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Biochem 2 > exam 2 > Flashcards

exam 2 Flashcards

1
Q

pantothenic acid deficiency

A

burning feet syndrome

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2
Q

vit b6 deficiency

A

microcytic hypochromic anemia, dermatitis, glossitis

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3
Q

B12 deficiency

A

pernicious (megaloblastic) anemia

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4
Q

function of thiamin

A

oxidative decarb. of alpha keto acids

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5
Q

sources of niacin

A

meat, fish, enriched cereals

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6
Q

sources of riboflavin

A

beef liver, Dairy

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7
Q

sources of thiamin

A

yeast, pork, enriched grains, sunflower seeds

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8
Q

Folate deficiency

A

Hemolytic anemia

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9
Q

thiamine deficiency

A

beriberi

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10
Q

riboflavin deficiency

A

ariboflavinosis

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11
Q

niacin deficiency

A

pellagra

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12
Q

function of riboflavin

A

electron transfer rxn

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13
Q

function of niacin

A

electron transfer

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14
Q

function of pantothenic acid

A

acyl transfer rxn

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15
Q

function of biotin

A

CO2 transfer/carb. rxn

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16
Q

vit B6 function

A

transamination and decarb. rxn

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17
Q

function of folate

A

one-carbon transfer rxns

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18
Q

function of vit. B12

A

methylation of homocysteine to methionone, conversion of malonyl coa to succinyl coa

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19
Q

sources of folate

A

yeast, spinach, asparagus, turnip greens, lima beans

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20
Q

sources of b12

A

meat, fish, shellfish, poultry, milk

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21
Q

sources of b6

A

steak, navy beans, potato, salmon, banan, whole grains

22
Q

sources of biotin

A

microflora, liver, soy, eggs

23
Q

pantothenic acid sources

A

pantos= everywhere

24
Q

main coenzyme form of thiamin

A

pyruvate carboxylase

25
Q

main coenzyme form of riboflavin

A

FAD and FMN

26
Q

Riboflavin is destroyed by

A

light

27
Q

main coenzyme form of niacin

A

NAD and NADP

28
Q

niacin is used archaeologically to

A

lower blood lipids

29
Q

main coenzyme form of pantothenic acid

A

coenzyme A

30
Q

component in egg whites that binds to biotin

A

avidin

31
Q

biotin dependent enzymes

A

4 carboxylases

32
Q

main coenzyme form of B12

A

cobalamine

33
Q

test used to determine B12 status

A

schillings test

34
Q

main coenzyme form of B6

A

PLP

35
Q

synthetic folate is absorbed better because

A

does not have glutamic acid attached

36
Q

AI for water

A
  1. 7 L-females

3. 7 L-males

37
Q

intracellular water makes up

A

67% TBW

38
Q

extracellular water makes up

A

33% TBW

39
Q

osmolarity

A

volume

40
Q

osmolality

A

weight

41
Q

major source of sodium is

A

added salt- sodium chloride

42
Q

functions of sodium

A

water, pH, and electrolyte regulation; nerve transmission, muscle contraction

43
Q

functions of potassium

A

water, electrolyte, and pH balances; cell membrane transfer

44
Q

functions of chloride

A

primary anion; maintains pH balance, enzyme activation, component of gastric hydrochloric acid

45
Q

AI for sodium

A

1,500mg

46
Q

major sources of potassium

A

avocados, bananas, dried fruits, oranges, peaches, potatoes, dried beans, wheat bran, dairy, eggs

47
Q

major sources of chloride

A

table salt, seafood, milk, meat, eggs

48
Q

major extracellular anioin

A

chloride

49
Q

DG for sodium

A

2.300

50
Q

major intracellular cation

A

potassium

51
Q

normal ECF pH

A

7.4

52
Q

systems that regulate pH

A

buffer, respiratory, renal

Biochem 2 (3 decks)

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