Katherine Heigl dropped herself out of Emmy consideration in 2008, because she felt that she wasn't given the material that would warrant a nomination.
Dr. Derek Shepherd:
Christmas makes you want to be with people you love. I'm not saying this to hurt you, or because I want to leave you, because I don't. Meredith wasn't a fling. She wasn't revenge. I fell in love with her. That doesn't go away because I decided to ...
Many of the female surgeons will wear jewelry while scrubbing in, as well as while operating. This is prohibited in real Operating Rooms. Also, many of the surgeons (especially Dr. Maggie Pierce -Kelly McCreary) have long nails which is a no-no for a surgeon.