CSMLS -PRACTICE (DR) EXAM
QUESTIONS AND ANSWERS
Which procedure is most appropriate after sectioning intestinal tissue in a cryostat? -
Correct Answers -Decontaminate with alcohol
Which test may be used to identify a short, pale-staining Gram-negative bacilli from a
grey colony on an anaerobic blood plate? - Correct Answers -20% bile
Which physiological mechanism correlates with the given results
(pH: 7.21, pO2: 80 mm Hg,
pCO2: 50 mm Hg,
HCO3-: 20 mmol/L)? - Correct Answers -Hypoventilation
What action should be taken when unable to scan a specimen labeled with a 2D
barcode using the laser scanner? - Correct Answers -Find an image-based scanner
14 ES 13 26 Z7 ZB 29 30 31 32 t2 43 a5 46 47
Carbon: 12.01
Hydrogen: 1.01
Oxygen: 16.00 - Correct Answers -Ethanol (C HCO)
Which blood collection tube is ideally used for potassium analysis? - Correct Answers -
Lithium heparin
What preventative measures should be taken when microchatter is seen on an
hematoxylin and eosin section? - Correct Answers -Decrease dehydration time
What morphological findings may be confused with Plasmodium species? - Correct
Answers -Platelets on top of RBCs,
What procedures must be completed before using a new lot number of partial
thromboplastin time reagent? - Correct Answers -Verify heparin therapeutic range has
been established,
Which social construct is most predictive of future health status? - Correct Answers -
Economic position
, Which condition correlates with the given results: Hgb A%: Hgb F%: Hgb Al%: 83: 2:
15? - Correct Answers -b-thalassemia minor
Where should 41% of acetone be kept? - Correct Answers -Flammable storage cabinet
Which result will be decreased in a patient with hemolytic uremic syndrome? - Correct
Answers -Haptoglobin
What is the effect on sodium quality control results if the calibration standards are over-
diluted? - Correct Answers -A positive shift
Which of the following actions should be taken immediately after the laboratory
implements a new anaerobic collection swab system? - Correct Answers -Survey care
providers to evaluate the change
Which of the following explanations best describes these results?
Day 1 at 0800 HGB 142 g/L
Day 6 at 08:00 HGB 184 g/L - Correct Answers -The patient is dehydrated
Which of the following actions is an example of safe work practice while using a BSC? -
Correct Answers -Perform operations as far to the rear as possible
Which of the following parameters do blood culture instruments monitor to indicate the
growth of bacteria? - Correct Answers -Carbon dioxide
What is the greatest source of error in point-of-care testing? - Correct Answers -Pre-
analytical error
What is the diagnostic specificity for the data given below?
Assay is negative
True negative: 4
False negative: 9
Assay is positive
False positive: 4
True positive: 41 - Correct Answers -92%
Which of the following actions should be completed when blood culture specimens are
being improperly collected? - Correct Answers -Evaluate the collection process
A bronchial washing specimen for routine bacterial, fungal and acid-fast culture was
received. The sample volume is insufficient to perform all the requested tests. Which of
the following actions should be performed? - Correct Answers -Call the clinician to
establish the priorities for culture
QUESTIONS AND ANSWERS
Which procedure is most appropriate after sectioning intestinal tissue in a cryostat? -
Correct Answers -Decontaminate with alcohol
Which test may be used to identify a short, pale-staining Gram-negative bacilli from a
grey colony on an anaerobic blood plate? - Correct Answers -20% bile
Which physiological mechanism correlates with the given results
(pH: 7.21, pO2: 80 mm Hg,
pCO2: 50 mm Hg,
HCO3-: 20 mmol/L)? - Correct Answers -Hypoventilation
What action should be taken when unable to scan a specimen labeled with a 2D
barcode using the laser scanner? - Correct Answers -Find an image-based scanner
14 ES 13 26 Z7 ZB 29 30 31 32 t2 43 a5 46 47
Carbon: 12.01
Hydrogen: 1.01
Oxygen: 16.00 - Correct Answers -Ethanol (C HCO)
Which blood collection tube is ideally used for potassium analysis? - Correct Answers -
Lithium heparin
What preventative measures should be taken when microchatter is seen on an
hematoxylin and eosin section? - Correct Answers -Decrease dehydration time
What morphological findings may be confused with Plasmodium species? - Correct
Answers -Platelets on top of RBCs,
What procedures must be completed before using a new lot number of partial
thromboplastin time reagent? - Correct Answers -Verify heparin therapeutic range has
been established,
Which social construct is most predictive of future health status? - Correct Answers -
Economic position
, Which condition correlates with the given results: Hgb A%: Hgb F%: Hgb Al%: 83: 2:
15? - Correct Answers -b-thalassemia minor
Where should 41% of acetone be kept? - Correct Answers -Flammable storage cabinet
Which result will be decreased in a patient with hemolytic uremic syndrome? - Correct
Answers -Haptoglobin
What is the effect on sodium quality control results if the calibration standards are over-
diluted? - Correct Answers -A positive shift
Which of the following actions should be taken immediately after the laboratory
implements a new anaerobic collection swab system? - Correct Answers -Survey care
providers to evaluate the change
Which of the following explanations best describes these results?
Day 1 at 0800 HGB 142 g/L
Day 6 at 08:00 HGB 184 g/L - Correct Answers -The patient is dehydrated
Which of the following actions is an example of safe work practice while using a BSC? -
Correct Answers -Perform operations as far to the rear as possible
Which of the following parameters do blood culture instruments monitor to indicate the
growth of bacteria? - Correct Answers -Carbon dioxide
What is the greatest source of error in point-of-care testing? - Correct Answers -Pre-
analytical error
What is the diagnostic specificity for the data given below?
Assay is negative
True negative: 4
False negative: 9
Assay is positive
False positive: 4
True positive: 41 - Correct Answers -92%
Which of the following actions should be completed when blood culture specimens are
being improperly collected? - Correct Answers -Evaluate the collection process
A bronchial washing specimen for routine bacterial, fungal and acid-fast culture was
received. The sample volume is insufficient to perform all the requested tests. Which of
the following actions should be performed? - Correct Answers -Call the clinician to
establish the priorities for culture
