REVIEWED QUESTIONS AND ANSWERS FOR (AAB MT) BASIC KNOWLEDGE

REVIEWED QUESTIONS AND ANSWERS FOR (AAB MT) BASIC KNOWLEDGE 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 ANSWERAnnually 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-MilliWhat 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 ANSWERFetal fibronectin What federal legislation regulates most clinical laboratories? - CORRECT ANSWERClinical 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 ANSWERTranscription 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 ANSWERFlammable 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 All of the following are job duties of testing personnel: - CORRECT ANSWER-Inventory control, equipment maintenance, and accuracy of reported results Which one of the following is not required to be kept in the employee's personnel records? - CORRECT ANSWER-Continuing education documents? All of the following are required to be kept in the employee's personnel records: - CORRECT ANSWER-Job competency training checklist, remedial action documentation, and annual performance appraisal. Which one of the following statements concerning CEUs is false? - CORRECT ANSWER-CEUs are mandated by the College of American Pathologists Who is responsible for monitoring trends for corrected reports in the laboratory? - CORRECT ANSWER-Quality assurance Which federal law requires that the competency of laboratory personnel be documented? - CORRECT ANSWER-CLIA Tracking and trending customer complaints concerning the laboratory is a responsibility of which area? - CORRECT ANSWER-Quality assurance Which federal agency issues regulations to ensure employee safety? - CORRECT ANSWER-Occupational Safety and Health Administration (OSHA) OSHA Hazard Communication Standard requires original container labels to contain all of the following information EXCEPT which one? - CORRECT ANSWER-Emergency telephone number OSHA Hazard Co