Question: John is a 55-year-old male who was recently diagnosed with Parkinson's Disease. He has delayed his appointment with a neurologist after he has convinced himself that he will die soon. He has been avoiding work despite his ability to perform his occupation as a sales manager. He describes nightmares since his diagnosis 1 month ago. He has being experiencing guilt that his former boxing career must have brought on the disease. What diagnosis best describes the this clinical scenario? Need Assignment Help? a) Acute stress disorder b) Major depressive disorder with psychotic features c) Adjustment disorder d) Generalized anxiety disorder