Vitamin C/ Choline/ Vitamin A/ Vitamin D/ Vitamin E/ Vitamin K Flashcards

1
Q

Vitamin C (absorbic acid)

A

“no scurvy acid”

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2
Q

Scurvy

A

deficiency disease of Vitamin C

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3
Q

Vitamin C has many functions in the body

A
  • assists enzymes in the formation and maintenance of collagen
  • it is an antioxidant
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4
Q

Vitamin C aids in the absorption of

A

iron, calcium, and folate

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5
Q

Vitamin C is involved in reaction that make

A

neurotransmitters, hormones, bile acids

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6
Q

Vitamin C helps protect us against

A

infections

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7
Q

Does Vitamin C prevent the common cold

A

NOOOOOOOOO

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8
Q

Symptoms of Scurvy

A

-inflamed, swollen, and bleeding gums
-loose teeth
-capillaries become weakened and rupture
wounds that don’t heal and frequent infections
-bone fractures
-feel fatigued and depressed

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9
Q

Scurvy is rarely seen in the U.S. today except

A

elderly
alcohol/drug addictions
-smokers
-few infants

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10
Q

Choline

A

water-soluble substance

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11
Q

is Choline a Vitamin?

A

NO! but is considered an essential nutrient

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12
Q

Choline is needed for the synthesis of

A

neurotransmitters

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13
Q

Choline is neded for the making of

A

cell membranes

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14
Q

Cholin is involved with the transportation of

A

lipids

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15
Q

Cholin is also needed for the metabolism of

A

homocysteine

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16
Q

Choline Deficiency during pregnancy can

A

interfere with the brain development of the fetus

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17
Q

Choline deficiency in adults

A

fatty liver and muscle damage

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18
Q

Two Forms of Vitamin A

A
  • Retinoids - preformed Vitamin A

- Carotenoids - inactive form of Vitamin A

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19
Q

Cortenoids

A

natural pigments made by plants that give certain fruits/veggies their yellow or orange colors

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20
Q

Example of carotenoids

A

beta carotene

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21
Q

Sources of beta-carotene

A

orange and yellow vegetables as well as dark green vegetables

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22
Q

Beta-carotene that is not converted into active Vitamin A may function as an

A

antioxidant

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23
Q

Retinol-binding protein

A

retinol leaves the liver via this

24
Q

absorbaility of retinoids & carotenoids

A

retinoids are absorbed MORE readily than the carotenoids

25
Vitamin A is bound to
protein
26
Deficiency in fat = deficiency in ________
Vitamin A
27
Vitamin A has two roles in Vision
- processining of light in the retina | - Rhodopsin
28
Rhodopsin
light sensitive pigment that is found in the rod cells of the retina - enables us to see in dim light
29
night blindness
deficiency in Vitamin A - slow recovery of vision after exposure to flashes of bright light
30
What keeps the cornea healthy?
keratin
31
Xerosis
drying of the cornea
32
Xerophthalmia
advanced Vitamin A deficinency; cornea thickens and becomes hard; can lead to blindness
33
Vitamin A helps with the growth and replenishment of
epitheal tissue
34
Vitamin A aids in our ability to
smell, hear, and taste
35
Vitamin A plays a key role in the immune system
regulates genes that makes proteins involved with immunity
36
Vitamin A is needed for _________
reproduction growth -
37
Where do we obtain Vitamin D
from the food that we eat and ultraviolet light
38
factors that can effect synthesis of vitamin D
color of skin, age, where someone lives, time of year, air pollution, protective clothing, use of sunscreen
39
main function of Vitamin D
regulation of calcium and phosphorus in bones and teeth
40
parathyroid hormone
low blood calcium stimulates the release of parathyroid hormone, which stimulates the activation of Vitamin
41
Vitamin D functions as a hormone
it can be made by an organ
42
populations at risk for not meeting their vitamin D requirements
infants and vegans
43
vitamin D is potentially toxic
most toxic of all vitamins
44
deficiency of Vitamin D
rickets (in children)
45
Osteomalacia
vitamin D deficiency in adults
46
osteoporosis
is a loss of total bone mass not just minerals
47
Vitamin E
ANTIOXIDANT | Tocopherol
48
Alpha-Tocopherol
the only form that can be used by the body
49
Free Radicals
atoms or molecules that have one or not unpaired molecules
50
Vitamin E deficiency is
rare
51
Vitamin E protects against
heavy metals, toxins and an assortment of drugs
52
hemolytic anemia
a condition in which there is an insufficient number of red blood cells because they have ruptured
53
Vitamin K
main function of clotting blood
54
another role of Vitamin K
needed for the synthesis of important bone proteins that enable minerals to bond for the formation of bone
55
those at risk for Vitamin K deficiency
newborns, longterm antibiotic usage, takin anticoagulant medications
56
Jaundice
it occurs when red blood cells in the liver rupture