Fat Soluble Vitamins Flashcards Preview

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Flashcards in Fat Soluble Vitamins Deck (44)
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1

Retinol is important in what?

Reproduction

2

Retinal is important in what?

Vision

3

True or false; Retinoid acid functions in the immune system and cell differentiation

true

4

What is the difference between pro-formed and pre-formed Vit A

Pro-formed: Plant sources
Pre-formed: Animal sources

5

True or false; fish and dairy are examples of pre-formed Vit. A

true

6

What digests pre-formed Vit A? What absorbs it?

Proteases and lipases

Micelles

7

Vit A is stored in liver as retinol esters. What are the 2 kinds of RE?

L-RAT
A-RAT

8

If Vit A gets sent to peripheral tissues for use what is required?

Protein and Zinc

9

Pro-formed Vit A can be oxidized to retinoic acid, what is it then transported by?

Albumin

10

True or false; carrots, spinach and tomatoes are examples of pre-formed Vit A

false; they're all examples of pro-formed Vit A

11

Night blindness, Xerophthalmia, bitos spots and decreased immune system & sperm production are all symptoms of what?

hypovitaminosis A

12

True or false; issues with the eyes (night blindness, dry eyes, bitos spots) are all associated with too much Vit A

false; with too little Vit A

13

Head ache, Diplopia, bone fracture, birth defects, and bone/joint pain are all associated with what?

Hypervitaminosis A

14

How much fat is required digestion of fat soluble vitamins

5-10 grams (how much it takes for bile secretion by CCK)

15

True or false; fat soluble vitamins cannot be stored in adipose tissue

false; they can and are

16

Tocopherols and Tocotrienols are examples of what?

Vit E

17

What are tocopherols and tocotrienols digested by? Transported by?

Lipases
Chylomicrons
(Vit E)

18

Vit E acts as antioxidant; where is located?

Plasma membrane

19

Alpha-tocopherol (Vit E) examples

almonds, and olive oil

20

Gamma-tocopherol (Vit E) examples

Peanuts, corn oil, soy bean oil

21

What is good source of tocotrienols

oats

22

True or false; peripheral neuropathy is associated with lack of Vit D

false; is associated with lack of Vit E

23

Myopathy (muscle weakness) and peripheral neuropathy are both symptoms of what?

hypovitaminosis E

24

Increased bleeding and fatigue are associated with what?

hypervitaminosis E

25

True or false; Vit K deficiency is a common problem in new borns

true

26

True or false; Vit K is unique in the fat soluble vitamins because there is no toxicity associated with it like the rest

true

27

True or false; malabsorption disorders and chronic use of antibiotics are associated with a deficiency in Vit K

true

28

Which fat soluble vitamin functions in formation of carboxyglutamate

K

29

What is carboxyglutamate required for? What vitamin is associated with carboxyglutamate?

Required in Ca+ binding
K

30

True or false; there is an endogenous source of Vit K

True for Menaquinone (found in gut micro biome)