Online medical games? Online babysitting games?

There is a game called “Zoo Vet” but is probably not what you are looking for. Also, you might not be able to play it anymore.

this website called edhead.

http://www.edheads.org/

on the left click virtual knee surgery

then choose one of the two other options (virtual knee surgery only gives you one patient. but prosthetic gives you 5) and they tell you how to do the oporations while you do them. i think its fun