VIT A

Question 1

Functions of VIT A:

Answer 1

• Aids vision
• Antioxidant
• Maintains mucus membranes (nose)
• Helps produce WBC’s
• Embryo growth

Question 2

Sources of RETINOL:

Answer 2

• Liver
• Pate
• Eggs
• Oil
• Cheese

Question 3

Sources of BETA CAROTENE:

Answer 3

• Brocoli
• Spinach
• Sweet potatoes
• Apricots
• Carrots
• GM RICE IS RICH IN VIT A TO REDUCE RISK IN DEVELOPING COUNTRIES

Question 4

Excess of VIT A:

Answer 4

• Liver damage
• RETINOL = Toxic in large amounts
• Can lead to OSTEOPOROSIS
• Large amounts are harmful to pregnant women and unborn babies

Question 5

Deficiency of VIT A:

Answer 5

• Night blindness
• Blocked tear glands
• Weakened immune system
• Poor growth in children
• Slow some development
• 100-140million of children 0-5yrs are affected in developing countries