A 78-yeаr-оld widоwed wоmаn with osteoаrthritis reports "constant worrying," difficulty sleeping, and increasing avoidance of leaving her apartment due to fear of falling. She has become progressively sedentary over the past year. Her provider recently prescribed diazepam (Valium) for anxiety. The psychiatric-mental health nurse reviews the treatment plan.Which interpretation and recommendation is most consistent with evidence-based management of anxiety disorders in older adults?