Clinical II Lab Practical – Lab supplies and Procedures Practice Test

These questions are part of the practice quiz. Start practicing

• Which of the following methods correctly describes a 1:10 dilution?
• What is the correct immersion oil practice for the 100X objective?
• Where is the counting region located in a feathered edge smear?
• How do you calculate relative centrifugal force (RCF) from RPM and rotor radius?
• What device is used to time the Buccal Mucosal Bleeding Time?
• In a WBC differential, how are cell types reported?
• What is a listed tip for performing observations at 10x magnification?
• Which statement distinguishes calibrators from controls?
• During Buccal Mucosal Bleeding Time, at what interval should you blot the blood drop?
• What is the cell arrangement of the monolayer?
• Under which objective is sediment examined in Modified Knott's technique?
• What is the correct method to remove immersion oil from the 100X objective?
• What are Westgard rules and how do they help monitor assay performance?
• Which device measures the refractive index of a solution?
• What range defines an adequate average platelets per field?
• If MCHC/MCH is smaller, the cells are described as?
• For TP measurement using a refractometer, how is the reading taken?
• Which method(s) can be used to tally during a WBC differential?
• Which staining method is commonly used for peripheral blood smear morphology assessment?
• Which statement about labeling is correct?
• If MCHC/MCH is normal, cells are what?
• Which practice helps prevent contamination when aliquoting reagents for storage?
• Which item removes micro-debris in whole blood and cryoprecipitates?
• Which is an example of a pre-analytical error during specimen handling?
• Which item is not typically included in a spill kit?
• How is a Class II biosafety cabinet used for sterile microbiology work, and what maintenance is required?
• What is the normal TP value for young mammals?
• How do you safely aliquot serum from a clotted whole blood sample without disturbing the clot?
• Which device is described as being used to calculate PCV of a blood sample?
• After the final staining step in Diff-Quik staining, what should you do?
• Which formula calculates MCH?
• What is the function of a Blood donor bag without anticoagulant?
• How should sharps and infectious waste be disposed of in the lab?
• What is the correct order of draw for routine venipuncture and which additives correspond to each tube color?
• What practices ensure sterile plating when inoculating culture plates?
• How do you interpret a quality control chart and identify when a test run is out of control?
• Which PCV interpretation is associated with dehydration?
• TP reading on the refractometer is reported in which units?
• Blue top blood tube is associated with which test?
• What safety and regulatory precautions must be observed when handling hazardous chemicals used in chemistry analyzers?
• Which term describes red blood cells that are larger than normal?
• Which statement best describes the 10x focusing procedure involving the loop?
• Which storage practice is essential to protect temperature-sensitive reagents from light and minimize freeze-thaw cycles?
• Which of the following is NOT a recommended practice for rotor imbalance management?
• What are typical storage conditions for common clinical reagents?
• Which objective uses the fine focus knob exclusively?
• What material is used to wick away each blood drop during Buccal Mucosal Bleeding Time?
• What should you do with the blood drops as they form during Buccal Mucosal Bleeding Time?
• What is the purpose of the Hemo-Nate syringe filter as defined?
• Which magnifications require focusing with the course knob according to the procedure?
• What is the consequence of storing reagents under improper conditions?
• What is the unit of MCV?
• How should patient posture and collection time be controlled to minimize postural effects on certain analytes?
• What type of field is used to count platelets?
• What is the unit for MCH?
• What is done after staining in Modified Knott's technique?
• In the TP measurement, how is plasma obtained from the hematocrit tube?
• In interpreting an MCV that is smaller than normal, which description applies to the cells?
• What labeling information is required on every specimen tube and where should the label be placed?
• What is the primary purpose of Buccal Mucosal Bleeding Time?
• Which statement about calculating WBC counts is true?
• In counting WBCs for estimation, what magnification is typically used to count WBCs per field?
• How should a specimen be prepared for coagulation testing?
• Hematocrit tubes are used to calculate which measurement in a blood sample?
• A normal Buccal Mucosal Bleeding Time value for dogs is which of the following?
• Which statement describes the staining step in Modified Knott's technique?
• What is the normal PCV/HCT value range for cattle?
• Which instrument is a counting chamber used to estimate cell concentration per microliter?
• Which statement correctly describes gray top tubes and their use?
• Which technique helps avoid air bubbles and inaccurate volumes when drawing up reagent into a micropipette?
• During Diff-Quik staining, how many times should the slide be dipped in each solution?
• Which of the following best prevents mislabeling of specimens at collection?
• In specimen collection, which statement correctly describes the use of sterile swabs?
• The Hemo-Nate syringe filter is used to:
• Which formula calculates MCHC?
• Which item is described as used to calculate PCV of a blood sample?
• Which sterilization methods are appropriate for items that cannot go in an autoclave, and when should they be used?
• Which statement is true regarding WBC differential calculation?
• What steps should be taken when a QC result fails or is out of control?
• What is chain of custody in the clinical laboratory?
• Which device is explicitly described as a PCV calculation tool?
• What is the function of the gel in serum separator tubes?
• Which statement best defines a Blood set in this material?
• Why is maintaining proper temperature during specimen transport critical?
• In a feathered edge preparation, which statement best describes the cell arrangement?
• What is the normal total protein (TP) value for adult mammals?
• How does collection timing affect test results?
• At 4x magnification, which step can be skipped, especially with bacteria?
• Which action is typically taken when documenting QC actions to maintain compliance?
• In quantitative testing, what is the role of calibration and controls?
• What PPE is required for handling uncapped blood specimens and why?
• Which instrument is used as the standard method for keeping track of cell counts in a sample?
• Which lip should be folded back to expose the mucosal surface during Buccal Mucosal Bleeding Time?
• Using PCV 46% and Total RBC count 8 x 10^6/µL, what is the MCV?
• In Modified Knott's technique, what mixture is prepared first?
• In the dog heartworm test procedure, after how many seconds does the sample reach the activation circle?
• Which of the following are considered pre-analytical variables in laboratory testing?
• Which is the correct sequence for performing Buccal Mucosal Bleeding Time?
• What is the cell arrangement of a body smear?
• Lavender top tube description.
• What is the described function of the Blood set?
• Which device is used to count leukocytes during manual counting?
• What is the normal PCV/HCT range for sheep and goats?
• In horses, which PCV range corresponds to hot-blooded animals?
• Which instrument is described as the Standard WBC counting device used to keep track of cells?
• Why label specimens with two identifiers and a date/time, and what could happen if labeling is incorrect?
• Red top tube description.
• Where is the lancet used to incise in this context?
• IDEXX heartworm test for cats is read at how many minutes?
• Describe the steps involved in performing a Gram stain on a bacterial smear.
• PCV reading: capillary tube fill.
• How should temperature-sensitive reagents be stored and protected from light?
• How do you calculate the dilution factor in a serial dilution series and apply it to determine the final concentration?
• When examining urine sediment, which elements are typically evaluated under the microscope?
• If MCHC/MCH is larger, the cells are described as?
• What is the normal PCV/HCT range for canines?
• Lavender top blood tube contains which additive?
• The direct blood smear is used to determine the presence of which parasite form?
• What is the primary function of a hemocytometer in lab practice?
• Compare the pre-analytical handling requirements for whole blood, plasma, and serum specimens.
• Which statement correctly matches the anticoagulant and its typical use in common plasma tubes?
• Which of the following describes a risk of rotor imbalance and how to prevent it?
• Which practice would be considered unsafe during centrifugation?
• What is the normal PCV/HCT range for domestic cats?
• What rpm and time are specified for centrifugation in Modified Knott's technique?
• Which are key elements of aseptic technique in specimen collection for microbiology?
• Which statement about calculating absolute WBC numbers from differential is correct?
• In what unit is hemoglobin concentration recorded when estimated from PCV?
• Why is it essential to maintain a dry and clean workspace during sample handling?
• What are the units for MCHC?
• Which practice most effectively reduces hemolysis during specimen collection?
• Which description best reflects sterile technique for aliquoting reagents?
• In this material, the Lancet is defined as:
• In the cover slip technique, what is the final step?
• If you cannot focus at 100X, what is the recommended sequence?
• When performing WBC differential, at what magnification should you count 100 WBC?
• Heartworm detection: direct smear. What is the first step after collecting a sample?
• What steps constitute a safe centrifugation run, and how do you interpret completion indicators?
• Which device is primarily used to protect the accuracy of cell counts per microliter?
• Which item is used to stain Modified Knott's technique?
• In the dog heartworm test procedure, how many drops of sample are dispensed into a new sample cup?
• Estimated WBC count is calculated by?
• Which methods are used to prepare different types of blood smears?
• In the packed cell volume (PCV) procedure, after centrifugation, which line on the scale indicates the PCV percent?
• Which statement is true about the Blood set?
• Which practice helps minimize hemolysis in a blood specimen?
• Which condition is associated with decreased TP concentration?
• In the push/pull slide technique for preparing a smear, what angle is the spreader slide drawn back into the drop of blood?
• Which anticoagulant is commonly used for complete blood count (CBC) samples?
• When using the 100X objective, which focusing control should you primarily use?
• What is the difference between sterile technique and aseptic technique, and when is each used in the clinical laboratory?
• What are the essential steps to correct a mislabeled specimen and the required documentation?
• What is the first step in the Buccal Mucosal Bleeding Time procedure?
• How would you prepare a 1:10 dilution of a specimen for an assay, and how would you label the dilution?
• Which indicators confirm proper sterilization in an autoclave?
• Which statement best describes the procedure for a basic urinalysis using dipstick testing and sediment examination?
• Westgard rules are used in quality control to:
• What is the primary difference between QA and QC in laboratory testing?
• Green top blood tube is typically used for which type of test?
• What maintenance practices are essential for a Class II biosafety cabinet?
• What objective magnification should be used to examine the heartworm direct smear?
• How is the estimated total red cell count calculated from PCV?
• What safety checks should be performed before starting a centrifuge run?
• How is a standard curve prepared for a spectrophotometric assay?
• Which statement correctly describes estimating WBC count from a smear?
• How many cover slips are needed for the cover slip technique?
• Why is EDTA preferred for complete blood count testing?
• Why insert the capillary end into the clay during PCV?
• In the platelet procedure, how many oil-immersion fields are counted?
• How is hemoglobin concentration estimated from PCV?
• How is a basic pipette accuracy check performed using the gravimetric method?
• Mean Corpuscular Volume (MCV) measures what?
• How is the average platelet count per field calculated in this procedure?
• IDEXX heartworm test results: Dog read at 8 minutes and Cat at 10 minutes.
• What is the purpose of instrument calibration and how often should it be performed?
• Which item is NOT a supply used for Buccal Mucosal Bleeding Time?
• Before starting a centrifuge run, which check is essential?
• Which statement describes a negative IDEXX heartworm result?
• What is the recommended action to maintain sample integrity during transport?
• What steps are involved in preparing a peripheral blood smear and performing a basic cell morphology assessment?
• Which statement correctly matches the item to its function?
• Which statement correctly distinguishes qualitative and quantitative testing as described?
• If a cell is described as normocytic, what does that indicate about MCV?
• What is the correct description of a spill kit's purpose and typical contents?
• Which statement about refractometers is correct?
• Which statement best describes the purpose of a standard curve in quantitative testing?
• Which item is described as 'Blood donor bag: Without anticoagulant' in the notes?
• Tiger top tube description.
• What is the described focusing sequence at 10x magnification?
• In interpreting MCV charts, what does macrocytic indicate?
• In urine sediment preparation, what is the purpose of centrifugation?
• Which statement accurately describes the difference between aseptic and sterile technique, and when each is used?
• Which formula is used to calculate MCV?
• If a PCV is 39%, what is the approximate red cell count?
• How do lipemic, hemolyzed, and icteric samples affect test results?