This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Most common CNS manifestation of HIV infection is: March 2005 
Select and explain. 
A. Seizures, B. Dementia, C. Focal neurologic deficits, D. Stroke
B: Dementia
Answer: B: Dementia 
Explanation: Ans. B: Dementia Multiform CNS complications accompany HIV infection. The HIV-1-associated cognitive/motor complex or AIDS dementia complex (ADC), is the most severe and is considered as the AIDS defining illness. Vacuolar myelopathy, Ceain peripheral neuropathies CNS lymphoma, Kaposi sarcoma, Progressive multifocal leukoencephalopathy (PML), Cryptococcal meningitis, tuberculous meningitis etc.