The nurse is assessing an older adult client who is having difficulty remembering events from earlier in the day and concentrating on the questions being asked. A family member shares that the client's home was recently sold and the client has just moved in with them. Which nursing response best promotes effective communication with the family?

A. This statement is not accurate and may alarm the family unnecessarily. Delirium is often reversible and can have various causes, including medical conditions, medications, and environmental factors. Institutionalization is not always necessary. B. This statement jumps to conclusions and may cause unnecessary distress to the family. While dementia is a possibility, it is not appropriate to make a diagnosis without further assessment and evaluation by a healthcare provider. C. This response acknowledges the family's concerns and suggests a possible cause for the client's symptoms. Depression can manifest as cognitive symptoms such as difficulty concentrating and remembering, and it is often reversible with appropriate treatment and support. D. Alzheimer's disease is a progressive neurodegenerative disorder and is not typically reversible. This statement may give false hope to the family and does not address the client's current symptoms effectively.