What quantity of cerebrospinal fluid (CSF) is considered sufficient for the detection of tuberculous meningitis?

a. 1 mL
b. 5 mL
c. 10 mL
d. 20 mL


C
A sufficient quantity of specimen is most critical for the isolation of AFB from CSF. Very few organisms may be found in the CSF, which makes their detection difficult. At least 10 mL of CSF is recommended for recovery of mycobacteria.

Biology & Microbiology

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Biology & Microbiology