Vitamins part 3 tests and key words Flashcards Preview

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Flashcards in Vitamins part 3 tests and key words Deck (47):
1

serum retinol

vitamin a

2

serum 25 (OH)

vitamin d

3

erythrocyte transketolase activity

thiamine b1

4

erythrocyte glutathione reductase activity (ERGAC)

increased in riboflavin B2 deficiency

5

ratio of urinary excretion of N1- methylnicotinamide & 2-pyridone less than 1

niacin B3

6

RBC folate

tissue stores/ chronic status

7

serum folate

recent intake

8

urine or blood methylmelonic acid

increased with vitamin b12 deficiency

9

cbc with increased MCV

non specific for vitamin b12 deficiency

10

increased plasma homocysteine

folate
cobalamin b12
pyridoxine b6

11

macrocytic anemia w/ hypersegmented neutrophils

folate
cobalamin v12

12

pyridoxal phosphate

pyridoxine b6

13

leukocyte or plasma ascorbic acid level

vitamin c

14

painful joints

vitamin c

15

water soluble vitamin involved with 1-C transfers?

folate
cobalamin b12

16

vitamin involved in catecholamine synthesis

vitamin c

17

vitamin involved with aa metabolism and interconversions

pyridoxine b6

18

reduction of Fe3+ --> Fe2+

vitamin C

19

metabolism of odd chain fatty acids

cobalamin b12

20

conversion of homocysteine --> methionine

folate

21

substituent of electron carrying substances NAD & NADP

niacin B3

22

part of 2 coenzymes FAD & FMN

riboflavin B2

23

metabolism of vitamin k, folate, b6, niacin b3

riboflavin b2

24

may bind at NA channel in nerve membranes to alter nerve conduction

thiamine b1

25

Beriberi: dry/ wet
wernicke-korsakoff:

thiamine b1 deficiency

26

triad in wernicke korsakoff?

ocular signs
ataxia
amnesia/ mental confusion

27

cheilosis, stomatitis, increased vascularization of conjunctiva, scrotal dermatitis

riboflavin b2

28

pellagra: 4Ds
Dermatitis, dementia, diarrhea, death

niacin b3 deficiency

29

lowers serum LDL

niacin b3

30

peripheral vasodilation/ flushing

niacin b3

31

alcoholics, refeeding, bariatric

thiamine b1

32

petechiae, bleeding gums, anemia, bruising

vitamin c deficiency

33

night blindness, xerophthalamia

vitamin a

34

supplementing in children with measels

vitamin a

35

-bone pain/ periosteal proliferation
-bone mineral loss

vitamin a toxicity

36

rickets
rachitic rosary on ribs
bowed legs
widened metaphases
painful bones
fractures

vitamin d

37

bone pain

vitamin a overdose
vitamin d deficiency

38

decreased Ca and P
Increased alk phos

vitamin d

39

what is activated in the liver?

calcitriol = active form vitamin d

40

hypercalcemia
vomiting
seizures
nephrocalcinosis
soft tissue calcification

vitamin d toxicity

41

neurologic degradation
prematurity, fat malabsorption, short gut, CF

vitamin E

42

chronic gramulatous diseases

hypervitaminosis vitamin d

43

coag proteins

vitamin k

44

hemorrhagic disease of newborn

vitamin k

45

synthesized by intestinal bacteria

vitamin k

46

only from animal products

cobalamin b12,

47

social factors that increase risk of water soluble vitamin deficiency

poverty, chronic disease states, advanced age, dietary restrictions, high requirements