The Nurse Is Teaching a Class for Caregivers of Patients

The nurse is teaching a class for caregivers of patients with Alzheimer's disease. The nurse determines that learning has occurred when the caregivers make which statement?

A) "Antianxiety drugs are not effective when the patient's anxiety is due to Alzheimer's disease."
B) "No new drugs are being developed for Alzheimer's disease."
C) "Some health care providers think vitamin E and nonsteroidal anti-inflammatory medications may help control Alzheimer's symptoms."
D) "All of the drugs used for Alzheimer's disease are from the same drug class.."