Vitamin A Flashcards
1
Q
What is vitamin A deficiency the most common cause of?
A
Childhood blindness
2
Q
Most at risks of vitamin A deficiency (2)
A
Growing children
Pregnant women
3
Q
Why does vitamin A deficiency arise?(2)
A
Poor intakes
Infection
4
Q
Top food sources for vitamin A (4)
A
Dairy products
Fish
Carrots
Broccoli
5
Q
Consequences of VAD (2)
A
Promotes keratinisation and dryness
Changes in structure of epithelial cell layers in key organs
6
Q
How does vitamin A increase the risk of passive immunity
A
Prevents regeneration of mucosal barriers damaged by infection
7
Q
Risk factors for VAD (5)
A
Preschool age Male Poverty Low intakes of animal produce Rely on carotenoid - bioavailability