Ok some more info...hope this helps
http://www.nrv.gov.au/.....you don't need to know all nutrients references values just think of what you would know in UK I.e iron in girls, calcium in women, salt, fibre, they use KJ here not kcal so know the conversion.know the differences between LRNI, RNI etc.
http://Www.nutritionaustralia.org
look up Dietary guidelines for all Australians
this should get you started I will have a think of more unfortunately I left my notes at home!
oh also look up health issues in indigenous population..diabetes, obesity, Alcohol.
Hope this helps! You have loads of time to study I didn't really start til the summer so don't panic!