<prompt> A 17-year-old female presents with a history of fever and headache and now develops altered sensorium. CT scan shows basal exudates with meningeal enhancement. The CSF is most likely to show:Lymphocytic pleocytosis, low sugar, low proteinPolymorphonuclear pleocytosis, normal sugar, high proteinLymphocytic pleocytosis, low sugar, high proteinLymphocytic pleocytosis, normal sugar, high protein  <response>: CT scan shows basal exudates with meningeal enhancement is highly suggestive of tuberculous meningitis. Normal Bacterial Viral Fungal TB Pressure cmH20 5-20 30 Normal or mildly increased Appearance Normal Turbid Clear Fibrin web Protein gL 0.18-0.45 1 1 0.1-0.5 Glucose mmolL 2.5-3.5 2.2 Normal 1.6-2.5 Gram stain Normal 60-90 Positive Normal Glucose - CSF: Serum Ratio 0.6 0.4 0.6 0.4 WCC 3 500 1000 100-500 Other 90 PMN Monocytes 10 have 90 PMN 30 have 50 PMN Monocytes 