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649 Medicine

A 77-year-old woman presents with headaches and difficulty walking. She has an unbalanced gait and falls easily, especially when trying to walk upstairs. The tone is normal and there are no cerebellar findings. A CT scan reveals enlarged ventricles.For the above patient with neurologic symptoms, select the most likely structural pathology.

Aaqueductal stenosis
Binfectious process
Cenlarged foramina of Luschka
Dagenesis of the corpus callosum
Medicine
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652 Medicine

Which of the following statements concerning sensorineural hearing loss in children with bacterial meningitis are TRUE?

AIt occurs rarely (less than 5% of cases)
BIt occurs more commonly when Haemophilus influenza type B rather than Streptococcus pneumonia is the causative organism of the meningitis
CIts onset often is late in the clinical course, after discontinuation of antimicrobial therapy
DPrompt institution of antimicrobial therapy appears not to influence the incidence
Medicine
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