dealing with problem students

Consider the following scenario: A student, clearly upset about receiving a failing grade on the midterm, comes up to you after class and says he wants to retake it. You reply that, as stated in the syllabus, there are no make-up exams. You also remind him of his spotty attendance record. He becomes angry, knocks your papers off the front table, and yells “You’re a terrible professor! The whole class hates you!”