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Flashcards in Water soluble vitamins Deck (55)
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1

True or false; Vit C functions in non-heme iron absorption

true

2

What step of collagen synthesis does Vit C participate in

hydroxylation step

3

True or false; peppers are good sources of Vit C

true

4

What are the 4 H's of scurvy

Hemorrhagic
Hematologic
Hyper-keratosis
Hyper-chondrosis

5

Toxicity of Vit C causes what?

diarrhea

6

TDP is coenzyme formed from which vitamin

Thiamin (B1)

7

TDP the coenzyme made from thiamine (B1) is used in what?

pyruvate to Acetyl-CoA

8

What is TTP (non-coenzyme) made from thiamine (B1) is used in what? Which is important in...

Na+/Cl- transport

important in nervous system (nerve transduction)

9

Wet beri beri effects who? causes..

Adults - causes enlarged heart
Thiamine (B1) deficiency

10

Dry beri beri effects who? causes..

Geriatrics - causes peripheral neuropathy
Thiamine (B1) deficiency

11

Acute beri beri effects who? causes...

Babies - causes heart enlargement
Thiamine (B1) deficiency

12

True or false; beri beri causes tender calf muscles

true
Thiamine (B1) deficiency

13

What is beri beri?

Thiamine (B1) deficiency

14

What is the function of riboflavin (B2)

FAD and FMN (coenzymes) dehydrogenases

15

Which step of OHOT is riboflavin (B2) associated with?

1st step

16

True or false; FAD and FMN (products of riboflavin B2) are used in the synthesis of niacin (B3) and B6

true

17

What are some sources of B2 (riboflavin)

dark green leafy veggies
Dairy
Whole grains

18

Ariboflavinosis (deficiency of B2) is associated with cheilosis and angular stomatitis

true

19

Magenta tongue is associated with what deficiency

B2 (riboflavin)

20

"Burning feet syndrome" is associated with what deficiency

B5 (pantothenic acid)

21

What function does pantothenic acid (B5) play a role in?

CoA production for krebs and OHOT
Acyl carrier protein for lipid synthesis

22

What are some sources of pantothenic acid B5?

meat, animal products and whole grains/legumes

23

What is biotin (B7) bound to?

carboxylase

24

What are some sources of biotin (B7)

dairy
nuts
large intestine bacteria

25

What is unique about biotin (B7) and raw eggs

if consuming raw eggs - contain a chelator that binds biotin preventing absorption of B7

26

What population is most likely to be deficient in biotin (B7)

pregnant women

27

What are some symptoms of biotin (B7) deficiency

dermatitis
glossitis
increased cholesterol (LDL levels)

28

What is niacin (B3) made from

tryptophan

29

NAD (dehydrogenase) made from Niacin (B3) is used in which step of OHOT

2nd step

30

NADPH made from Niacin (B3) is used in the synthesis of what?

F.A.'s & cholesterol
Triglycerides