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Flashcards in Nutrition High Yield Deck (44):
1

B1=

Thiamine

2

B2=

Riboflavin (FAD/ FMN)

3

B3=

Niacin

4

B5=

Pantothenic acid

5

B6=

Pyridoxine

6

B7=

biotin

7

B9=

Folate

8

B12=

cobalamine

9

What are the 3 general symptoms of a b complex deficiency?

Dermatitis
Glossitis
Diarrhea

10

What vitamin is necessary for normal differentiation of epithelial cells into specialized tissue?

Vit A

11

What are 3 symptoms of vit A deficiency?

Night blindness
Dry/ scaly skin
Corneal degeneration

12

What birth defect can vit A cause?

cleft palate, cardiac abnormalities

13

What is vit B1 a cofactor for?

Dehydrogenase reactions!

1- Pyruvate dehydrogenase
2- alpha- ketogluterate dehydrogenase
3- Transketolase (HMP shunt)
4- Branched chain ketoacid dehydrogenase

14

What can exacerbate a B1 deficiency?

glucose! because TCA enzymes can't work

15

What vitamin is a component of FAD and FMN?

B2 (riboflavin)

16

What are the 2 symtpoms of B2 deficiency?

1- cheilosis
2- Corneal vascularization

17

How many ATP is derived from B2?

2 ATP

18

How many ATP are derived from B3?

3 ATP

19

What are the symptoms of B3 deficiency?

1- glossitis
2- Pellagra (in Hartnup disease)--> diarrhea dementia and dermatitis

20

What are the symptoms of B3 excess?

Flushing, hyperglycemia and hyper uricemia

21

Which enzyme is an essential component of coA?

Vit B5 (pantothenic acid

22

WHat are the symptoms of B5 deficnency?

dermatitis, enteriits, alopencia and adrenal insufficiency

23

Wheat vitamin is used in transamination reactions, decarboxylation reactions, glycogen phosphoryalase?

B6 (pyridoxine)

24

What are the symptoms associated with vit B6 deficiency?

convusions, irritability, peripheral neuropathy sideroblastic anemia

25

What vitamin is needed for carboxylase reactions?

biotin!

26

Eating too much of what can lead to biotin deficiency?

Egg whites

27

What vitamin is needed for 1 carbon transfer/ methylation reactions?

Folate (B9)

28

"macrocytic. megaloblastic anemia with hypersegmented PMNs and NO neuro symptoms"

Folate (B9) deficiency

29

Which deficiency has increased homocystein but normal methylmalonic acid?

B9

30

Which deficieny has increaed homocysteine and methylmalonic acid?

B12

31

What is the cofactor for homocystein methyltarnsferase? And methylmalonyl-CoA mutase?

Vit B12

32

"antioxidant that faciliates Fe absorption and is necessary for hydroxylation of proline and lysine in collagen"

vitamin C

33

'corkscrew hairs"

vit C deficiency

34

What enzyme supplemenation should breast fed infants recieve?

Vit D

35

"antioxidant that protects RBCs and membranes from free radical damage"

vit E

36

What are the symptoms of vit E deficiency??

Hemplytic anemia, acanthocytosis, posterior column and spinocerebellar tract demyelination

37

"cofactor for the gamma carboxylation of glutamic acid resideus on proteins needed for blood clotting"

vit K

38

What are the symptoms of zinc deficiency?

delayed wound healing

decreased adult hair

acrodermatitis

predispose to alcoholic cirrhosis

39

protein malnutrition?

kwashiorkor

40

total calorie malnutrition?

marasmus

41

What inhibits alcohol dehydrogenase?

fomepizole

42

What inhibits acetaldehyde denydrogenase?

disulfram

43

Ethanol metabolism has an increased ratio of what?

NAD/ NAD+

44

What 2 pathways are increased in alcoholic liver?

Pyruvate--> lactate

Oxaloacetate--> malate

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