Answer:
Sheryl is conducting ad misericordiam
Explanation:
Ad millisecond is a form of fallacy that being made to influence a person's support by exploiting the feeling of guilt. It's often used as a way to get out of a certain problem by showing  information that can invoke pity even though that information has nothing to do with the problem itself.
This can be seen In the case above. Shery tried to exploit Dr. Fiorentino's guilt by stating that she might lose her scholarship if she's being punished for her cheating behavior.