Biochem16

Question 1

What are the fat soluble vitamins?

Answer 1

A, D, E, K

Question 2

Absorption of fat soluble vitamins are dependent on what?

Answer 2

Gut (ileum) & Pancreas

Question 3

Toxicity is more common in fat- or water-soluble vitamins? Why?

Answer 3

Fat – accumulate in fat

Question 4

What can cause fat-soluble vitamin deficiencies?

Answer 4

Malabsorption syndromes (steatorrhea)
 - i.e., cystic fibrosis, sprue, mineral oil intake

Question 5

What vitamins are water soluble?

Answer 5

Vit B 1,2,3,5,6,7,9,12

Vit C

Question 6

All water soluble vitamins easily wash out from the body except? Why?

Answer 6

Vitamin B12 & B9 (folate)

Stored in liver

Question 7

B-complex deficiencies often result in what?

Answer 7

Dermatitis
Glossitis
Diarrhea

Question 8

What vitamins are Antioxidants?

Answer 8

A, C, E

Question 9

Which vitamin is a constituent of visual pigments and is essential for normal differentiation of epithelial cells into specialized tissue (pancreatic cells, mucus-secreting cells)?

Answer 9

Vitamin A

Question 10

Retinol

Answer 10

Vit. A

Question 11

Thiamine

Answer 11

Vit. B1

Question 12

Riboflavin

Answer 12

Vit B2

Question 13

Niacin

Answer 13

Vit B3

Question 14

Pantothenic Acid

Answer 14

Vit B5

Question 15

Pyridoxine

Answer 15

Vit B6

Question 16

Biotin

Answer 16

Vit B7

Question 17

Folate

Answer 17

Vit B9

Question 18

Cobalamin

Answer 18

B12

Question 19

Ascorbic acid

Answer 19

Vit C

Question 20

Vit A can be used to treat what?

Answer 20

Measles
AML (subtype M3)

Question 21

Where can you obtain Vit A?

Answer 21

liver & leafy vegetables

Question 22

A deficiency in Vit A can lead to what?

Answer 22

Night blindness

Dry skin

Question 23

What is an important side effect of excess Vit A?

Answer 23

Teratogenic (cleft palate, cardiac abnormalities)

Negative pregnancy test an good contraception is required before treating women with ISOTRETINOIN for severe acne