In the realm of gerontological nursing

In the realm of gerontological nursing, how do you assess and manage the complex healthcare needs of older adults, including age-related changes in physiology, cognitive function, and mobility, as well as the prevalence of chronic diseases and polypharmacy? Moreover, could you discuss your strategies for promoting healthy aging, preventing functional decline, and optimizing quality of life for older adults through interdisciplinary collaboration, geriatric assessment tools, and person-centered care approaches?