Ch 10 Antioxidants

Question 1

betacarotene is precursor for _____

Answer 1

Vit A

Question 2

forms of Vit A

Answer 2

retinol retinal —-> retinoic acid

Question 3

retinol function

Answer 3

reproduction

Question 4

retinoic acid function

Answer 4

growth: cell development and differentiation

Question 5

retinal function

Answer 5

vision

Question 6

Vit A deficiency

Answer 6

blindness, keratinization, infectious disease, death

Question 7

Vit A excess

Answer 7

brith defects

Question 8

Vit A sources

Answer 8

carotenoids in dark/orange/red fruits and veg
liver
FATTY FISH

Question 9

Vit C function

Answer 9

• collagen and scar tissue formation
• Fe absorption, reduces non heme Fe
• NT: tyr to norepi and trp to serotonin
• protects WBC

Question 10

Vit C sources

Answer 10

citrus, broccoli, GREEN PEPPER

Question 11

Vit C RDA

Answer 11

200 mg/day

Question 12

Vit C deficiency

Answer 12

scurvy, anemia, dry scaly skin, improper/poor healing, infections, psychosis/depression/hysteria

Question 13

Vit C excess

Answer 13

KIDNEY STONES, exacerbates hemochromatosis

Question 14

Vit E function

Answer 14

• AKA alpha tecopherol

- travels in chylomicron and protects Vit A from oxidation

Question 15

Vit E sources

Answer 15

oily nuts/seeds, plant oils

Question 16

Vit E excess and UL

Answer 16

excess bleeding, hemorrhaging, death

UL=1000 mg/day

Question 17

fat soluble vitamins

Answer 17

A D E K

Question 18

antioxidant vitamins

Answer 18

A C E

Question 19

minerals fortified in food

Answer 19

Folic acid
Iron
Thiamin
Iodine
Niacin

Question 20

alcohol affects _____ absorption

Answer 20

B6

Question 21

______ is synthesized by body bacteria

Answer 21

biotin