This is the 369th most frequent Spanish word.
presentó
"Presented" or "he/she/it presented."
Here, 'presentó' is used reflexively as 'se presentó,' meaning the student showed up or appeared at the exam location.
La alumna se presentó al examen a tiempo.
The student showed up to the exam on time.
In this context, 'presentó' means introducing or proposing an idea or solution to someone else.
El doctor le presentó un tratamiento innovador al paciente.
The doctor proposed an innovative treatment to the patient.
'Presentó' here is used in its formal sense, meaning to deliver or showcase information to an audience.