Two pictures including hands on a computer and a woman studying with the words, "Practice Question of the Week"

What is the diagnosis?

A college student has made an appointment to speak with a counselor at her
university’s counseling center about troublesome symptoms she has experienced on a
number of occasions over the last six months. The symptoms include chest pain, nausea,
pounding heart, and dizziness. A recent medical exam failed to identify any physical
problems. Which of the following DSM-5 diagnoses is this student MOST LIKELY suffering from?