LABORATORY DIAGNOSTIC ACTUAL EXAM 2025-2026
LATEST VERSION WITH UPDATED QUESTIONS AND
ACCURATE DETAILED ANSWERS \VERIFIED 100%
GRADED A+||LATEST UPDATE
An example of organized B
sediment in urine includes
which of the following?
A. crystals
B. bacteria
C. bilirubin
D. uric acid
E. amorphous urate
Unorganized sediment in C
urine includes which of the
following?
A. RBCs
B. spermatozoa
C. crystals
D. bacteria
E. yeast
Which abnormal casts seen in D
a urine specimen would
indicate severe renal
disease?
A. RBC casts
B. WBC casts
C. renal tubular epithelial casts
D. waxy casts
E. granular casts
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,8/12/25, 8:28 PM Laboratory Diagnostics
Which of the following A
sites is most commonly
used in venipuncture
to withdraw blood?
A. median cubital vein
B. femoral vein
C. median radial vein
D. basilica vein
E. median venule
The female normal value E
range for a hematocrit
reading is:
A. 32% to 41%
B. 20% to 35%
C. 42% to 52%
D. 40% to 45%
E. 37% to 47%
Blood would be used for C
___________________ testing
if it
was collected in a vacuum
tube containing no
additive.
A. hematology tests
B. electrolyte studies
C. blood chemistries
D. arterial blood gases
E. blood counts
Blood would be used for A
___________________ testing
if it
was collected in a vacuum
tube containing EDTA.
A. hematology tests
B. blood chemistries
C. coagulation studies
D. lactic analysis
E. immunohematology
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,8/12/25, 8:28 PM Laboratory Diagnostics
Which blood type is D
considered the universal
recipient?
A. O positive
B. O negative
C. AB positive
D. AB negative
E. none of the answers
The __ on an ECG reflects the C
depolarization of the atria of
the heart.
A. QRS wave
B. P-R interval
C. P wave
D. T wave
E. U wave
The _ on an ECG reflects E
ventricular
heart depolarization.
A. T wave
B. U wave
C. P-R interval
D. P wave
E. QRS wave
The universal standard B
speed for recording an ECG
is:
A. 20 mm/second
B. 25 mm/second
C. 30 mm/second
D. 35 mm/second
E. 40 mm/second
The __ is the pacemaker of the A
heart.
A. (SA) sinoatrial node
B. (LB) left bundle branch
C. (BH) bundle of His
D. (AV) atrioventricular node
E. (TV) tricuspid valve
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, 8/12/25, 8:28 PM Laboratory Diagnostics
What is the purpose of B
performing a specific
gravity on a urine sample?
A. It determines whether the
patient's diet is high in fat.
B. It measures its density
when compared with
distilled water.
C. It screens for
glomerulonephritis.
D. It detects the presence of
nitrate in the urine.
E. It evaluates liver function.
Which of the following ensures C
test result accuracy by
monitoring the test
procedures performed in the
medical office.
A. (MSDS) material safety data
sheets
B. OSHA regulations
C. quality control program
D. Medical Practice Acts
E. universal precautions
Which of the following B
commonly used
disinfectants is used in the
medical field and found
to be effective against
bloodborne pathogens?
A. radiation
B. bleach
C. dry heat
D. ethylene oxide
E. steam
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