vitamin A

Question 1

Each different form of vitamin A has a specific role in the body, which of the following forms of vitamin A is involved in vision?

Answer 1

Retinal is the vitamin A type involved in vision

Question 2

Vitamin A deficiency signs and symptoms include:

a. Haemorrhoids
b. Fibromyalgia
c. Night blindness
d. Rickets

Answer 2

night blindness is a sign and symptom of a vitamin A deficiency.

Question 3

Which of the carotenoids listed below demonstrates the greatest vitamin A activity?

     a. Astaxanthin	
 b. Alpha-carotene	
 c. Beta-carotene	
 d. Lycopene

Answer 3

Beta-carotene is the carotenoid that demonstrates the greatest vitamin A activity