Body Fluid Analysis

Question 1

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

Answer 1

e. All of the above would be used to confirm a suspected case of
infectious meningitis

Question 2

. 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

Answer 2

e. All of the above

Question 3

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

Answer 3

c. CSF albumin/serum albumin

Question 4

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

Answer 4

e. Cerebral hemorrhage or traumatic tap

Question 5

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

Answer 5

a. Surfactant phospholipid packets

Question 6

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

Answer 6

b. Lymphoma

Question 7

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

Answer 7

e. None of these

Question 8

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

Answer 8

a. Hyaluronic acid

Question 9

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

Answer 9

b. F/P LD ratio of 0.7

Question 10

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

Answer 10

a. Thoracentesis