Vitamin Deficiencies

Question 1

Night blindness, dry skin

Answer 1

Vitamin A

Question 2

Beriberi (polyneuritis, dilated cardiomyopathy, high-output CHF, edema), Wernicke-Korsakoff syndrome

Answer 2

Vitamine B1 (Thiamine)

Question 3

Angular stomatitis, cheilosis, corneal vascularization

Answer 3

Vitamin B2 (Riboflavin)

Question 4

Diarrhea, dermatitis, dementia

Answer 4

Vitamin B3 (Niacin)
(Pellagra)

Question 5

Dermatitis, enteritis, alopecia, adrenal insufficiency

Answer 5

Vitamin B5 (Pantothenate)

Question 6

Convulsions, hyperirritability; required during administration of isoniazid

Answer 6

Vitamin B6 (Pyridoxine)

Question 7

Macrocytic, megaloblastic anemia; neurologic symptoms (i.e. optic neuropathy, subacute combined degeneration, paresthesias); glossitis

Answer 7

Vitamin B12 (Cobalamin)

Question 8

Swollen gums, bruising, anemia, poor wound healing

Answer 8

Vitamin C

Scurvy

Question 9

Bending bones in kids; soft bones in adults; hypocalcemic tetany

Answer 9

Vitamin D

Rickets, osteomalacia

Question 10

Increased fragility of red blood cells

Answer 10

Vitamin E

Question 11

Neonatal hemorrhage; increased PT and aPTT, normal bleeding time

Answer 11

Vitamin K

Question 12

Dermatitis, enteritis. Can be caused by ingestion of raw eggs or antibiotic use

Answer 12

Biotin

Question 13

Sprue; macrocytic, megaloblastic anemia without neurologic symptoms

Answer 13

Folic acid
(The most common vitamin deficiency in the USA.)

Question 14

Weakness, muscle cramps, exacerbation of hypocalcemic tetany, CNS hyperirritability leading to tremors, choreoathetoid movement

Answer 14

Magnesium

Question 15

Dilated cardiomyopathy, myocardial necrosis; exacerbated by concurrent coxsackievirus infection.

Atrophy, degeneration, necrosis of cartilage tissue; exacerbated by iodine deficiency.

Answer 15

Selenium

Keshan disease; Kashin-Beck disease