Post an explanation of the primary diagnosis, as well as 3 differential diagnoses, for the patient in the case study that you selected or were assigned. Describe the role of the patient history and physical exam played in the diagnosis. Then, suggest potential treatment options based on your patient diagnosis.Case Study 180-year-old male Caucasian male brought to the clinic by his wife concerned about his memory problems. Per the wife, she has noticed his memory declining but has never interfered with his daily activities until now. He is unable to remember his appointments and heavily relies on written notes for reminder. Just last week, he got lost driving and was not found by his family until 8 hours later. He is unable to use his cell phone or recall his home address or phone number. He has become a hermit per his wife. He has withdrawn from participating with church activities and has become less attentive.PMH: HTN, controlledProstate cancer 20 years agoDyslipidemiaSH: no alcohol or tobacco use; needs assistance with medicationsPE: VS stable, physical exam unremarkableCase Study 2A 30-year-old Asian female presents to the clinic with headaches. History of headaches since her teen years. Headaches have become more debilitating recently. Describes the pain as sharp, worsens with light and accompanied by nausea and at times vomiting. Rates the pain as 7/10. Typically takes 2 tabs of OTC Motrin with some help. Sleeping it off in a darkened room helps alleviate the headache. VS WNL, physical exam unremarkable.Case Study 3A 50-year-old African American male presents with complaints of dizziness left arm weakness and fatigue. PMH: poorly controlled diabetes, hypertension, hyperlipidemiaPE: Upon exam, you noted a very mild dysarthria, he understands and follows commands very well. Mild weakness on the left side of the face is noted, and left sided homonymous hemianopsia but no ptosis or nystagmus or uvula deviation.