Breadcrumb Home Physical Therapist Assistant (PTHA) PTHA 1321 PTHA 1321: Pathophysiology for the Pta Download as PDF Class Program Physical Therapist Assistant (PTHA) Credits 3 Lecture Hours 3 Lab Hours 0 Clinical Hours 0 CIP 51.0806 Study of the pathophysiology of diseases/conditions encountered in physical therapy. Forty-eight lecture hours per semester. Prerequisites PTHA 1301, PTHA 1405, PTHA 1413, PTHA 2301.