Related Clues:

• Midterm or final
• Some 47-Down
• Final, for one
• Some tough exams
• Ph.D. hurdle
• Rigorous exams
• Clinic offering
• Verbal exams
• Hurdle for a graduate degree, maybe
• Doctoral exams
• 'Is that your -- answer?'
• Deciding game
• Reason for an all-nighter
• Doctoral dread
• Certain graduate exams