Vitamins (coenzymes) Flashcards Preview

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Flashcards in Vitamins (coenzymes) Deck (38):
1

used in the manufacture of rhodopsin and helps differentiate epithelial tissue

retinal (Vit A)

2

most active form of Vit A

retinoic acid

3

nyctalopia, xerophthalmia, Bitot's spots, and phrynoderma

Vit A def

4

essential for calcium uptake from gut and calcium resorption from kidney

Vit D

5

catalyzes carboxylation of glutamic acid residues in making clotting factors ll, Vll, lX, and X.

Vit K

6

produced by bacterial flora in large intestine

Vit K

7

hemorrhagic disease of newborn

Vit K def

8

an antioxidant which protects erythrocytes and membranes from free radical damage

Vit E (alpha-tocopherol)

9

fatigue, malaise, muscle weakness, shortness of breath, and pale mucous membranes

hemolytic anemia

10

hemolytic anemia

Vit E def

11

cofactor in pyruvate dehydrogenase and alpha-ketogluterate dehydrogenase

Vit B1 (thiamine)

12

Vit B1 (thiamine) deficiency can occur in

alcoholics and people on "fad diets"

13

dry and wet beriberi, and Wernicke-Korsakoff syndrome

Vit B1 (thiamine) deficiency

14

Confabulation, Apathy, Loss of memory, Muscle weakness
(CALM)

Wernicke-Korsakoff synd

15

cofactor for FMN and FAD in mito ETC and redox reactions

Vit B2 (Riboflavin)

16

dermatitis, angular stomatitis, and magenta tongue

Vit B2 (Riboflavin) def, aka Riboflavinosis

17

precursor for NAD and NADP in the mito ETC

Vit B3 (niacin)

18

formed in the body from dietary tryptophan

Vit B3 (niacin)

19

pellagra (4 D's)

Vit B3 (niacin) def

20

an acyl carrier and an essential component of CoA

Vit B5 (pantothenic acid)

21

may be associated with fatigue, irritability, and burning feet syndrome

Vit B5 (pantothenic acid) def

22

cofactor for transamination, decarboxylation reactions and glycogen phosphorylase

Vit B6 (pryidoxine)

23

glossitis and neuropathy

Vit B6 (pryidoxine) def

24

used in carboxylation reactions

Vit B7 (biotin)

25

plays a part in production of fatty acids and metabolism of fats and AA's

Vit B7 (biotin)

26

needed for conversion of oxaloacetate to phosphoenolpyruvate

Vit B7 (biotin)

27

dermatitis, fatigue, depression, alopecia, and lactic acidosis after eating too many egg whites

biotin def

28

prevents biotin absorption and leads to biotin def

avidin

29

used in the transfer of 1-Carbon units in DNA and RNA synthesis

Vit B9 (folic acid)

30

used to make methionine and purines necessary for DNA synthesis and methyl transfers

Vit B9 (folic acid)

31

megaloblastic anemia and neural tube defects in pregos and alcoholics

Vit B9 (folic acid) def

32

cofactor for methionine and succinyl CoA manufacture

Vit B12 (cobalamin)

33

Crohn's dz and diphyllobothrium latum infestation will cause

Vit B12 (cobalamin) def

34

megaloblastic anemia and beef red tongue

Vit B12 (cobalamin) def

35

B12 def due to lack of intrinsic factor

pernicious anemia

36

causes sub-acute combined degeneration of the spinal cord

Vit B12 (cobalamin) def

37

cofactor in hydroxylation of proline and lysine essential for collagen synthesis

vit C (ascorbic acid)

38

Vit C is destroyed by

heat