AAB MT Basic Knowledge Questions with 100% Correct Answers | Verified | Latest Update 2025, Exams of Laboratory Practices and Management

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AAB MT Basic Knowledge Questions with

100% Correct Answers | Verified | Latest

Update 2025

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? - ✔✔Milli- What is the calculated cholesterol/HDL ratio given the following results? Cholesterol 225 mg/dL HDL 75 mg/dL - ✔✔225/75= 3. 200 microliters of patient serum is diluted with 800 microliters of saline. What is the final dilution? - ✔✔1: 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^ A 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

Which one of the following is the most common analytical error? - ✔✔Not checking specimen integrity What is the most common post-analytical error? - ✔✔Clerical errors How often must a procedure be reviewed? - ✔✔Annual review is required How often must thermometers be checked against the NIST thermometer? - ✔✔Annually In which manual are the directions for running quality control for a specific assay kept? - ✔✔Operating procedure manual Following equipment maintenance, when is quality control suggested? - ✔✔After any preventative maintenance What is the most common reason for a control value to be outside of 3SD? - ✔✔Random error If one control is outside the 95% confidence limits, then what is the most appropriate remedial action to take initially? - ✔✔Repeat the same control Where should an unopened container of methanol be stored? - ✔✔Flammable safety cabinet After preventative maintenance by field service, which one of the following is recommended? - ✔✔Verification of QC results According to CLIA, who is responsible for specimen processing, test performance, and reporting test results? - ✔✔Testing personnel Which one of the following is NOT a job duty of the testing personnel? - ✔✔Interpretation of highly complex testing

All of the following are job duties of testing personnel: - ✔✔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? - ✔✔Continuing education documents? All of the following are required to be kept in the employee's personnel records: - ✔✔Job competency training checklist, remedial action documentation, and annual performance appraisal. Which one of the following statements concerning CEUs is false? - ✔✔CEUs are mandated by the College of American Pathologists Who is responsible for monitoring trends for corrected reports in the laboratory? - ✔✔Quality assurance Which federal law requires that the competency of laboratory personnel be documented? - ✔✔CLIA Tracking and trending customer complaints concerning the laboratory is a responsibility of which area? - ✔✔Quality assurance Which federal agency issues regulations to ensure employee safety? - ✔✔Occupational Safety and Health Administration (OSHA) OSHA Hazard Communication Standard requires original container labels to contain all of the following information EXCEPT which one? - ✔✔Emergency telephone number OSHA Hazard Communication Standard requires original container labels to contain all of the following information: - ✔✔Product name, warning label, and manufacturer's name and address Which federal agency requires safety training during new employee orientation and annually thereafter? - ✔✔OSHA

Which plan minimizes personnel exposure to hazardous chemicals? - ✔✔Chemical hygiene plan Which bloodborne pathogens are of greatest risk to laboratorians? - ✔✔Hepatitis B and HIV All of the following are components of the OSHA Tuberculosis plan: - ✔✔All employees with patient contact must be fit for respirators, all laboratory employees are required to have PPD skin tests, employees who have had a positive PPD must have an annual chest x-ray exam. All of the following are components of the OSHA Tuberculosis plan EXCEPT: - ✔✔All lab employees are exempt from having fit testing for respirators. When a fire occurs, when should the hospital operator be notified of the fire? - ✔✔After pulling the alarm Which federal agency regulates disposal of biohazardous waste? - ✔✔Environmental protection agency (EPA) Which federal agency regulates facilities that use radioisotopes? - ✔✔Nuclear Regulatory Commission (NRC) Which federal agency regulates the disposal of hazardous chemicals and biohazardous wastes? - ✔✔EPA Which labor law requires an employer to provide reasonable accommodations to a wheechair-bound employee? - ✔✔Americans with Disabilities Act Which federal agency is responsible for enforcing employment discrimination laws? - ✔✔Equal Employment Opportunity Commission (EEOC) Which federal law defines the minimum wage and overtime compensation? - ✔✔Fair Labor Standards Act

Which agency is responsible for enforcing equal pay for equal work? - ✔✔Fair Labor Standards Act (FLSA) Title VII, which prohibits discrimination, is part of which labor law? - ✔✔Civil rights act Which federal agency regulates packaging, labeling, and transportation of biological products? - ✔✔Department of Transportation (DOT) Which law required the Department of Health and Human Services to establish standards for protected health information? - ✔✔Health Insurance Portability and Accountability Act (HIPAA) What do the etched rings on the top of a pipette mean? - ✔✔The last drop is to be blown out after the pipette drains. What is the accuracy of a volumetric pipette? - ✔✔1: What is the term used to describe a 99.95% purified chemical that can be measured directly referred to as? - ✔✔Primary standard What is a solution in which the molecules of solute in the solution are in equilibrium with excess undissolved molecules referred to as? - ✔✔Saturated What is the pH of pure water? - ✔✔7. Which statistical term most specifically describes analytical precision? - ✔✔Coefficient of variation Quality control should be performed and monitored to ensure which one of the following? - ✔✔Reliability

What is the term used to describe material with physical and chemical properties closely resembling the test specimen and containing concentrations of the substance being measured? - ✔✔Control A procedure has a 2SD variation from a mean value. How many values from a normal population will 2SD include? - ✔✔95.45% To produce reliable results, how long should a patient fast before having blood drawn for lipid studies? - ✔✔ 12 - 16 hours How is a 10% bleach solution to disinfect the work area made? - ✔✔100 mL bleach added to 900 mL water Reactivity is what color diamond using the National Fire Protection Agency code? - ✔✔Yellow What is a substance that minimizes any change in hydrogen ion concentration? - ✔✔Buffer Who are the testing personnel for proficiency samples? - ✔✔Any personnel who perform the test(s) Which type of specimen provides the fastest turnaround time? - ✔✔Whole blood If the mean for BUN is 18.0 and one standard deviation is 0.15, then what is the acceptable range for this control? - ✔✔17.7-18.3 mg/dL If the mean for BUN is 18.0 and one standard deviation is 0.13, then what is the coefficient of variation?

• ✔✔.7% = .13/18. The total protein is 7.2 g/dL. The serum protein results are: Albumin 53.0% 3.8 g/dL Alpha1 3.6% 0.3 g/dL Alpha2 11.0% 0.8 g/dL

Beta 17.6% 1.2 g/dL Gamma 14.8% 1.1 g/dL What is the A/G ratio? - ✔✔1.1 = 3.8/(.3+.8+1.2+1.1)