Vit A

Question 1

Is vitamin A a fat soluble vitamin or water soluble?

Answer 1

Fat soluble!

Question 2

What are the types of vitamin A?

Answer 2

• Retinol
• Beta Carotene

Question 3

What is Retinol?

Answer 3

• Pure vitamin A
• Easily absorbed by the body (liver)

Question 4

What is Beta Carotene?

Answer 4

• Pro vitamin A
• Not easily absorbed
• Must be changed into retinol before it can be absorbed by the body.

Question 5

What are the functions of Vitamin A?

Answer 5

Production of Rhodopsin: allows eyes to adapt to dim lights.
Healthy skin
Antioxidant: immune system

Question 6

What are the deficiencies of Vitamin A?

Answer 6

Night blindness
Follicular hyper keratosis

Question 7

What are the properties of vitamin A?

Answer 7

Insoluble in water
Heat stable
Destroyed by oxygen

Question 8

What is the RDA of vitamin A

Answer 8

400-950 micrograms