This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Medicine
[{'content': '"Prion" group of diseases include \nSelect and explain. \nA. Creutzfeldt-Jacob disease, B. Subacute sclerosing panencephalitis, C. Alzheimer\'s disease, D. Parkinson disease', 'role': 'user'}, {'content': 'Answer: A \nExplanation: (A) Creutzfeldt-Jacob disease # Prion Disease:> Prions are infectious proteins that cause degeneration of the Central Nervous System (CNS).> Prion diseases are disorders of protein conformation, the most common of which in humans is called Creutzfeldt-Jackob Disease (CJD).> CJD typically presents with dementia and myoclonus, is restlessly progressive, and generally cause death within a year of onset.> Most CJD patients are between 50 & 75 years of age; however, patients as young as 17 years and as old as 83 years have recorded. SLOW VIRUS DISEASESGroup A* Visna* Maedi (progressive pneumonia)Non-oncogenic retrovirus (Lentivirus), HIVGroup B* Affects in human* Creutzfeldt Jakob disease* Kuru* Fatal familial insomnia* Gerstmann-Straussler-Scheinker syndrome* Sub acute spongioform VE (SSVE)/Bovine* spongioform encephalopathy/(Mad cow disease)* Chronic wasting disease of deer & elk* Scarpie in sheep & goats* Mink transmissible encephalopathyPrion diseasesCorneal transplant may spread C-J diseaseGroup C* SSPE (delayed c/c of measles)* Progressive Multifocal LeukoencephalopathyDue to Papova virus', 'role': 'assistant'}]