Fat Soluble Vitamins (Exam 2)

Question 1

what is vitamin a called

Answer 1

retinoids

Question 2

what are the 2 main sources of vit a

Answer 2

preformed and carotenoids

Question 3

where are performed vit a found

Answer 3

in fish, organ meats, and dairy

Question 4

where are carotenoids found

Answer 4

they are pigments in plants that are converted to vit a after ingestion

Question 5

what veggies have carotenoids

Answer 5

red, orange, and yellow veggies

Question 6

where can you get vit a

Answer 6

mainly animal sources
but plant sources have provitamins

Question 7

is vit a toxicity likely ?

Answer 7

no

Question 8

what destorys vit a

Answer 8

oxygen, light, heat

Question 9

what are the functions of carotenoids

Answer 9

they are antioxidants
prevent free radicals in the eye
stimulate differentiation

Question 10

what does a deficiency in vit a cause

Answer 10

stunted growth, keratinization of epithelian cells of skin
enlarged hair follicles
night blindness
decreased rbc

Question 11

what are the two forms of vit d

Answer 11

d2 and d3

Question 12

what are some functions of vit d

Answer 12

to maintain blood calcium and phosphorus
muscle function
blood pressure control
blood glucose control

Question 13

what are some sources of vt d

Answer 13

supplements

Question 14

what does d3 come from
what about d2

Answer 14

d3 is mainly animal sources
d2 is mainly plant sources

Question 15

Vitamin D …. main point

Answer 15

FROM THE SUN

Question 16

is d prone to cooking loss

Answer 16

no

Question 17

what are the 2 wavelengths of sun

Answer 17

UVA and UVB

Question 18

What does UVB do

Answer 18

penetrates less deeply into the skin and assists i producing vitamin d

Question 19

what does UVA do

Answer 19

penetrates deeper into the skin and has the potential to destroy vitamin d

Question 20

what is rickets

Answer 20

when bones become weak due to lack of vit d

Question 21

how many compounds of vitamin e are there

Answer 21

8

Question 22

what are the 2 classes of vitamin E

Answer 22

the tocopherols and the tocotrienols

Question 23

tocopherols vs tocotrienols

Answer 23

pherols is the saturated side chain
trienols is the unsaturated side chain (double bonds)

Question 24

roles of vitamin e

Answer 24

antioxidant
gene expression
cholesterol regulation, anticancer, neuroprotective

Question 25

how is vit e destroyed

Answer 25

its subject to cooking loss, loss in refining, lost during storage

Question 26

sources of vit e

Answer 26

many nuts and seeds as well as their oils
some fruits and veggies like tomatoes, pepper,s broccoli

Question 27

is vit e toxicity common

Answer 27

no , very rare

Question 28

what is a deficiency of vit e related to

Answer 28

fat malabsorption
neurogenerative problems
muscle pain and weakness
hemolytic anemia

Question 29

what are the 3 forms of vit k

Answer 29

k1 k2 and k3

Question 30

what destroyed vit k

Answer 30

heat and light

Question 31

where is k1 sourced

Answer 31

green leafy, veggies such as kale and spinach

Question 32

k2 sources

Answer 32

specific animal sources like liver, chicken. egg yolk
found in small amounts in plants that have been fermented

Question 33

k3 sources

Answer 33

synthetic form used for livestock, not suitable for human consuption

Question 34

vit k functions

Answer 34

essential for blood clotting and scab formation
assists in health of blood vessels
helps break down calcium

Question 35

is toxicity or deficiency of vit k likely

Answer 35

unlikely

Question 36

is there an UL for vit k

Answer 36

no