AAB MT FINAL STUDY GUIDE Questions with Correct Answers
(Grade A+)
Question 1: How often should biological safety hoods be inspected?
Answer: Annually
Question 2: What is the minimum number of standards required for a standard curve?
Answer: 3
Question 3: What is the maximum magnification using a brightfield microscope?
Answer: 1000X
Question 4: What is the most accurate pipette for reconstituting control material?
Answer: Glass volumetric pipettes
Question 5: Which unit of measure refers to 10^-3?
Answer: Milli-
Question 6: What is the calculated cholesterol/HDL ratio given the following results? Cholesterol 225
mg/dL HDL 75 mg/dL
Answer: 225/75= 3.00
Question 7: 200 microliters of patient serum is diluted with 800 microliters of saline. What is the final
dilution?
Answer: 1:5
Question 8: What is the calculated LDL cholesterol given the following lipid profile results?
Triglycerides 190 mg/dL Cholesterol 225 mg/dL HDL 75 mg/dL
Answer: LDL = Total cholesterol - HDL - (TG/5) 112 = 225 - 75 - (190/5)
Question 9: How is relative centrifugal force calculated?
Answer: 1.18 x 10^-5 x r x rpm^2
Question 10: A chain of custody is required for all of the following:
Answer: Legal blood alcohol, pre-employment drug screen, and paternity testing
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, Question 11: A chain of custody is required for all of the following, EXCEPT:
Answer: Fetal fibronectin
Question 12: What federal legislation regulates most clinical laboratories?
Answer: Clinical Laboratory Improvement Amendments (CLIA)
Question 13: What is the level of complexity of most testing performed in clinical laboratories?
Answer: Moderately complex
Question 14: How often does CLIA require clinical laboratories to have inspections?
Answer: Every 2 years
Question 15: Which laboratories are NOT required to participate in proficiency testing?
Answer: Laboratories performing waived testing only.
Question 16: Which proficiency testing (PT) results do not meet the CLIA performance criteria?
Answer: Failed the same analyte in two consecutive PT events
Question 17: Which one of the following is an example of alternate proficiency testing?
Answer: Split samples sent to another facility using the same test method.
Question 18: All of the following are pre-analytical errors except which one?
Answer: Transcription error entering a manual result
Question 19: All of the following are pre-analytical erros:
Answer: Ordering a lab test under the wrong patient number, misidentification of a patient, mislabeling an
add-on test
Question 20: Which one of the following is the most common analytical error?
Answer: Not checking specimen integrity
Question 21: What is the most common post-analytical error?
Answer: Clerical errors
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(Grade A+)
Question 1: How often should biological safety hoods be inspected?
Answer: Annually
Question 2: What is the minimum number of standards required for a standard curve?
Answer: 3
Question 3: What is the maximum magnification using a brightfield microscope?
Answer: 1000X
Question 4: What is the most accurate pipette for reconstituting control material?
Answer: Glass volumetric pipettes
Question 5: Which unit of measure refers to 10^-3?
Answer: Milli-
Question 6: What is the calculated cholesterol/HDL ratio given the following results? Cholesterol 225
mg/dL HDL 75 mg/dL
Answer: 225/75= 3.00
Question 7: 200 microliters of patient serum is diluted with 800 microliters of saline. What is the final
dilution?
Answer: 1:5
Question 8: What is the calculated LDL cholesterol given the following lipid profile results?
Triglycerides 190 mg/dL Cholesterol 225 mg/dL HDL 75 mg/dL
Answer: LDL = Total cholesterol - HDL - (TG/5) 112 = 225 - 75 - (190/5)
Question 9: How is relative centrifugal force calculated?
Answer: 1.18 x 10^-5 x r x rpm^2
Question 10: A chain of custody is required for all of the following:
Answer: Legal blood alcohol, pre-employment drug screen, and paternity testing
Page 1
, Question 11: A chain of custody is required for all of the following, EXCEPT:
Answer: Fetal fibronectin
Question 12: What federal legislation regulates most clinical laboratories?
Answer: Clinical Laboratory Improvement Amendments (CLIA)
Question 13: What is the level of complexity of most testing performed in clinical laboratories?
Answer: Moderately complex
Question 14: How often does CLIA require clinical laboratories to have inspections?
Answer: Every 2 years
Question 15: Which laboratories are NOT required to participate in proficiency testing?
Answer: Laboratories performing waived testing only.
Question 16: Which proficiency testing (PT) results do not meet the CLIA performance criteria?
Answer: Failed the same analyte in two consecutive PT events
Question 17: Which one of the following is an example of alternate proficiency testing?
Answer: Split samples sent to another facility using the same test method.
Question 18: All of the following are pre-analytical errors except which one?
Answer: Transcription error entering a manual result
Question 19: All of the following are pre-analytical erros:
Answer: Ordering a lab test under the wrong patient number, misidentification of a patient, mislabeling an
add-on test
Question 20: Which one of the following is the most common analytical error?
Answer: Not checking specimen integrity
Question 21: What is the most common post-analytical error?
Answer: Clerical errors
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