Urinalysis and body fluids Exam With Verified Questions and Answers
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Urinalysis and Body Fluids
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Urinalysis And Body Fluids
Urinalysis and body fluids Exam With
Verified Questions and Answers
A 3-year old girl was brought to the ER with a temperature of 103ºF, lethargy, and cervical
rigidity. Three tubes of cloudy CSF were delivered to the Lab, and preliminary test results
showed:
WBC: 4,500/μL Differential: 88% ...
Urinalysis and body fluids Exam With
Verified Questions and Answers
A 3-year old girl was brought to the ER with a temperature of 103ºF, lethargy, and cervical
rigidity. Three tubes of cloudy CSF were delivered to the Lab, and preliminary test results
showed:
WBC: 4,500/µL Differential: 88% neutrophilsGlucose: 15 mg/dL 12% lymphocytesProtein: 140
mg/dLGram stain: No organisms observed
From these results, what preliminary diagnosis SHOULD the physician consider? -
answer✔✔bacterial meningitis
What is the MOST probable condition when a clean-catch urine specimen gave these
results:Appearance = cloudy, amber
pH 5.0Specific Gravity = 1.015,Protein = 1+Glucose = negativeOccult Blood = traceNitrite =
positive
Microscopic = many bacteria and 30 - 40 WBC/HPF. - answer✔✔urinary tract infection
A spinal fluid that is slightly hazy is briefly examined microscopically. The technologist
performing the count decides to make a 1:10 dilution using 30 µL of sample. What volume of
diluent should be used? - answer✔✔270 uL
Which of the following tests included on a urine reagent strip would never be reported out as
negative? - answer✔✔urobilinogen
Which of the following best defines specific gravity: - answer✔✔The density of a solution
compared to the density of water
Which of the following methods would be used to confirm the presence of Bence-Jones protein
in the urine: - answer✔✔Urine protein electrophoresis or immunoelectrophoresis
The following urine test results were obtained from a 6-month-old African American infant who
experiences vomiting and diarrhea after milk ingestion and has failed to gain weight:
pH: 5.0Protein: NegativeGlucose: NegativeKetones: NegativeBlood: NegativeBilirubin:
NegativeNitrite: NegativeUrobilinogen: 0.1 EU/dLClinitest: 2+
These results are clinically significant in which of the following disorders? -
answer✔✔galactosemia
A technologist decides to make a 1:20 dilution of cerebrospinal fluid (CSF) after briefly
evaluating a portion of the sample microscopically. After making the dilution and charging the
chambers, the number of observed cells in each of the large squares of the hemocytometer is
>100. What should the technologist do to obtain the most accurate count? - answer✔✔make a
larger dilution
Parasites that may be found in urinary sediment include all of the following EXCEPT: -
answer✔✔plasmodium malariae
Fetal lung maturity can be determined from amniotic fluid because the surfactant is
PRIMARILY composed of: - answer✔✔Phosphatidylcholine and other phospholipids
What is the identification of these crystals seen in a urine with an acid pH? - answer✔✔calcium
oxalate
A reagent strip test for hemoglobin has been reported positive. Microscopic examination fails to
yield red blood cells. This patient's urine condition can be called: - answer✔✔hemoglobinuria
Effusion fluids are classified as transudates or exudates. According to Light's criteria, all of the
following applies to an exudate EXCEPT? - answer✔✔Pleural fluid lactate dehydrogenase
(LDH) <2/3 the normal upper limit for serum
Semi-automated and automated urine chemical reagent strip readers: - answer✔✔Remove
subjectivity allowing for better reproducibility
All of the following are methods employed for measuring the specific gravity of urine,
EXCEPT? - answer✔✔Osmolality
When three tubes of cerebrospinal fluid are received in the laboratory they should be distributed
to the various laboratory sections as follows: - answer✔✔#1 Chemistry, #2 Microbiology, #3
Hematology
When a patient has a bile duct obstruction, the bilirubin test portion of the reagent strip is: -
answer✔✔Positive because conjugated bilirubin is present and is excreted by the kidneys.
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