Water-Soluble Vitamins (from UWorld)

Question 1

B1

Answer 1

Thiamine

Question 2

B1 function

Answer 2

Decarboxylation of a-keto acids

Question 3

B1 deficiency

Answer 3

Beriberi

Wernicke-Korsakoff

Question 4

B2

Answer 4

Riboflavin

Question 5

B2 function

Answer 5

Mitochondrial hydrogen carrier (FAD, FMN)

Question 6

B2 deficiency

Answer 6

Angular cheilosis, stomatitis, glossitis

Normocytic anemia

Question 7

B3

Answer 7

Niacin

Question 8

B3 function

Answer 8

Hydrogen acceptor (NAD/NADH)

Question 9

B3 deficiency

Answer 9

Pellagra (Dermatitis, dementia, diarrhea)

Question 10

B6

Answer 10

Pyridoxine

Question 11

B6 function

Answer 11

Transamination of amino acids

Question 12

B6 deficiency

Answer 12

Cheilosis, stomatitis, glossitis

Question 13

B9

Answer 13

Folate

Question 14

B9 function

Answer 14

Hydroxymethyl/formyl carrier (Purine and pyridoxine synthesis)

Question 15

B9 deficiency

Answer 15

Megaloblastic anemia

Neural tube defects

Question 16

B12

Answer 16

Cobalamin

Question 17

B12 function

Answer 17

Isomerase and methyltransferase cofactor (DNA and methionine synthesis)

Question 18

B12 deficiency

Answer 18

Megaloblastic anemia

Neurologic defects

Question 19

C

Answer 19

Ascorbic acid

Question 20

C function

Answer 20

Hydroxylation of proline & lysine (collagen synthesis)

Question 21

C deficiency

Answer 21

Scurvy