Here's a nifty little game that helps you practice applying principles of blood typing. The game has you type the blood of a series of "patients" then figure out which blood units are appropriate to use in a transfusion.
It's pretty simple IF you know the principles of blood typing.
First, review blood typing in your textbook.
Then try your hand at this game:
If you can't see the game in this blog window, go directly to my-ap.us/SYuJXo