Patients with nervous system disorders may have a wide variety of signs and symptoms, but the most common are headache, muscle weakness, and _______________, or loss of feeling. 

Which is a form of cancer treatment that uses high-energy ionizing radiation to shrink or kill tumors?

a. Chemotherapy b. Radiation therapy c. X-ray d. Fluoroscopy

When ambulating with a non-wheeled walker, patients use a:

a. step-to gait pattern. b. step-through gait pattern.