenoid metabolism, Holstein cattle have a higher amount of beta carotene in their milk

Answer 12

false

Question 13

exposure to cassava, brassicas, DDT, and tetracyclines could possibly lead to what condition

Answer 13

goiter

Question 14

vitamin D metabolism

Answer 14

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

Question 15

vitamin A is transported in the blood bound to RBP

Answer 15

true

Question 16

has high thiaminase activity and can cause thiamin deficiency

Answer 16

braken fern

Question 17

vitamin C

Answer 17

essential for primates

Question 18

choline

Answer 18

protects against fatty liver

Question 19

deficiency of niacin

Answer 19

pellagra

Question 20

only water soluble vitamin stored

Answer 20

B12

Question 21

deficiency causes rickets

Answer 21

vitamin D

Question 22

retinol

Answer 22

version of vitamin A with 100% bioactivity

Question 23

a deficiency of biotin

Answer 23

hoof cracks and lesions

Question 24

formerly known as vitamin H

Answer 24

biotin

Question 25

deficiency of vitamin E

Answer 25

exudative diathesis

Question 26

vitamin k responsible for synthesis of this blood clotting factor

Answer 26

prothrombin

Question 27

deficiency of riboflavin

Answer 27

moon blindness

Question 28

menaquinones

Answer 28

bacterial synthesized form of vitamin k

Question 29

can be converted into Niacin

Answer 29

tryptophan

Question 30

pantothenic acid

Answer 30

component of coenzyme A

Question 31

a deficiency in this other B vitamin reduces absorption of thiamin

Answer 31

folic acid

Question 32

symptoms of a pyridoxine deficiency

Answer 32

convulsions, neuritis, and hyper-irritability

Question 33

most active form of vitamin E

Answer 33

alpha-tocopherol

Question 34

unlike other vitamins in that it is not a cofactor in enzyme systems

Answer 34

choline

Question 35

a deficiency of thiamin in humans

Answer 35

beriberi

Question 36

calcitriol

Answer 36

hormone form of vitamin D

Question 37

pyridoxine

Answer 37

B6

Question 38

phylloquinone

Answer 38

form of vitamin K found in green plants

Question 39

coenzyme for NAD and NADP

Answer 39

niacin