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State two functions of Vitamin A - Leaving Cert Home Economics - Question 3 - 2016
Question 3
State two functions of Vitamin A. (i) (ii) Name two good dietary sources of Vitamin A. (i) (ii)
Worked Solution & Example Answer:State two functions of Vitamin A - Leaving Cert Home Economics - Question 3 - 2016
Step 1
State two functions of Vitamin A.
Answer
Function (i): One important function of Vitamin A is the production of rhodopsin, which is essential for vision in low light. It also contributes to maintaining healthy skin and the integrity of mucous membranes.
Function (ii): Another function of Vitamin A involves the growth and repair of body cells. It plays a crucial role in preventing night blindness and is vital for the proper development of children. Additionally, beta carotene acts as a powerful antioxidant, helping to counteract the damaging effects of free radicals.
Step 2
Name two good dietary sources of Vitamin A.
Answer
Source (i): Retinol, which can be found in foods such as fish, fish liver oils, dairy products (butter, milk), and eggs.
Source (ii): Beta carotene, which is abundant in green leafy vegetables, carrots, tomatoes, yellow/red peppers, sweet potatoes, and apricots.