CMT Study Guide 2026
Everything you need to pass the CMT exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
CMT exam key facts
- The AMT Medical Laboratory Scientist (formerly Medical Technologist) certification exam has 210 questions across nine work areas, with General Laboratory the largest at 44 questions. Source
- To pass the AMT Medical Laboratory Scientist (formerly Medical Technologist) exam, a candidate needs a scaled score of 70 or higher on a 0–100 scale; the score is not a percentage. Source
- A candidate who fails the AMT Medical Laboratory Scientist (formerly Medical Technologist) exam can retake it after 45 days and has a lifetime limit of four attempts. Source
- AMT Medical Laboratory Scientist (formerly Medical Technologist) certificants must document continuing-education activity every three years to stay certified. Source
📋 CMT Exam Format at a Glance
📚 CMT Topics to Study (95)
✍️ Sample CMT Questions & Answers
1. In freezing point osmometry, one mole of solute per kilogram of water lowers the freezing point by approximately how much?
The molal freezing point depression constant of water is 1.86°C per osmole per kg.
2. A pear-shaped flagellate with two nuclei and a sucking disk shows 'falling leaf' motility in a stool wet mount. What is the parasite?
Giardia trophozoites are pear-shaped and binucleate, with a ventral sucking disk and falling-leaf motility.
3. A routine chemistry tube arrives in the lab with no patient label. What is the most appropriate action?
Unlabeled replaceable specimens must be rejected and recollected to prevent misidentification errors.
4. A patient asks why a second tube must be drawn after the first specimen was hemolyzed. What is the best explanation?
A brief, honest explanation in plain language keeps the patient's trust without blaming others.
5. When collecting blood cultures for suspected bacteremia in adults, what is standard practice?
Multiple sets from different sites increase detection and help tell true pathogens from skin contaminants.
6. According to the Nernst equation, what is the theoretical slope of an electrode for a monovalent ion at 25°C?
The Nernstian slope is about 59.16 mV per tenfold change in activity for a +1 or −1 ion at 25°C.
🎯 Free CMT Practice Tests
📖 CMT Guides & Articles
What Practice Test Geeks adds beyond an AI chat for CMT
An AI chatbot can quiz you, but it can't reproduce the exam conditions or keep your record. Here you get:
- A timed, full-length CMT mock exam — 100 questions in 150 minutes with a 400% pass mark, modeled on the official exam's question count and time limit, followed by a score report broken down by exam domain.
- A fixed CMT question bank: the same test every attempt, so your score is comparable from one try to the next instead of changing with every regenerated quiz.
- Progress saved on your device: completed tests, scores and missed questions stay in My Progress, so you can retake only what you got wrong.
- A printable CMT cheat sheet you can print or save as a PDF.
- CMT flashcards built from the same question bank.
- Free CMT practice tests with the correct answer shown after each question.
How this page was made: written with AI tools. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- americanmedtech.org — Test delivery, exam format, eligibility, passing score, score release, test dates, score validity, renewal, retake policy, exam information · verified Oct 2026
- pearsonvue.com — Registration · verified Oct 2026