The answer is obviously 3) Many doctors see themselves as solely responsible for the patient's well-being because usually there are doctors for each patient and its usually one doctor. Cant be 1) because u cant be a doctor if u cant get along with others, friends/family, or your own co-workers. Cant be 2) because doctors share advice with each other to help one another and also do deep research. Cant be 4) because insurance doesn't stop doctors from working them from working or collaborating with one another.