Final answer:
The best course of action for the physical therapist towards patients requiring continued care is to provide information to patients about alternative options to obtain care.
Step-by-step explanation:
The BEST course of action for the physical therapist towards patients requiring continued care would be b. Provide information to patients about alternative options to obtain care. As the physical therapist is leaving the practice, it is important to ensure that the patients have access to the care they need. By providing information about alternative options, such as other lymphedema certified specialists or clinics, the patients can continue their treatment without interruption.