Don't yell and don't get overly frustrated. If you can, walk away for a minute. Don't come back until you are open minded and read to proceed rationally. Be aware that she may not follow these guidelines, so it is abundantly important for you to remain calm. Try to work out the problem in a practical manner.
Why are you angry with her. Realize that she sees the world differently than you. Most of the time there is a problem which causes your parents to be concerned. Step back and try to see it through her eyes. Talk it out and look for solutions.