Chapter 29

Clinical chemistry laboratory testing for the assessment of infectious meningitis may include all of the following tests on a CSF sample EXCEPT a. Glucose. b. Total protein. c. Lactate. d. Glutamine. e. All of the above would be used to confirm a suspected case of infectious meningitis.

Cerebrospinal fluid performs which of the following functions? a. Buoyant cushion for the brain b. Supplies nutrients to the central nervous system c. Removes wastes d. Intracerebral and extracerebral transport e. All of the above

Assessing the integrity of the blood-brain barrier can be accomplished using which of the following ratios? a. CSF IgG/CSF albumin b. CSF albumin/CSF IgG c. CSF albumin/serum albumin d. Serum albumin/CSF albumin e. CSF total protein/serum total protein

A red CSF indicates a. Cerebral hemorrhage b. Traumatic tap c. Bacterial meningitis d. Viral meningitis e. Cerebral hemorrhage or traumatic tap

Lamellar body counts indicate a. Surfactant phospholipid packets b. A ratio of lecithin to sphingomyelin c. Direct measure of phosphatidylglycerol levels d. Amniotic fluid bilirubin levels e. Meconium count of the fetus

A transudate could be caused by all of the following EXCEPT a. Congestive heart failure b. Lymphoma c. Renal failure d. Hepatic cirrhosis e. Nephrotic syndrome

CF is characterized by a. Elevated sweat chloride levels b. Homozygous expression of an autosomal recessive trait c. Pancreatic insufficiency d. All of these e. None of these

The high viscosity characteristic of normal synovial fluid samples is caused by a. Hyaluronic acid b. Hyaluronidase c. Elevated white blood cell counts d. The presence of crystals e. All of the above

Pleural fluid is collected via a. Thoracentesis b. Paracentesis c. Pericardiocentesis d. Spinal tap e. None of the above