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MT(AAB) Generalist Examination: Practice Questions

Number of questions: 600

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About the MT(AAB) Generalist exam

The MT(AAB) Generalist examination is for people seeking certification as medical technologists. The exam is set by the AAB Board of Registry (ABOR), the certification board of the AAB (American Association of Bioanalysts).

If you pass the exam and meet ABOR’s education and laboratory training requirements, you earn MT(AAB) Generalist certification, which can help you find a job as a medical technologist.

\begin{examinfo} \begin{tabular}{@{}ll@{}} \faClipboardList & \textbf{Name:} MT(AAB) Generalist exam \\[0.4em] \faCheckSquare & \textbf{Number of questions:} 240 \\[0.4em] \faTasks & \textbf{Exam format:} Multiple choice \\[0.4em] \faClock & \textbf{Time:} 5 hours \\[0.4em] \faSignal & \textbf{Pass score:} 60\%* \\[0.4em] \faCalendar & \textbf{Offered:} 3–4 times per year** \\[0.4em] \faDollarSign & \textbf{Fee:} \$335 (\$115 + \$185 \$35+) \end{tabular} \end{examinfo}

*You must also score 60% on the Basic Knowledge section and 50% on each of the other five sections.

**The exam is offered 3–4 times per year in California and Florida only. In other states, you must contact an approved testing center to arrange an exam date.

About these practice questions

These practice questions will help prepare you for the MT(AAB) Generalist exam.

This page contains 600 practice questions divided into the six sections of the exam: 1. Basic Knowledge, 2. Chemistry, 3. Microbiology, 4. Hematology, 5. Immunology, and 6. Immunohematology.

All questions have been carefully designed to mimic the questions on the real exam, to help you prepare and get a passing grade.

Sections

  1. Basic Knowledge
  2. Chemistry
  3. Microbiology
  4. Hematology
  5. Immunology
  6. Immunohematology

Section 1: Basic Knowledge

1.1) How many grams of sodium chloride are needed to make 300 mL of a 2% m/v solution?
  1. 2 g
  2. 4 g
  3. 6 g
  4. 20 g
Answers are locked. Please click here to buy them. 1.2) What is the formula for calculating a percent w/v solution?
  1. (solute mass / solution mass) × 100
  2. (solute mass / solution volume) × 100
  3. (solution volume / solute mass) × 100
  4. (solution volume / solute volume) × 100
Answers are locked. Please click here to buy them. 1.3) A lab assistant is preparing a serial dilution with eight tubes. The first tube contains a 1/2 dilution. The lab assistant dilutes each following tube to half the concentration of the previous tube. What is the dilution in the eighth tube?
  1. 1/128
  2. 1/256
  3. 1/512
  4. 1/1024
Answers are locked. Please click here to buy them. 1.4) A lab technician adds 0.2 mL of a stock solution to 3.8 mL of diluent. What is the dilution factor?
  1. 4
  2. 5
  3. 19
  4. 20
Answers are locked. Please click here to buy them. 1.5) Which of the following should be included in an employee's personnel file?
  1. Most recent vacation destination
  2. Performance reviews
  3. Political affiliation
  4. Web addresses of the employee's social media profiles
Answers are locked. Please click here to buy them. 1.6) What is the negative log of hydrogen ion concentration known as?
  1. SG
  2. pH
  3. pKa
  4. the T/S constant
Answers are locked. Please click here to buy them. 1.7) Which of these is a zero error?
  1. A blood sample missing a label
  2. A lab technician forgetting a zero when performing a calculation
  3. A thermometer registering 102°C in boiling water instead of 100°C
  4. Scales that give a reading of 1.1 g when nothing is placed on them
Answers are locked. Please click here to buy them. 1.8) Which of these is a post-analytical error?
  1. A hemolyzed specimen
  2. An empty collection tube
  3. Incorrect information on the test request
  4. Results reported in the wrong units
Answers are locked. Please click here to buy them. 1.9) Which of these situations would cause random errors?
  1. Reading liquid volumes from different angles
  2. Using a balance that was not zeroed before use
  3. Using a scale that always reads 10 g too low
  4. Using a thermometer that always reads 2°C too high
Answers are locked. Please click here to buy them. 1.10) What is the term for when readings become consistently lower or higher over time?
  1. Calibration
  2. Drift
  3. Offset error
  4. Unpredictability
Answers are locked. Please click here to buy them. 1.11) Which of these is a pre-analytical error?
  1. Calculating test results incorrectly
  2. Interpreting results incorrectly
  3. Mislabeling a blood specimen
  4. Reporting a result on the wrong patient
Answers are locked. Please click here to buy them. 1.12) Random error mainly affects:
  1. accuracy
  2. external validity
  3. internal validity
  4. precision
Answers are locked. Please click here to buy them. 1.13) What kind of chart is a graphical presentation of run-to-run or day-to-day quality control values?
  1. Eadie-Hofstee
  2. Hanes-Woolf
  3. Levey-Jennings
  4. Lineweaver-Burk
Answers are locked. Please click here to buy them. 1.14) Where would you find the instructions for running quality controls for a specific assay?
  1. Laboratory quality manual
  2. Safety data sheet
  3. Safety manual
  4. Standard operating procedure
Answers are locked. Please click here to buy them. 1.15) Which federal agency provides calibration services for thermometers?
  1. American Association for Clinical Chemistry (AACC)
  2. American Clinical Laboratory Association (ACLA)
  3. Department of Energy (DOE)
  4. National Institute of Standards and Technology (NIST)
Answers are locked. Please click here to buy them. 1.16) The systematic monitoring and evaluation of the entire laboratory testing process is an aspect of:
  1. corporate compliance
  2. critical thinking
  3. quality assurance
  4. risk management
Answers are locked. Please click here to buy them. 1.17) Which picture demonstrates high precision but low accuracy?
  1. A
  2. B
  3. C
  4. D
Answers are locked. Please click here to buy them. 1.18) If the same test is repeated several times and always gives the same result, the test is:
  1. accurate
  2. reliable
  3. valid
  4. variable
Answers are locked. Please click here to buy them. 1.19) How is diagnostic sensitivity calculated?
  1. False negatives / (false negatives + true positives)
  2. False positives / (false positives + true negatives)
  3. True negatives / (true negatives + false positives)
  4. True positives / (true positives + false negatives)
Answers are locked. Please click here to buy them.

Section 2: Chemistry

Section 3: Microbiology

Section 4: Hematology

Section 5: Immunology

Section 6: Immunohematology

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