A 32-yeаr-оld client is аdmitted tо the neurоlogy clinic with complаints of fatigue, blurred vision, and numbness in the right arm. The client reports that symptoms have occurred intermittently over the past year and seem to worsen during periods of stress and hot weather. The healthcare provider suspects multiple sclerosis (MS). Assessment findings include: Muscle weakness in the lower extremities Decreased coordination Blurred vision Fatigue Hyperactive deep tendon reflexes The provider orders an MRI, which reveals multiple demyelinating lesions in the central nervous system. Which nursing intervention should the nurse prioritize when caring for this client? A. Encourage strenuous exercise to improve muscle strength. B. Maintain a cool environment and schedule activities with rest periods. C. Restrict fluid intake to prevent urinary frequency. D. Encourage the client to avoid assistive devices to promote independence.