Vitamins

Question 1

What are the main dietary sources of vitamin B1?

Answer 1

Whole grains, meat, fortified cereal, nuts, and legumes.

Question 2

What conditions result from vitamin B1 deficiency?

Answer 2

• Beriberi (peripheral neuropathy and heart failure)
• Wernicke–Korsakoff syndrome

Question 3

What foods contain vitamin B2?

Answer 3

Dairy products, eggs, meat, and green vegetables.

Question 4

What are the clinical features of B2 deficiency?

Answer 4

• Angular cheilosis
• Stomatitis
• Glossitis
• Normocytic anemia
• Seborrheic dermatitis

Question 5

What are the primary sources of vitamin B3?

Answer 5

Meat, whole grains, and legumes.

Question 6

What disease results from niacin deficiency and what are its symptoms?

Answer 6

Pellagra, which presents with:
• Dermatitis
• Diarrhea
• Delusions or dementia
• Glossitis

Question 7

Which foods provide vitamin B6?

Answer 7

Meat, whole grains, legumes, and nuts.

Question 8

What symptoms occur with vitamin B6 deficiency?

Answer 8

• Cheilosis
• Stomatitis
• Glossitis
• Irritability
• Confusion
• Depression

Question 9

What are dietary sources of folate?

Answer 9

Green leafy vegetables, fruits, meat, and fortified cereals/grains.

Question 10

What conditions are associated with folate deficiency?

Answer 10

• Megaloblastic anemia
• Neural tube defects in the fetus

Question 11

Which foods are rich in vitamin B12?

Answer 11

Meat and dairy products.

Question 12

What are clinical manifestations of B12 deficiency?

Answer 12

Megaloblastic anemia
• Neurologic deficits (confusion, paresthesias, ataxia)

Question 13

What are the major sources of vitamin C?

Answer 13

Citrus fruits, strawberries, tomatoes, potatoes, and broccoli.

Question 14

What condition results from vitamin C deficiency?

Answer 14

Scurvy, characterized by:
• Punctate hemorrhages
• Gingivitis
• Corkscrew hair