View the animation below, then complete the quiz to test your knowledge of the concept.

1	What is the vitamin C requirement for a 20 year old male?
	A)	75 mg/d
	B)	85 mg/d
	C)	90 mg/d
	D)	15 mg/d
2	In adulthood, do males or females generally have higher vitamin A requirements?
	A)	females
	B)	males
	C)	they both have the same vitamin A needs
	D)	neither needs vitamin A
3	Which of the following groups have the highest folate requirements?
	A)	non-pregnant 19-30 year old females
	B)	19-30 year old males
	C)	51-70 year old males
	D)	pregnant 19-30 year old females
4	Which of the following groups have the highest iron requirements?
	A)	non-pregnant 19-30 year old females
	B)	19-30 year old males
	C)	non-pregnant 14-18 year old females
	D)	14-18 year old males
5	In adulthood, do males or females generally have higher magnesium requirements?
	A)	females
	B)	males
	C)	they both have the same magnesium needs
	D)	neither needs magnesium