Body Fluid Analysis
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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
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
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
c. CSF albumin/serum albumin
A red CSF indicates a. Cerebral hemorrhage b. Traumatic tap c. Bacterial meningitis d. Viral meningitis e. Cerebral hemorrhage or traumatic tap
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. Surfactant phospholipid packets
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
b. Lymphoma
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
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
a. Hyaluronic acid
An exudative pleural effusion would exhibit which of the following laboratory results? a. F/P total protein ratio of 0.4 b. F/P LD ratio of 0.7 c. Fluid cholesterol of 35 mg/dL d. F/P cholesterol ratio of 0.1 e. F/P bilirubin ratio of 0.3
b. F/P LD ratio of 0.7
Pleural fluid is collected via a. Thoracentesis b. Paracentesis c. Pericardiocentesis d. Spinal tap e. None of the above
a. Thoracentesis