Progressive multifocal leukoencephalopathy is a disease of immunosuppressed persons caused by
A. prions
B. measles virus
C. papova virus
D. rabies virus
E. ischemia secondary to arteriolosclerosis
C
Progressive multifocal leukoencephalopathy is caused by JC polyoma virus, which together with the BK virus belongs to the papova virus group. The virus causes multiple foci of demyelination in immunosuppressed persons. Measles cause subacute sclerosing panencephalitis. Prions cause spongiform encephalopathy like Creutzfeldt-Jakob disease. Rabies causes meningoencephalitis with typical Negri bodies in the cytoplasm of nerve cells. Arteriolosclerosis is the cause of cerebral ischemia with consequent mental deterioration known as Binswanger's disease.
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A) mediastinum. B) septum. C) diaphragm. D) hilum.
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P.O.L.I.C.E. treatment for common injuries should include
A. heat and rest. B. heat and compression. C. ice and elevation. D. ice and continued activity. E. heat and stretching.