Vitamins Flashcards

1
Q

Vital accessory food factors which contains amines (not all)

A

Vitamins

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2
Q

FAT SOLUBLE VITAMINS

A

A, D, E, K

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3
Q

WATER SOLUBLE VITAMINS

A

B1, B2, B6, B12, C

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4
Q

A component of natural food, but is distinct from other nutrients, structure, utilization or metabolism, and functions

A

Vitamins

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5
Q

Essential for normal metabolism in animals and consequently required for normal health and physiological functions such as growth, development, maintenance, and reproduction

A

Vitamins

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6
Q

Precursor of vitamin A

A

Beta-carotene

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7
Q

Vitamin deficiency in scurvy

A

C

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8
Q

Excretion of fat-soluble vitamins

A

Feces through bile

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9
Q

Excretion of water-soluble vitamins

A

Urine

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10
Q

Where is fat-soluble vitamins stored?

A

Liver, kidney, muscle, brain, adipose tissue

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11
Q

Where is vitamin B12 and biotin stored?

A

Liver

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12
Q

What is needed for visual purple (rhodopsin) synthesis

A

Vitamin A

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13
Q

Vitamin needed for calcium

A

Vitamin D

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14
Q

Involved in energy transformation, in metabolism as coenzymes and cofactors

A

Water-soluble vitamins

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15
Q

Involved in structural function in the body

A

Fat-soluble vitamins

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16
Q

Vitamin needed for bones

A

Vitamin D

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17
Q

Vitamin needed for tissues and lipids

A

Vitamin E

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18
Q

Vitamin needed for blood clotting

A

K

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19
Q

Vitamin which absorption is associated with fats

A

Fat-soluble vitamins

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20
Q

Excessive doses or intakes of these vitamins generally result to toxicity (hypervitaminosis)

A

Fat-soluble vitamins

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21
Q

Vitamins where toxicity is rare

A

Water soluble vitamins

22
Q

Vitamin deficiency in anemia

A

Vitamin B12

23
Q

Compounds that do not function as vitamins though they are chemically related, and they compete with or destroy the biologically active vitamin

A

Antivitamins / Vitamin antagonists / Pseudovitamins

24
Q

Enzyme which destroys thiamine

A

Thiaminase

25
Vitamins relatively sensitive to oxidation, heat, ultraviolet light, metal ions, and specific enzymes
Fat-soluble vitamins
26
Where is beta-carotene converted to vitamin A?
Liver and intestine
27
Most biologically active form of vitamin A
Retinol
28
Helps in the regulation of secretion of gonadotropins FSH and LH
Vitamin A
29
Known as antirachitic factor
Vitamin D
30
TWO MOST PROMINENT FORMS OF VITAMIN D
Ergocalciferol Cholecalciferol
31
Derived from precursor 7-dehydrocholesterol exclusively from animal products
Cholecalciferol
32
Four legged animals are able to convert what vitamins
Vitamin D2 to D3
33
Poultry are not able to efficiently convert vitamin _____
Vitamin D2 to D3
34
Primary form of vitamin D in poultry rations
Vitamin D3
35
For all species, efficiency of utilization is greater for vitamin __ as compared to __
D3, D2
36
The most biologically active form of vitamin D
Calcitriol
37
Where is calcitriol formed
Kidney
38
Vitamin that promotes germ cell production
Vitamin D
39
Regulates formation of a compound known as calcium binding protein
Vitamin D
40
Disturbance of normal ossification in young animals characterized by a decreased Ca and P in the organic matrices of cartilage and bone
Rickets
41
Adult form of rickets
Osteomalacia
42
Needed for the contraction of muscles
Calcium
43
High calcium in blood
Hypercalcemia
44
Diffuse soft tissue calcification affecting the cardiovascular and respiratory tracts
Calcinosis
45
Most biologically active and most widely distributed in Vitamin E
Alpha-tocopherol
46
Vitamin that serves as an antioxidant
Vitamin E
47
Vitamin that maintains proper permeability of the capillary walls
Vitamin E
48
Simplest and most toxic vit K
Menadione (K3)
49
A group of quinone compounds that have characteristic antihemorrhagic effect
Vitamin K
50
Causes a specific disease or syndrome if absent from the diet or improperly absorbed or utilized
Vitamins