Vitamin E (Tocopherosis) & Vitamin K

Question 1

Vitamin E is ______ soluble and heat ____

Answer 1

fat; stable

Question 2

the easiest vitamin to oxidize

Answer 2

Vitamin E

Question 3

7 functions of Vitamin E

Answer 3

1. natural antioxidant
2. essential for reproduction in rat, pig, poultry
3. most problems associated with muscular dystrophy on Vitamin E deficient diets
4. heart muscle damage
5. nutritional encephalomalacia
6. exudative diathesis
7. gizzard erosion in turkeys

Question 4

no vitamin E in females (reproduction)

Answer 4

death and reabsorption of fetuses

Question 5

no vitamin E in males (reproduction)

Answer 5

degenerative changes in testes; irreversible sterility (whereas vitamin A is reversible)

Question 6

2 diseases associated with muscular dystrophy in vitamin E deficient diets

Answer 6

1, stiff lamb disease

2. white-muscle disease (calves)

Question 7

in what species does heart muscle damage occur in (vitamin E)

Answer 7

dairy cows

Question 8

symptoms and another name for nutritional encephalamalcia in chicks (vit E)

Answer 8

“crazy chick disease”

• uncoordinated gait
• brain lesions
• prostration

Question 9

a hemmorrhagic disease in chicks that prevented by vitamin E and responds to Se

Answer 9

exudative diathesis

Question 10

2 antioxidant properties of vitamin A

Answer 10

1. protects dietary constituents from from oxidative destruction
2. prevents peroxides from unsaturated fatty acids from forming

Question 11

most active form of tocopherosis

Answer 11

alpha

Question 12

6 sources of vitamin E

Answer 12

1. functions of plants
2. whole cereal grains
3. green leafy forages
4. eggs (yolk)
5. wheat germ oil (most concentrated source)
6. some animal byproducts (poor source)

Question 13

most concentrated form of vitamin E

Answer 13

wheat germ oil

Question 14

where is vitamin E stored in the body

Answer 14

liver

Question 15

most active form of vitamin K

Answer 15

the synthetic form: menadione

Question 16

2 sources of vitamin K

Answer 16

1. green leafy materials

2. liver, egg, fishmeal

Question 17

vitamin K is needed for formation of

Answer 17

prothrombin and plasma proteins in liver

Question 18

true or false. Vitamin K is important for coagulation

Answer 18

true

Question 19

vitamin K deficiency causes ____ blood coagulation time

Answer 19

longer

Question 20

normal blood coagulation time

Answer 20

1 minute

Question 21

where do animals (besides chicks) synthesize vitamin K and where do ruminants?

Answer 21

most animals: large intestine

ruminants: rumen and intestines

Question 22

what percent alfalfa meal is added to chick diet to prevent a vitamin K deficiency

Answer 22

2% to a corn-SBM diet

Question 23

arsenicals, terramycin, and other antibiotics aggravate borderline vitamin K deficiencies by ____

Answer 23

increasing prothrombin time even more

Question 24

what causes problems in studying vitamin K status

Answer 24

coprophagy (eating feces)

Question 25

occurs from antagonism between dicumarol and vitamin K: dicumarol decreases blood prothrombin by causing liver to discharge excess of vitamin K

Answer 25

"hemmorrhagic sweet clover disease"

Question 26

the reference standard for vitamin K

Answer 26

menadione (synthetic form)

Question 27

tocopherols have a varying activity as what vitamin?

Answer 27

vitamin E

Question 28

which of the fat soluble vitamins can ruminants synthesize?

Answer 28

Vitamin K

Question 29

The two most common forms of vitamin K are phylloquinone (K1) and menaquinone (K2). One is common in green vegetables and the other is a product of bacterial flora. Which is the product of bacterial flora?

Answer 29

K2

Question 30

this is a natural antioxidant

Answer 30

vitamin E

Question 31

known as antisterility vitamin

Answer 31

vitamin E

Question 32

has trocopherol precursors

Answer 32

vit E

Question 33

vitamin K required for formation of proteins needed for coagulation in what organ

Answer 33

liver