Neurological System Case Study – #1Mrs. Smith is an 85 year female with a history of Hypertension, diabetes and osteoarthritis. Her daughter who cares for her reports that she became suddenly confused beginning last night. She knows her daughter but has been unable to remember her grandchildren’s names. She continuously asks her daughter “What are those kids doing in our house?” .Her mother was in and out of bed all night and slept very little. Her daughter does say that her mother seemed better this morning, but on the way to your office she became more confused again. Review of systems is significant for a dry cough for the past few days. She has not had a fever. Her appetite has been poor. Her exam is normal except for some fine crackles in her left lung base. Mrs. Smith’s daughter says” My dad had Alzheimer’s and now it looks like I am going to have to go through that with my mother”1) What are the possibilities for change in Mrs. Smith’s current mental status?2) What is your top differential diagnosis? Give 3 reasons why you chose that diagnosis.3) How can you differentiate depression, dementia and delirium?4) Explain to Mrs. Smith’s daughter what treatment is needed and what you think her prognosis is.Do one pageProvide references.