Answer:
eustress
Explanation:
Eustress is the stress a person feels which pushes the person in order to achieve one's goal.
Dean's goal is to do well in his exams. This puts stress on Dean which in turn makes him study. This gives him the mental satisfaction that he has studied for the exam. It is the stress that is beneficial in nature.
Here, the person would have gained knowledge in order to do well in the comprehensive final exam.