vitamin deficiency

Question 1

what is deficiency of vitamin A associated with
(retinol)

(2)

Answer 1

ocular defects (esp xerophthalmia - dry eye)
increased susceptibility to infections

Question 2

how common is vitamin A deficiency in UK

Answer 2

rare

Question 3

true or false - deficiency of vitamin B is common

Answer 3

false. deficiency of B vitamins, other than B12, is rare in the UK