AAB MT BASIC KNOWLEDGE QUESTIONS
WITH 100% CORRECT ANSWERS
What agency approves new test methodologies, instruments, and reagents before they are available for
purchase by consumers? - correct answer -FDA
How often should biological safety hoods be inspected? - correct answer -Annually
What is the minimum number of standards required for a standard curve? - correct answer -3
What is the maximum magnification using a brightfield microscope? - correct answer -1000X
What is the most accurate pipette for reconstituting control material? - correct answer -Glass volumetric
pipettes
Which unit of measure refers to 10^-3? - correct answer -Milli-
What is the calculated cholesterol/HDL ratio given the following results?
Cholesterol 225 mg/dL
HDL 75 mg/dL - correct answer -225/75= 3.00
200 microliters of patient serum is diluted with 800 microliters of saline. What is the final dilution? -
correct answer -1:5
What is the calculated LDL cholesterol given the following lipid profile results?
Triglycerides 190 mg/dL
Cholesterol 225 mg/dL
HDL 75 mg/dL - correct answer -LDL = Total cholesterol - HDL - (TG/5)
112 = 225 - 75 - (190/5)
How is relative centrifugal force calculated? - correct answer -1.18 x 10^-5 x r x rpm^2
A chain of custody is required for all of the following: - correct answer -Legal blood alcohol, pre-
employment drug screen, and paternity testing
A chain of custody is required for all of the following, EXCEPT: - correct answer -Fetal fibronectin
What federal legislation regulates most clinical laboratories? - correct answer -Clinical Laboratory
Improvement Amendments (CLIA)
What is the level of complexity of most testing performed in clinical laboratories? - correct answer -
Moderately complex
How often does CLIA require clinical laboratories to have inspections? - correct answer -Every 2 years
, Which laboratories are NOT required to participate in proficiency testing? - correct answer -Laboratories
performing waived testing only.
Which proficiency testing (PT) results do not meet the CLIA performance criteria? - correct answer -
Failed the same analyte in two consecutive PT events
Which one of the following is an example of alternate proficiency testing? - correct answer -Split
samples sent to another facility using the same test method.
All of the following are pre-analytical errors except which one? - correct answer -Transcription error
entering a manual result
All of the following are pre-analytical erros: - correct answer -Ordering a lab test under the wrong
patient number, misidentification of a patient, mislabeling an add-on test
Which one of the following is the most common analytical error? - correct answer -Not checking
specimen integrity
What is the most common post-analytical error? - correct answer -Clerical errors
How often must a procedure be reviewed? - correct answer -Annual review is required
How often must thermometers be checked against the NIST thermometer? - correct answer -Annually
In which manual are the directions for running quality control for a specific assay kept? - correct answer
-Operating procedure manual
Following equipment maintenance, when is quality control suggested? - correct answer -After any
preventative maintenance
What is the most common reason for a control value to be outside of 3SD? - correct answer -Random
error
If one control is outside the 95% confidence limits, then what is the most appropriate remedial action to
take initially? - correct answer -Repeat the same control
Where should an unopened container of methanol be stored? - correct answer -Flammable safety
cabinet
After preventative maintenance by field service, which one of the following is recommended? - correct
answer -Verification of QC results
According to CLIA, who is responsible for specimen processing, test performance, and reporting test
results? - correct answer -Testing personnel
Which one of the following is NOT a job duty of the testing personnel? - correct answer -Interpretation
of highly complex testing
WITH 100% CORRECT ANSWERS
What agency approves new test methodologies, instruments, and reagents before they are available for
purchase by consumers? - correct answer -FDA
How often should biological safety hoods be inspected? - correct answer -Annually
What is the minimum number of standards required for a standard curve? - correct answer -3
What is the maximum magnification using a brightfield microscope? - correct answer -1000X
What is the most accurate pipette for reconstituting control material? - correct answer -Glass volumetric
pipettes
Which unit of measure refers to 10^-3? - correct answer -Milli-
What is the calculated cholesterol/HDL ratio given the following results?
Cholesterol 225 mg/dL
HDL 75 mg/dL - correct answer -225/75= 3.00
200 microliters of patient serum is diluted with 800 microliters of saline. What is the final dilution? -
correct answer -1:5
What is the calculated LDL cholesterol given the following lipid profile results?
Triglycerides 190 mg/dL
Cholesterol 225 mg/dL
HDL 75 mg/dL - correct answer -LDL = Total cholesterol - HDL - (TG/5)
112 = 225 - 75 - (190/5)
How is relative centrifugal force calculated? - correct answer -1.18 x 10^-5 x r x rpm^2
A chain of custody is required for all of the following: - correct answer -Legal blood alcohol, pre-
employment drug screen, and paternity testing
A chain of custody is required for all of the following, EXCEPT: - correct answer -Fetal fibronectin
What federal legislation regulates most clinical laboratories? - correct answer -Clinical Laboratory
Improvement Amendments (CLIA)
What is the level of complexity of most testing performed in clinical laboratories? - correct answer -
Moderately complex
How often does CLIA require clinical laboratories to have inspections? - correct answer -Every 2 years
, Which laboratories are NOT required to participate in proficiency testing? - correct answer -Laboratories
performing waived testing only.
Which proficiency testing (PT) results do not meet the CLIA performance criteria? - correct answer -
Failed the same analyte in two consecutive PT events
Which one of the following is an example of alternate proficiency testing? - correct answer -Split
samples sent to another facility using the same test method.
All of the following are pre-analytical errors except which one? - correct answer -Transcription error
entering a manual result
All of the following are pre-analytical erros: - correct answer -Ordering a lab test under the wrong
patient number, misidentification of a patient, mislabeling an add-on test
Which one of the following is the most common analytical error? - correct answer -Not checking
specimen integrity
What is the most common post-analytical error? - correct answer -Clerical errors
How often must a procedure be reviewed? - correct answer -Annual review is required
How often must thermometers be checked against the NIST thermometer? - correct answer -Annually
In which manual are the directions for running quality control for a specific assay kept? - correct answer
-Operating procedure manual
Following equipment maintenance, when is quality control suggested? - correct answer -After any
preventative maintenance
What is the most common reason for a control value to be outside of 3SD? - correct answer -Random
error
If one control is outside the 95% confidence limits, then what is the most appropriate remedial action to
take initially? - correct answer -Repeat the same control
Where should an unopened container of methanol be stored? - correct answer -Flammable safety
cabinet
After preventative maintenance by field service, which one of the following is recommended? - correct
answer -Verification of QC results
According to CLIA, who is responsible for specimen processing, test performance, and reporting test
results? - correct answer -Testing personnel
Which one of the following is NOT a job duty of the testing personnel? - correct answer -Interpretation
of highly complex testing
