can someone help asap please

http://www.pueblo.gsa.gov/cic_text/food/food-pyramid/main.htm

Here's a good link. You can following the basic Food Pyramid guidelines...a certain number of servings per day from each food group. (Heads up: the pyramid will be rewritten sometime this year.)

If you're working in a nursing home, aren't a lot of the clients on specialized diets, though?

Dietary guidelines for Americans

http://www.health.gov/dietaryguidelines/

The site includes brocure on nutrition and Q&A sections plus others.