Review Questions With Solutions
White blood cell counts on clear CSF specimens are performed On undiluted specimens if
there are no cells overlapping
Three tubes of CSF are submitted to the lab. They are numbered 1, 2 and 3. All of the tubes
contain blood but decreasing in amount as one inspects tubes 1 through 3. This observation
should be interpreted as A traumatic tap
The presence of xanthochromia and an increased D-dimer test in the CSF is indicative of
A cerebral hemorrhage
Damage to the blood-brain barrier by Mycobacterium tuberculosis may cause the CSF to
contain a pellicle or clot
Increased CSF eosinophils are associated with Introduction of foreign material
The normal CSF protein is 15-45 mg/dL
, Urinalysis and Body Fluids Ch. 10-15 Test
Review Questions With Solutions
The normal CSF glucose is 60-70% of the plasma glucose
Measurement of CSF lactate is useful in monitoring cases of Bacterial meningitis
Normal CSF protein differs from serum protein by the Absence of fibrinogen
The primary cause of decrease CSF glucose in bacterial meningitis is Alteration of blood-
brain glucose transport
Oligoclonal bands are significant in the diagnosis of multiple sclerosis when Seen in the
CSF not serum
Gram stains performed on CSF specimens are of value in the detection of bacterial and
fungal meningitis
Specimens from patients suspected of having fungal meningitis should be tested with
Gram stain and india ink