If you are asked to collect 4 serial samples from lumbar puncture. What should be done with first sample?

Ans. is'a'i.e., Cell counts like differential countsRef: <a href=" classic approach is to send the 4 CSF tubes for the following studies:</strong>Tube I - Cell count and differentialTube 2 - Glucose and protein levelsTube 3 - Gram stain, culture and sensitivity (C&S)Tube 4 - Cell count and differential