Acquired extra – cranial infection that causes aqueductal Stenosis is –: (A) Bacterial endocarditis, (B) Mumps, (C) Measles, (D) Staphylococcal septicemia
Answer is B. Aqueductal stenosis -
Causes of acquired aqueductal stenosis

Neonatal meningitis                       o Intrauterine viral infections
Subarachnoid hemorrhage              o Mumps meningoencephalitis