AAB MT Basic Knowledge Exam Questions With Complete Solutions.

What agency approves new test methodologies, instruments, and reagents before they are available for purchase by consumers? - FDA How often should biological safety hoods be inspected? - Annually What is the minimum number of standards required for a standard curve? - 3 What is the maximum magnification using a brightfield microscope? - 1000X What is the most accurate pipette for reconstituting control material? - Glass volumetric pipettes Which unit of measure refers to 10^-3? - MilliWhat is the calculated cholesterol/HDL ratio given the following results? Cholesterol 225 mg/dL HDL 75 mg/dL - 225/75= 3.00 200 microliters of patient serum is diluted with 800 microliters of saline. What is the final dilution? - 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 - LDL = Total cholesterol - HDL - (TG/5) 112 = 225 - 75 - (190/5) How is relative centrifugal force calculated? - 1.18 x 10^-5 x r x rpm^2A chain of custody is required for all of the following: - Legal blood alcohol, pre-employment drug screen, and paternity testing A chain of custody is required for all of the following, EXCEPT: - Fetal fibronectin What federal legislation regulates most clinical laboratories? - Clinical Laboratory Improvement Amendments (CLIA) What is the level of complexity of most testing performed in clinical laboratories? - Moderately complex How often does CLIA require clinical laboratories to have inspections? - Every 2 years Which laboratories are NOT required to participate in proficiency testing? - Laboratories performing waived testing only. Which proficiency testing (PT) results do not meet the CLIA performance criteria? - Failed the same analyte in two consecutive PT events Which one of the following is an example of alternate proficiency testing? - Split samples sent to another facility using the same test method. All of the following are pre-analytical errors except which one? - Transcription error entering a manual result All of the following are pre-analytical erros: - Ordering a lab test under the wrong patient number, misidentification of a patient, mislabeling an add-on test