Water-soluble vitamins

Question 1

Vitamin C RDA

Answer 1

Men 90 mg/day, Women 75 mg/day

Question 2

Vitamin B1 RDA

Answer 2

Men 1.2 mg/day, Women 1.1 mg/day

Question 3

Vitamin B2 RDA

Answer 3

Men 1.3 mg/day, Women 1.1 mg/day

Question 4

Vitamin B3 RDA

Answer 4

Men 16 mg/day, Women 14 mg/day

Question 5

Vitamin B5 AI

Answer 5

Men and women 5 mg/day

Question 6

Vitamin B6 RDA

Answer 6

Men 1.7 mg/day, Women 1.5 mg/day

Question 7

Vitamin B7 AI

Answer 7

Men and women 30 ug/day

Question 8

Vitamin B9 RDA

Answer 8

Men and women 400 ug/day, Pregnancy 600 ug/day

Question 9

Vitamin B12 RDA

Answer 9

Men and women 2.4 ug/day

Question 10

TUL Vitamin C

Answer 10

2000 mg/day; kidney stones, diarrhea

Question 11

TUL Vitamin B3

Answer 11

35 mg/day; niacin flush, GI, gout, liver trouble

Question 12

TUL Vitamin B6

Answer 12

100 mg/day; sensory and peripheral neuropathy

Question 13

TUL Vitamin B9

Answer 13

1000 ug/day; masks a B12 deficiency

Question 14

Vitamin C deficiency

Answer 14

Scurvy

Question 15

Vitamin B1 deficiency

Answer 15

Beriberi, Wernicke’s encephalopathy

Question 16

Vitamin B2 deficiency

Answer 16

Ariboflavinosis

Question 17

Vitamin B3 deficiency

Answer 17

Pellagra

Question 18

Vitamin B5 deficiency

Answer 18

Burning feet syndrome

Question 19

Vitamin B7 deficiency

Answer 19

Egg White Injury, Cleft palate (in pregnancy)

Question 20

Vitamin B9 deficiency

Answer 20

Neural tube defects, Megaloblastic macrocytic anemia

Question 21

Vitamin B12 deficiency

Answer 21

Megaloblastic macrocytic anemia, Neuropathy, Heart disease

Question 22

1 NE= ? mg of tryptophan

Answer 22

60 mg of tryptophan

Question 23

1 g complete protein= ? mg of tryptophan

Answer 23

10 mg of tryptophan

Question 24

Vitamin C function

Answer 24

1. Hydroxylation, 2. Antioxidant, 3. Pro-oxidant, 4. Colds, cancer, cataracts

Question 25

Vitamin B1 function

Answer 25

1. Energy transformation, 2. Makes NADPH, pentoses, 3. Membrane and nerve conduction

Question 26

Vitamin B2 function

Answer 26

1. ETC, 2. Decarboxylation of pyruvate, 3. Intermediate metabolism

Question 27

Vitamin B3 function

Answer 27

Redox reactions: NAD (ATP generation), NADPH (FA/chol/DNA syn and regen of glutathione)

Question 28

Vitamin B5 function

Answer 28

Component of CoA

Question 29

Vitamin B6 function

Answer 29

AA metabolism: transamination (PLP, PMP), deamination (PLP), decarboxylation (PLP, PMP, PNP)

Question 30

Vitamin B7 function

Answer 30

Coenzyme roles (transfer active CO2): pyruvate and acetyl CoA carboxylase, Noncoenzyme roles: cell proliferation and gene expression

Question 31

Vitamin B9 function

Answer 31

AA Metabolism: histidine metabolism, serine synthesis, homocysteine to methionine; DNA synthesis/cell division

Question 32

Vitamin B12 function

Answer 32

Conversion of homocysteine to methionine

Question 33

Vitamin C coenzyme

Answer 33

ascorbate

Question 34

Vitamin B1 coenzyme

Answer 34

Thiamin diphosphate (TDP), thiamin triphosphate (TTP)

Question 35

Vitamin B2 coenzyme

Answer 35

flavin mononucleotide (FMN), flavin adenine dinucleotide (FAD)

Question 36

Vitamin B3 coenzyme

Answer 36

nicotinamide adenine dinucleotide (NAD), nicotinamide adenine dinucleotide phosphate (NADP)

Question 37

Vitamin B5 coenzyme

Answer 37

Coenzyme A (CoA)

Question 38

Vitamin B6 coenzyme

Answer 38

pyridoxine phosphate (PNP), pyridoxal phosphate (PLP), pyridoxamine phosphate (PMP)

Question 39

Vitamin B7 coenzyme

Answer 39

Biotin coenzyme

Question 40

Vitamin B9 coenzyme

Answer 40

5-methyl tetrahydrofolate (5-methyl THF)

Question 41

Vitamin B12 coenzyme

Answer 41

methylcobalamin

Question 42

Vitamins that use Na-dependent transport for low intake

Answer 42

C (SVCT), B1, B2, B5 (SMVT), B7 (SMVT), B9, B12

Question 43

Uses a Na-independent transporter for low intake

Answer 43

B3