Final answer:
The term describing the anxiety and avoidance of places or situations with difficult escape or help unavailability in panic scenarios is Agoraphobia.
Step-by-step explanation:
The term that best describes a patient’s symptoms of feeling anxious about being in places or situations from which escape may be difficult or help may not be available in the event of a panic attack, and subsequently avoiding these situations because of these fears, is C. Agoraphobia. Agoraphobia is an anxiety disorder that involves intense fear and avoidance of any place or situation where escape might be difficult, or where help may not be readily available, particularly when a panic attack occurs. The diagnostic criteria for agoraphobia includes significant anxiety about being in situations from which escape is difficult, such as being in open spaces, being in enclosed spaces, standing in line, or being in a crowd.