Final answer:
The medical assistant should refer the patient to home healthcare services to provide support and care while the patient recovers at home.
Step-by-step explanation:
A medical assistant should refer an older adult patient who is experiencing difficulty navigating with crutches and is currently homebound due to a foot fracture to home healthcare services. These services can provide a range of assistance, including nursing care, physical therapy, and support with daily activities. This can help ensure the patient receives the necessary care and support to manage at home while recovering from the injury.