Vitamins Quiz

Question 1

A patient presents with convulsions and irritability. What vitamin deficiency is causing these symptoms?

Answer 1

Vit B6 (pyridoxine) deficiency

Question 2

Which vitamin deficiency results in gum bleeding, bruising, anemia, and poor wound healing?

Answer 2

Vit C. This is scurvy

Question 3

Vitamin C is necessary for the hydroxylation of which amino acids in collagen synthesis.

Answer 3

Proline and lysine —-Vit C—-> Hydroxyproline and hydroxylysine

Question 4

What vitamin in excess can cause hpyercalcemia?

Answer 4

Vit D but also vitamin A.

Question 5

What vitamins have a function similar to reduced glutathione?

Answer 5

Vitamins A, C and E (antioxidants)

Question 6

An alcoholic develops a rash, diarrhea, and altered mental status. What is the the vitamin deficiency

Answer 6

Niacin deficiency (Vit B3). The three D’s of B3!! Dont simply think thiamine when it is an alcoholic.

Question 7

Which vitamin deficiency? increased RBC fragility

Answer 7

Vit E (alpha tocopherol) deficiency

Question 8

Which vitamin deficiency? dermatitis, cheilosis, glossitis

Answer 8

B2 (Riboflavin), B3 (Niacin), B9 (Folate), B12 (cobalamin), and iron deficiencies

Question 9

Which vitamin deficiency? Peripheral neuropathy, angular cheilosis, glossitis

Answer 9

B12 (cobalamin) deficiency

Question 10

Which vitamin deficiency? Hemorrhagic disease

Answer 10

Vit K deficiency -> cant make clotting factors

Question 11

Which vitamin deficiency? Neural tube defects

Answer 11

Folate (Vit B9) deficiency

Question 12

Which vitamin deficiency? Dermatitis, Diarrhea, Dementia

Answer 12

Vit B3 (Niacin). The 3 D’s of Vit. B3

Question 13

Which vitamin deficiency? Megaloblastic anemia

Answer 13

Vit B9 (Folate) and Vit B12 (Cobalamin)

Question 14

Which vitamin deficiency? Pernicious anemia

Answer 14

Vit B12 (cobalamin) deficiency

Question 15

Which vitamin deficiency? Bitot spots, keratomalacia, xerophthalmia

Answer 15

Vit A deficiency

Question 16

Which vitamin deficiency? Osteomalacia

Answer 16

Vit D deficiency

Question 17

Which vitamin deficiency? Rickets

Answer 17

Vit D deficiency

Question 18

Which vitamin? can be used to treat acne and psoriasis

Answer 18

Retinoic acid (Vit A)

Question 19

Which vitamin? used in oxidation reduction reactions

Answer 19

Vit B2 (riboflavin) -> used to make FMN and FAD, Vit B3 (niacin)-> used to make NAD+ and NADP+

Question 20

Which vitamin? used in carboxylation reactions

Answer 20

Vit B7 (biotin)

Question 21

Which vitamin? involved in the hydroxylation of prolyl residues

Answer 21

Vit C

Question 22

Which vitamin? requires intrinsic factor for absorption

Answer 22

Vit B12 (cobalamin)

Question 23

Which vitamin? deficiency may result from kidney disease

Answer 23

Vit D

Question 24

Which vitamin? used by pyruvate dehydrogenase and alpha-ketogluterate dehydrogenase

Answer 24

Tender loving care for nobody -> Thiamine (B1), Lipoic acid, CoA (B5), FAD (B2), NAD (B3)

Question 25

Which vitamin? given prophylactically to newborns

Answer 25

Vit K (to prevent hemorrhagic disease of the newborn)

Question 26

Which vitamin? can be used to elevate HDL and lower LDL

Answer 26

Niacin (Vit B3)

Question 27

Which vitamin? deficiency can be caused by isoniazid (INH) use

Answer 27

Vit B3 (Niacin), Vit B6 (pyridoxine)

Question 28

Which vitamin? Cobalt is found within this vitamin

Answer 28

Vit B12 (cobalamin)

Question 29

Which vitamin? critical for DNA synthesis

Answer 29

Vit B12 (cobalamin) and Vit B9 (folate)

Question 30

What are the symptoms of zinc deficiency?

Answer 30

Poor wound healing. Essential in remodeling of wounds (zinc is needed for metaloproteases)

Question 31

What enzyme is inhibited by the drug fomepizole?

Answer 31

Alcohol dehydrogenase (can give with methanol or ethylene glycol intoxication aka antifreeze ingestion).

Question 32

What is the difference between Kwashiorkor and Marasmus?

Answer 32

Kwashiorkor is protein malnutrition mainly causing a large belly (edema) and fatty liver. Marasmus is a complete nutrient deficiency causing muscle wasting (no protuberant belly).

Question 33

What vitamins should vegetarian supplement in their diet?

Answer 33

The main one is Vit B12 (cobalamin).

Question 34

What are the symptoms of vitamin A toxicity?

Answer 34

Bitot spots, keratomalacia, xerophthalmia (EYE PROBLEMS)