AMT MLS Medical Laboratory Scientist Vocabulary Game
Exam terms with clues and explanations by OpenExamPrep.
About the AMT MLS Medical Laboratory Scientist Vocabulary Games
4 free word games built on 20 AMT MLS Medical Laboratory Scientist terms across 9 topics. Every game deals terms at random and shows what each term means, so you can keep playing as long as you like.
How to Play
- 1.Read the clue and type the term (3 to 6 letters).
- 2.Green: right spot. Yellow: wrong spot. Gray: not in the term.
- 3.Solve it in 6 tries, then read the explanation.
- 1.Swap two neighboring tiles to line up 3 of the same term.
- 2.Longer lines, two lines at once and chains score more.
- 3.Play until no swap can make a line.
- 1.Flip two cards. A matching pair stays face up.
- 2.Each pair you find shows what the term means.
- 3.Clear the board in as few moves as you can.
- 1.Find each listed term in the letter grid.
- 2.Drag across its letters: across, down or diagonally.
- 3.Find all five as fast as you can.
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Topics in the AMT MLS Medical Laboratory Scientist Vocabulary Game
General laboratory
Chemistry
Hematology
Coagulation
Immunology and serology
Immunohematology
Blood banking
Microbiology
Urinalysis and body fluids
Sources for these terms (18)
- Clinical Laboratory Improvement Amendments (CLIA) · Source checked 2026-11-03
- 1910.1030 - Bloodborne Pathogens · Source checked 2026-11-03
- 1910.1200 - Hazard Communication · Source checked 2026-11-03
- 1.3.5.1. Measures of Location · Source checked 2026-11-03
- Thyroid Tests · Source checked 2026-11-03
- LDL cholesterol - Definition · Source checked 2026-11-03
- Prostate-Specific Antigen (PSA) Test · Source checked 2026-11-03
- Chronic Kidney Disease Tests & Diagnosis · Source checked 2026-11-03
- Blood Tests · Source checked 2026-11-03
- WARFARIN SODIUM- warfarin tablet · Source checked 2026-11-03
- Prothrombin Time Test and INR (PT/INR) · Source checked 2026-11-03
- Rapid Plasma Reagin in Serum, NHANES 2003-2004 · Source checked 2026-11-03
- Anti-Human Globulin Anti-IgG · Source checked 2026-11-03
- RhoGAM and MICRhoGAM · Source checked 2026-11-03
- 21 CFR Part 640 - Additional Standards for Human Blood and Blood Products · Source checked 2026-11-03
- Polymerase Chain Reaction (PCR) Fact Sheet · Source checked 2026-11-03
- Routine Microscopy - KOH Preparation · Source checked 2026-11-03
- Guidance for Over-the-Counter (OTC) Human Chorionic Gonadotropin (hCG) 510(k)s · Source checked 2026-11-03
About the MLS Exam
AMT bachelor's-level generalist clinical laboratory credential. AMT retired the legacy "MT" (Medical Technologist) designation in 2023 and now uses MLS. The current outline has nine domains: general laboratory, chemistry, hematology, coagulation and hemostasis, immunology and serology, immunohematology, blood banking and transfusion, microbiology, and urinalysis and body fluids.
Exam sponsor: AMT. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.
Questions
210 questions
Time Limit
3.5 hours
Passing Score
70 on a 0-100 scale
Reported exam pass rate: 61% in 2025. This describes exam candidates, not OpenExamPrep users or results from using our resources. Exam sponsor website
Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.
Official sources
Frequently Asked Questions
Is the MLS vocabulary game free?
Yes. The game is free to play with no sign-up. Signing in adds AI explanations for any term.
How do the MLS vocabulary games work?
There are 4 games built on 20 MLS terms. In Guess the Term, a clue describes one term and you have six tries to spell it, with green, yellow and gray letters showing how close you are. In Term Match, six terms appear as colored tiles; swap neighbors to line up three or more of the same term, and each match shows what the term means. In Term Pairs, twelve face-down cards hide six pairs of terms; flip two at a time to find each pair, and every pair you find shows what the term means. In Term Search, five terms hide in a grid of letters, reading across, down or diagonally; drag across a term to circle it, and each term you find shows what it means.
Where do the MLS terms come from?
OpenExamPrep researched each term from the AMT content outline and primary sources, listed under Sources on this page. The game is independent study material, not an official exam resource.
What are the Westgard QC rules?
Westgard multi-rule QC: 1-3s (1 control >3SD = REJECT); 1-2s (warning, trigger further evaluation); 2-2s (2 consecutive same side >2SD = reject, systematic error); R-4s (range >4SD between controls = random error); 4-1s (4 consecutive >1SD same side = bias); 10-x (10 consecutive same side of mean = shift). Distinguish random vs systematic error to guide troubleshooting.
How is acute hemolytic transfusion reaction managed?
Most often ABO incompatibility from clerical error. Symptoms: fever, chills, back/flank pain, hemoglobinuria, hypotension, DIC. STOP transfusion immediately, maintain IV access with NS, send remaining unit + post-transfusion blood/urine to blood bank, monitor renal function, supportive care. Investigate cause (recheck sample identity, repeat ABO/Rh on pre/post samples, DAT). Document and report per facility policy.