> Medicine is like an airline flight where every row has its own flight attendant, every one on the plane is going somewhere different, and they all get a diffe

> Medicine is like an airline flight where every row has its own flight attendant, every one on the plane is going somewhere different, and they all get a different movie and meal hand delivered to them. In the bloodwork example isn't it like me walking into a parts store and talking to the guy to buy an auto part?