CSMLS PRACTICE EXAM #1 QUESTIONS
AND ANSWERS (GRADED A)
Where should urine test strips be stored? - Correct Answers -Dark, dry location
Which of the following disorders correlates with the results given below?
PT: 11.0 seconds
PTT: 62.5 seconds - Correct Answers -Lupus anticoagulant
Which of the following procedures must be completed before using a new lot number of
prothrombin time reagent? - Correct Answers -Establish a geometric mean
Which of the following actions demonstrates the best way to reduce repetitive injury
when pipetting? - Correct Answers -Alternate pipetting with other tasks
What test should be performed next to confirm the identification of urine culture
organisms given the results below?
Opaque and smooth colonies on CNA
Gram positive cocci
Catalase +
Slide coagulase -
tube coagulase - - Correct Answers -Novobiocin disk test
Which of the following positive urine reagent strip tests correlates with a UTI due to
Enterobacteriaceae? - Correct Answers -Leukocyte and nitrite
Which of the following red blood cell morphological findings could invalidate an
automated white blood cell count? - Correct Answers -Long, dense RBCs with pointed
ends
Which of the following conditions is most consistent with the following results?
Bone marrow cytogenetics: t(9;22) positive
Peripheral blood blasts: 14% - Correct Answers -Accelerated phase of chronic
myelogenous leukemia
What is the osmolality (mOsm/kg) of a 1 mol/L solution of potassium chloride in 1 kg of
water? - Correct Answers -2000
,Which of the follow quality control results is accepted for Thayer-Martin agar? - Correct
Answers -Neisseria sicca: Inhibited
Which of the following actions should be taken first when a technologist discovers a co-
worker has released an incorrect report? - Correct Answers -Notify the appropriate
health care practitioner
What turnaround time should be monitored to assess the effectiveness of a newly
installed pneumatic tube system? - Correct Answers -Pre-analytical
Which of the follow leukemias is consistent with these results?
WBC: 55 x 10⁹/L
Blast cells: 85%
Inclusions: Fused primary granules present - Correct Answers -Acute myeloid
What may occur if a bacterial suspension equivalent to 0.75 McFarland is used for
antimicrobial susceptibility testing? - Correct Answers -Minimum inhibitor concentrations
will be falsely increased
Which of the following actions constitutes a violation of the CSMLS professional code of
ethics? - Correct Answers -Refusal to perform phlebotomy because the patient is HIV
positive
Which of the following factors can cause quality control organisms to show larger than
acceptable zone sizes with performing a disc diffusion susceptibility test? - Correct
Answers -Inoculum too light
Which of the following actions should be taken when a technologist is frustrated at
having to consistently explain their profession to other healthcare professionals? -
Correct Answers -Participate on an interprofessional team
What is the systematic approach to reviewing a task or job to identify hazards? - Correct
Answers -Risk assessment
What is the effect on sodium quality control results if the calibration standards are over-
diluted? - Correct Answers -A positive shift
What anticoagulant is used for blood culture collection? - Correct Answers -SPS
Which of the following situations will cause mast cells to turn blue during metachromatic
staining? - Correct Answers -Alcohol used in dehydration
Which of the following actions will correct the tissue ribbon from curving? - Correct
Answers -Repositioning to a different area of the blade cutting edge
, Which of the following actions should be taken when 3+ microcytes are seen in the
smear and the MCV is 98fL? - Correct Answers -Make a new smear
Which of the following tests requires a patient to follow a red-meat-free diet 3 days prior
to the test? - Correct Answers -Fecal occult blood
Which of the following actions should be taken when an unlabeled bone specimen is
received for a STAT gram stain? - Correct Answers -Contact the physician to identify
the specimen
Which of the following CBC results has the highest priority? - Correct Answers -Hgb 50
g/L and PLT 25 x 10⁹/L
Which of the following conditions may account for the results below?
PT: 13s
aPTT: 90s
Mixing study: Not corrected - Correct Answers -Unfractionated heparin therapy
Which of the following specimens should be processed first in the microbiology
laboratory? - Correct Answers -Surgical tissue
Which of the following statements best explains the hemostasis interference given
below?
Unconjugated bilirubin: Increased
Free hemoglobin: Present
Methemoglobin: Increased - Correct Answers -Light transmittance is being impeded by
the plasma colour
Which of the following situations may result in a cellular distortion during
cytocentrifugation? - Correct Answers -High cell count specimens
Which of the following is the correct order of actions to take given the QC results below?
Hgb target mean → QC result
L1: 40 + 5 g/L → 38g/L
L2: 120 + 10 g/L → 109 g/L
L3: 165 + 20 g/L → 130 g/L - Correct Answers -Repeat QC, assay new controls, use
fresh reagent, calibrate
Which of the following determinants of health is socially constructed? - Correct Answers
-Gender
Which of the following procedures should be used when disposing of a used microtome
knife blade? - Correct Answers -Use forceps to handle the blade and place in sharps
AND ANSWERS (GRADED A)
Where should urine test strips be stored? - Correct Answers -Dark, dry location
Which of the following disorders correlates with the results given below?
PT: 11.0 seconds
PTT: 62.5 seconds - Correct Answers -Lupus anticoagulant
Which of the following procedures must be completed before using a new lot number of
prothrombin time reagent? - Correct Answers -Establish a geometric mean
Which of the following actions demonstrates the best way to reduce repetitive injury
when pipetting? - Correct Answers -Alternate pipetting with other tasks
What test should be performed next to confirm the identification of urine culture
organisms given the results below?
Opaque and smooth colonies on CNA
Gram positive cocci
Catalase +
Slide coagulase -
tube coagulase - - Correct Answers -Novobiocin disk test
Which of the following positive urine reagent strip tests correlates with a UTI due to
Enterobacteriaceae? - Correct Answers -Leukocyte and nitrite
Which of the following red blood cell morphological findings could invalidate an
automated white blood cell count? - Correct Answers -Long, dense RBCs with pointed
ends
Which of the following conditions is most consistent with the following results?
Bone marrow cytogenetics: t(9;22) positive
Peripheral blood blasts: 14% - Correct Answers -Accelerated phase of chronic
myelogenous leukemia
What is the osmolality (mOsm/kg) of a 1 mol/L solution of potassium chloride in 1 kg of
water? - Correct Answers -2000
,Which of the follow quality control results is accepted for Thayer-Martin agar? - Correct
Answers -Neisseria sicca: Inhibited
Which of the following actions should be taken first when a technologist discovers a co-
worker has released an incorrect report? - Correct Answers -Notify the appropriate
health care practitioner
What turnaround time should be monitored to assess the effectiveness of a newly
installed pneumatic tube system? - Correct Answers -Pre-analytical
Which of the follow leukemias is consistent with these results?
WBC: 55 x 10⁹/L
Blast cells: 85%
Inclusions: Fused primary granules present - Correct Answers -Acute myeloid
What may occur if a bacterial suspension equivalent to 0.75 McFarland is used for
antimicrobial susceptibility testing? - Correct Answers -Minimum inhibitor concentrations
will be falsely increased
Which of the following actions constitutes a violation of the CSMLS professional code of
ethics? - Correct Answers -Refusal to perform phlebotomy because the patient is HIV
positive
Which of the following factors can cause quality control organisms to show larger than
acceptable zone sizes with performing a disc diffusion susceptibility test? - Correct
Answers -Inoculum too light
Which of the following actions should be taken when a technologist is frustrated at
having to consistently explain their profession to other healthcare professionals? -
Correct Answers -Participate on an interprofessional team
What is the systematic approach to reviewing a task or job to identify hazards? - Correct
Answers -Risk assessment
What is the effect on sodium quality control results if the calibration standards are over-
diluted? - Correct Answers -A positive shift
What anticoagulant is used for blood culture collection? - Correct Answers -SPS
Which of the following situations will cause mast cells to turn blue during metachromatic
staining? - Correct Answers -Alcohol used in dehydration
Which of the following actions will correct the tissue ribbon from curving? - Correct
Answers -Repositioning to a different area of the blade cutting edge
, Which of the following actions should be taken when 3+ microcytes are seen in the
smear and the MCV is 98fL? - Correct Answers -Make a new smear
Which of the following tests requires a patient to follow a red-meat-free diet 3 days prior
to the test? - Correct Answers -Fecal occult blood
Which of the following actions should be taken when an unlabeled bone specimen is
received for a STAT gram stain? - Correct Answers -Contact the physician to identify
the specimen
Which of the following CBC results has the highest priority? - Correct Answers -Hgb 50
g/L and PLT 25 x 10⁹/L
Which of the following conditions may account for the results below?
PT: 13s
aPTT: 90s
Mixing study: Not corrected - Correct Answers -Unfractionated heparin therapy
Which of the following specimens should be processed first in the microbiology
laboratory? - Correct Answers -Surgical tissue
Which of the following statements best explains the hemostasis interference given
below?
Unconjugated bilirubin: Increased
Free hemoglobin: Present
Methemoglobin: Increased - Correct Answers -Light transmittance is being impeded by
the plasma colour
Which of the following situations may result in a cellular distortion during
cytocentrifugation? - Correct Answers -High cell count specimens
Which of the following is the correct order of actions to take given the QC results below?
Hgb target mean → QC result
L1: 40 + 5 g/L → 38g/L
L2: 120 + 10 g/L → 109 g/L
L3: 165 + 20 g/L → 130 g/L - Correct Answers -Repeat QC, assay new controls, use
fresh reagent, calibrate
Which of the following determinants of health is socially constructed? - Correct Answers
-Gender
Which of the following procedures should be used when disposing of a used microtome
knife blade? - Correct Answers -Use forceps to handle the blade and place in sharps
