Vitamins Flashcards

1
Q

Vitamins

A

Essential organic compounds required in small amounts

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2
Q

Fat soluble

A

dissolve in lipids; stored in liver and adipose tissue, many have hormonal type actions; plant based some pro-vitamin

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3
Q

Water soluble

A

absorbed in the small intestine; many act a enzymatic co-factors/co-enzymes after modification

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4
Q

What is the name for Vitamin A?

A

Retinol (eyes)

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5
Q

What is the name for D2?

A

Ergocalciferol (plants)

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6
Q

What is the name for D3?

A

Cholecalciferol (active in the animal body)

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7
Q

What is the name for Vitamin E?

A

Tocopherol

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8
Q

What is the name for Vitamin K?

A

Phylloquinone (blood clotting)

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9
Q

What are the functions of Vitamin A?

A

Vision
Bone development
Reproduction

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10
Q

Where is Vitamin A found?

A

organ meats, liver, fatty fish, and dairy products

Beta-carotene

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11
Q

What are some Vitamin A deficiencies?

A

Blindness

Reproduction disorders

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12
Q

What are the functions of Vitamin D?

A

aid in calcium absorption
calcium storage
serum calcium regulation

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13
Q

Where is Vitamin D found?

A

sun cured plants

animal food

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14
Q

What are some Vitamin D deficiencies?

A

Rickets

osteoporosis

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15
Q

What are some functions of Vitamin E?

A
Antioxidant
maintain integrity of cell membranes
maintenance of heart function
protects skin and scar tissue and inflammation
often associated with selenium
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16
Q

Where is Vitamin E found?

A

vegetable oil, seeds, soybeans, avocados, etc

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17
Q

What are some Vitamin E deficiencies?

A

Rare

selenium deficiency causes white muscle disease

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18
Q

What are some functions of Vitamin K?

A

coagulation of blood

contributes to bone and tooth development

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19
Q

Where is Vitamin K found?

A

green vegetables

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20
Q

What are some Vitamin K deficiencies?

A

Rare (found in infants) by excessive bleeding.

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21
Q

Water soluble vitamins are absorbed where?

A

Small intestine

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22
Q

What are the functions of Vitamin B Complex?

A

healthy skin and muscle tone
enhance immune and nervous system
promote cell metabolism and growth
blood cell formation/maturation

23
Q

What is the function of Vitamin C?

A

Antioxidant
formation of collagen to hold the cells together
improves ion absorption and resistance to infection
benefits of high doses to immune system are debatable

24
Q

What are some deficiencies of Vitamin C?

25
Where are minerals found?
all food groups | animal products
26
How are minerals classified?
Macro and Micro
27
What are some types of Macro minerals?
Na, K, Mg, Ca, P, S, Cl
28
What are some types of Micro minerals?
Fe, Zn, Cu, Mo, Se, I, Mn, Co
29
Macro minerals are presented in the body in larger or smaller amounts compared to micro?
Larger
30
What are the functions of Calcium?
bone structure nerve function blood clotting
31
Where is calcium found?
dairy products, green vegetables
32
What are some Calcium deficiencies?
Rickets, osteoporosis, milk fever
33
What are the functions of Phosphorous?
Bone development, protein synthesis, energy metabolism, blood pH.
34
What are some Phosphorous deficiencies?
rickets, osteoporosis, pica, low fertility, poor milk production
35
What are some functions of Sodium?
acid-base and osmotic balance of body fluids nerve conduction major cation of extracellular fluid
36
What are some functions of chloride?
acid-base osmotic regulation | HCl and chloride salts in intestine secretions
37
What are some functions of Sulfur?
involved in enzyme reactions and protein synthesis | necessary for the formation of collagen
38
What is the deficiency related to Sulfur?
protein deficiency
39
What are some functions of Magnesium?
associated with Ca and P energy metabolism involved in enzyme activities
40
What are some functions of Potassium?
Acid-base osmotic regulation nerve and muscle function co-factor in several reactions involving carbohydrate metabolism
41
Can overfeeding Potassium lead to metabolic disorders?
Yes
42
What are some functions of Iron?
oxygen transport via hemoglobin Immune system function cellular energy metabolism
43
What are some iron deficiencies?
nutritional deficiency
44
What are some functions of copper?
energy metabolism iron metabolism bone strength
45
What are some copper deficiencies?
Neuro degeneration in animals and humans | decrease wool/hair growth
46
What are some functions of Selenium?
protect cells from damage by free radicals important antioxidant function very narrow range between deficiency and toxicity
47
What are some examples of selenium deficiency?
``` Keshans Disease cardiac muscle degeneration white muscle disease increased mortality poor growth ```
48
What are some functions of Iodine?
aids in production of thyroid hormones | necessary for healthy hair and teeth
49
What are some deficiencies in iodine?
common in areas where there is little iodine in the diet
50
What does cobalt do?
synthesis
51
What does Chromium do?
immune function
52
What does Zinc do?
DNA and immune function
53
What does Molybdenum do?
excessive dietary intake can reduce a copper deficiency.