Question 34
2 pts
BSE (bovine spongiform encephalopathy) is a progressive neurological disorder
of cattle. Scrapies is a disease of sheep and goats. Patients with rapidly
progressive neurodegenerative illnesses were first reported by the German
neurologists Creutzfeldt and Jakob in the early 1920s, i.e., CJD. Finally, chronic wasting
disease (CWD) affects deer, elk, reindeer, sika deer and moose. What is correct
in describing these diseases?
They are all caused by prions.
They all have the same set of symptoms and pathology, e.g., loss of
brain tissue in spongiform patterns.
There are no good treatments, and no vaccines.
All the above are correct.