A nurse is providing education about medication therapy to the family of an older adult client who has a diagnosis of Alzheimer's disease. Which of the following statements by the family indicates an understanding of the teaching?

Medication management in Alzheimer's disease is aimed at slowing symptom progression and improving quality of life rather than providing a cure. Alzheimer’s disease is a progressive neurodegenerative disorder characterized by memory loss, cognitive decline, and behavioral changes. Current therapies such as cholinesterase inhibitors and NMDA receptor antagonists may temporarily improve cognition and daily functioning. Family education is essential so caregivers understand realistic treatment goals and safe medication use. Rationale: A. Current medications are meant to help slow down the progressive decline because there is no curative treatment for Alzheimer’s disease at present. Drugs such as donepezil, rivastigmine, and memantine may improve cognitive symptoms or delay worsening for a period of time. They do not reverse neuronal damage but help maintain function and independence for as long as possible. B. Saying miracle cures are on the horizon reflects misunderstanding because no medication currently offers a cure for Alzheimer’s disease. Research continues to explore disease-modifying therapies, but management remains primarily supportive and symptom focused. Families should be taught to expect gradual progression and focus on maximizing safety and quality of life rather than expecting rapid breakthroughs. C. Cholinesterase inhibitors are not completely safe and can produce several important side effects, especially in older adults. Common adverse effects include nausea, vomiting, diarrhea, bradycardia, dizziness, and weight loss. Careful monitoring is necessary because these effects may worsen frailty or increase fall risk in elderly clients. D. Benzodiazepines are not considered the best option for behavioral disturbances in Alzheimer’s disease because they increase the risk of confusion, sedation, falls, and paradoxical agitation. Nonpharmacologic interventions are preferred first, and if medication is needed, safer alternatives are considered based on the specific behavior. Routine benzodiazepine use can worsen cognitive impairment rather than improve it.