Water Soluble Vitamins (Exam 2)

Question 1

what is ascorbic acid

Answer 1

vitamin c

Question 2

can humans synthesize vitamin c

Answer 2

no

Question 3

what does vitamin c protect cells in the body from

Answer 3

free radical damage

Question 4

what does vitamin c help regenerate

Answer 4

other antioxidants

Question 5

what does vitamin c produce

Answer 5

collagen

Question 6

what does vitamin c help repari and maintain

Answer 6

cartilage and bone

Question 7

what does vitamin c help from in the blood relation

Answer 7

capillary blood vessels

Question 8

what does vitamin c help the body absorb

Answer 8

plant sources of iron

Question 9

what is a toxicity of vitamin c mean

Answer 9

gi distress and diarrhea can be caused by several large dosages during a day

Question 10

some sources of vitamin c

Answer 10

asparagus, papaya, oranges, cantalop, cauliflower, broccoli, brussel sprouts, green peppers, grapefruit, etc.

Question 11

what source is vitamin c found in foods

Answer 11

as ascorbic acid

Question 12

what can destroy vitamin c through oxidation

Answer 12

heat, light, and alkaline solutions

Question 13

what is collagen made of and how is it made

Answer 13

it is three polypeptide chain
with iron as a cofactor, vitamin c helps to synthesize collagen

Question 14

what is caritine essential for

Answer 14

the transports of long chain fatty acids from the cell cytosol into the mitochondria for beta oxidation

Question 15

carnitine, is it a protein?

Answer 15

non- protein, yet does have nitrogen

Question 16

what is norepinephrine

Answer 16

a neurotransmitter/hormone released to respons to stress

Question 17

what does an antioxidant mean

Answer 17

that it helps protect cells from damage caused by free radicals

Question 18

free radicals def

Answer 18

molecular structure with an unpaired electron

Question 19

what are some causes of free radicals

Answer 19

smoking, exposure to sun, xrays

Question 20

what does vitamin c do to immune function

Answer 20

it enhances it by promoting movement and reproduction of immune cells

Question 21

what does vitamin c do to iron absorption

Answer 21

it enhances it

Question 22

scury summary

Answer 22

from a prolonged absence of vitamin c
which can lead to fatigue, lack of energy, being uncomfy and diminishing body structures ruptured bv, impaired healing, bad bone health, etc

Question 23

what are all the b vitamins

Answer 23

thiamin(1), riboflavin (b2), Niacin (b3), Pantothenic acid (b5), Pyridoxine (b6), Biotin (b7), Folate (b9), Cobalamin (b12)

Question 24

roles of b1

Answer 24

assists w many body functions
energy metabolism
muscle contration (nerve signals)
Mediates cell growth and development

Question 25

What channels does b1 regulate

Answer 25

sodium channels

Question 26

top sources of b1

Answer 26

pork loin salmon black beans whole grain wheat slice

Question 27

what destroys b1

Answer 27

a ph >8 cooking some chemicals

Question 28

what activates b1

Answer 28

magnesium

Question 29

what is beriberi summary

Answer 29

caused by chronically low b1 leveles which leads to muscle weakness, enlarged heart, etc

Question 30

some sources of b2

Answer 30

low fat yogurt, eggs, meat, legumes, green veggies, bran cereal, etc

Question 31

what destroys b2

Answer 31

sunlight

Question 32

what is aniboflavinosis

Answer 32

a riboflavin, b2, deficiency in humans, rare, painful lesions, inflamed tougue, bloody oral cavity

Question 33

b3 sources

Answer 33

fish and meats pasta

Question 34

is b3 easily destroyed

Answer 34

no , faitly stable to any exposures

Question 35

what is pellagra

Answer 35

niacin, b3, defieciency caused 4 Ds dermatitis dementia diarrhea death

Question 36

sources of b5

Answer 36

present in virtually all plant and animal foods

Question 37

destruction of b5

Answer 37

easily destoyed by freezing and heating in acidic and alkaline solutions

Question 37

burning feet syndrome

Answer 37

b5 deficiency

Question 38

roles of b6

Answer 38

amino acid metablism heme synthesis carnitine synthesis glycogen phosphorlylase activity needs b6

Question 38

sources of b6

Answer 38

mainly from plant foods but also white and dark chx meat

Question 38

stable aspect of b6 destruction aspect of b6

Answer 38

stable with cooking destroyed with prolonged heating

Question 39

b6 deficiencies lead to what

Answer 39

rashes, weakness, fatigue, seizures, anemia, etc

Question 40

biotin , b7 sources

Answer 40

beef liver eggs yolk peanuts almonds salmon

Question 41

is b7 easily destroyed

Answer 41

no, very stable

Question 42

what may inactivate biotin

Answer 42

Ultraviolet radiation

Question 42

roles of b7

Answer 42

energy metabolism, human genes transcription cell cycle

Question 43

is a b7 deficiency rare

Answer 43

very rare when does it is lethargy, seizures, dermatitis, etc.

Question 44

sources of b9

Answer 44

mushrooms and spinach brussel sprouts and broccoli peanuts, legumes

Question 45

roles of b9 folate

Answer 45

amino acid metablism

Question 46

what destroys b9

Answer 46

heat, oxidation, and uv light

Question 47

is raw b9 or cooked b9 better

Answer 47

raw also 50-80 percent of it is lost with food processing

Question 48

roles of b12, cobalamin

Answer 48

coenzyme for the synthesis of methlonine metablism of fatty acids maturation of rbc

Question 49

what is megablastic macrocytic anemia

Answer 49

fewer rbc low plasma levels

Question 50

sources of b12

Answer 50

beef steak, fish, shellfish

Question 51

is b12 easily destroyed

Answer 51

nah its faily stable and resitance to light, heat, and oxidation

Question 52

what is cobalamin the coenzyme for

Answer 52

the synthesis of methionine