Whenever Jessica enters the airplane, she experiences palpitations, choking, nausea and discomfort despite having travelled multiple times by air. Jessica maybe experiencing the disorder called:

Panic Disorder

The correct answer is Option (3) → Panic Disorder

Panic disorder is a type of anxiety disorder which consists of recurrent anxiety attacks in which the person experiences intense terror. A panic attack denotes an abrupt surge of intense anxiety rising to a peak when thoughts of a particular stimuli are present. Such thoughts occur in an unpredictable manner. The clinical features include shortness of breath, dizziness, trembling, palpitations, choking, nausea, chest pain or discomfort, fear of going crazy, losing control or dying.

Jessica’s symptoms — palpitations, choking, nausea, and discomfort — occurring repeatedly in a specific situation (air travel), despite past experiences, are characteristic of panic attacks. When such episodes occur frequently and are accompanied by intense fear or discomfort, it is identified as Panic Disorder.

Other options:

• Schizophrenia involves delusions, hallucinations, and disorganized thinking.

• Post-traumatic Stress Disorder arises after experiencing a traumatic event.

• Dementia involves memory loss and cognitive decline, typically in old age.