After working a 12-hour day, cary told ted she was tired when they got into bed. ted assumed cary was rejecting him. this is an example of

This is an example of bypassing.
Ted is bypassing, or rather choosing (consciously or unconsciously) to ignore the fact that his partner worker for 12 hours that day, and he believes that she just doesn't want to spend time with him because she doesn't want to, when in fact she is truly very tired.

Acourse of medicine

You can literally find this on google of each science career and search up what type of training you need and how many years in school