The Nurse Is Answering Questions from a Client and His

The nurse is answering questions from a client and his family regarding a recent diagnosis of Alzheimer's disease.The client asks how effective medication is in treating the disease.What is the nurse's best response?

A) "There is no cure or treatment for Alzheimer's disease."
B) "Medications have shown little improvement in symptoms."
C) "Medications for the disease have been found to improve thinking abilities,behavior,and daily functioning in some clients."
D) "Alternative therapies,such as co-enzyme Q-10 and Ginkgo biloba,are more effective than any of the prescription medications used to treat the symptoms."