CBET Practice Test
Updated October 2026Facts verified Oct 29, 2026 against AAMI Credentialing Institute (ACI), part of AAMI
The AAMI CBET test is a computer-based assessment consisting of 165 multiple-choice questions. Only 150 items are scored, while the remaining 15 items serve as pre-test questions. To receive your AAMI CBET Certification, you must demonstrate proficiency across anatomy, electronics, safety, and equipment troubleshooting domains. Practice with the free CBET - Certified Biomedical Equipment Technician practice test on PracticeTestGeeks (7 questions with answer explanations).
CBET: upcoming dates and official changes
- Nov 1, 2026 – Nov 15, 2026: The next CBET exam testing window runs November 1–15, 2026.[3]
- Apr 16, 2027: The application deadline for the May 2027 ACI exam window is April 16, 2027.[3]
- Apr 23, 2027: Late registration for the May 2027 ACI exam window closes April 23, 2027, with a $50 late fee.[3]
- May 1, 2027 – May 15, 2027: The following CBET testing window is May 1–15, 2027.[3]
The CBET has 165 questions, takes about 3 hours and costs $410[1][2] (AAMI Credentialing Institute (ACI), part of AAMI, verified Oct 29, 2026).
- The CBET exam has 165 multiple choice questions.[1]
- The CBET exam is a three-hour closed-book exam with no breaks allowed.[1]
- The CBET exam is scored against a predetermined cut score set with the modified Angoff method, not relative to other candidates.[2]
- The CBET exam costs $410 for AAMI members and $460 for non-members in 2026, rising to $425 and $480 in 2027.[2]
- A CBET retake costs $355 for AAMI members and $405 for non-members in 2026, rising to $370 and $425 in 2027.[2]
- CBET candidates must wait at least 60 days to retake, may test no more than three times in two years, and must wait one year after a third failure.[2]
- The CBET certification follows a three-year recertification cycle.[2]
- The CBET exam is delivered at Kryterion testing centers during the exam windows.[2]
- CBET eligibility is an associate degree or higher in electronics, technology or science plus two years of full-time BMET work, a U.S. military biomedical equipment technology program plus two years, or four years of full-time BMET experience.[1]
Numbers in brackets link to the official sources listed under Sources & last verified. Dates that have passed are removed automatically.
CBET Exam at a Glance
| Item | Detail | Source · Verified |
|---|---|---|
| Number of questions | 165 multiple-choice questions[1] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
| Time limit | 3 hours, closed book, no breaks[1] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
| Passing score | Criterion-referenced cut score (modified Angoff)[2] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
| Exam fee | $410 member / $460 non-member (2026); $425 / $480 (2027)[2] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
| Retake fee | $355 member / $405 non-member (2026); $370 / $425 (2027)[2] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
| Retake policy | Wait 60 days; max 3 attempts in 2 years, then wait 1 year[2] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
| Validity | 3-year certification cycle[2] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
| Delivery | Kryterion testing centers[2] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
| Eligibility | Associate degree + 2 yrs BMET, or military BMET program + 2 yrs, or 4 yrs BMET; candidate status available[1] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
| Next exam date | May 1–15, 2027[3] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
| Late registration deadline | April 23, 2027, $50 late fee (May 2027 window)[3] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
| Registration deadline | April 16, 2027 (May 2027 window)[3] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
| Registration opens | Late January 2027 (May 2027 window)[3] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
| Testing window | November 1–15, 2026[3] | AAMI Credentialing Institute (ACI), part of AAMI · Oct 29, 2026 |
What changed for CBET in 2026
- Oct 29, 2026: Eligibility changed to Associate degree + 2 yrs BMET, or military BMET program + 2 yrs, or 4 yrs BMET; candidate status available (previously Associate degree + 2 yrs BMET, OR US military BMET program + 2 yrs, OR 4 yrs full-time BMET (candidate status available)).[1]
- Oct 29, 2026: Late registration deadline changed to April 23, 2027, $50 late fee (May 2027 window) (previously April 23, 2027, with a $50 late fee (May 2027 window)).[3]
- Oct 29, 2026: Exam fee changed to $410 member / $460 non-member (2026); $425 / $480 (2027) (previously $410 AAMI member / $460 non-member (2026); $425 / $480 in 2027).[2]
- Oct 29, 2026: Retake fee changed to $355 member / $405 non-member (2026); $370 / $425 (2027) (previously $355 member / $405 non-member (2026); $370 / $425 in 2027).[2]
- Oct 29, 2026: Time limit changed to 3 hours, closed book, no breaks (previously 3 hours (180 minutes), no breaks).[1]
- Oct 29, 2026: Passing score changed to Criterion-referenced cut score (modified Angoff) (previously Criterion-referenced cut score (modified Angoff); scaled scores reported to candidates who fail).[2]
- Oct 29, 2026: Retake policy changed to Wait 60 days; max 3 attempts in 2 years, then wait 1 year (previously Wait at least 60 days; no more than 3 attempts in 2 years, then wait 1 year).[2]
- Oct 29, 2026: Delivery changed to Kryterion testing centers (previously Computer-based at Kryterion testing centers, May and November windows).[2]
Free CBET - Certified Biomedical Equipment Technician Study Tools
Interactive CBET - Certified Biomedical Equipment Technician resources on PracticeTestGeeks, free to start:
- CBET - Certified Biomedical Equipment Technician flashcards — review key terms and concepts card by card
- CBET - Certified Biomedical Equipment Technician study guide — topic-by-topic overview of what the exam covers
- CBET - Certified Biomedical Equipment Technician cheat sheet — one-page printable summary for last-minute review
According to AAMI Credentialing Institute (ACI), part of AAMI, “Associate degree or higher in an electronics, technology or science program and two years' fulltime BMET work experience”[1]
CBET content outline and where to practise each area
The content areas below are copied from the official CBET content outline published by AAMI Credentialing Institute (ACI), part of AAMI, with the share of the exam each area carries. The right-hand column shows which of our practice sets covers it.
| Official content area | Weight | Practice on this site |
|---|---|---|
| Fundamentals of Electricity and Electronics[1] | 6% | CBET Electronics and Electrical Safety Practise basic circuit behavior, electrical safety principles and the way leakage and grounding affect patient-connected equipment. |
| Healthcare Information Technology[1] | 17% | CBET Healthcare IT and Networking Practise networking basics, how devices connect to hospital systems and the common causes of connectivity faults. |
| Healthcare Technology and Function[1] | 30% | CBET Medical Equipment Function Practise what each major device type does, how its main parts work together and what it is meant to deliver to the patient. |
| Healthcare Technology Problem Solving[1] | 30% | CBET Healthcare Technology Problem-Solving Practise working from a symptom to the most likely cause, checking the simple and cheap explanations before the complex ones. |
CBET Practice Test Questions
Prepare for the CBET - Certified Biomedical Equipment Technician exam with our free practice test modules. Each quiz covers key topics to help you pass on your first try.
CBET - Certified Biomedical Equipment Tech...
CBET Test Prep for - Certified Biomedical Equipment Technician Anatomy and Physiology Basics Questions and Answers. Practice CBET Quiz questions and boost your score.
CBET - Certified Biomedical Equipment Tech...
CBET Questions and Answers on - Certified Biomedical Equipment Technician Electronics and Electrical Safety Questions and Answers. Free CBET practice for exam readiness.
CBET - Certified Biomedical Equipment Tech...
CBET Mock Test covering - Certified Biomedical Equipment Technician Healthcare IT and Networking Questions and Answers. Online CBET Test practice with instant feedback.
CBET - Certified Biomedical Equipment Tech...
Free CBET Quiz on - Certified Biomedical Equipment Technician Healthcare Technology Problem-Solving Questions and Answers. CBET Exam prep questions with detailed explanations.
CBET - Certified Biomedical Equipment Tech...
CBET Practice Questions for - Certified Biomedical Equipment Technician Medical Equipment Function Questions and Answers. Build confidence for your CBET certification exam.
CBET - Certified Biomedical Equipment Tech...
CBET Test Online for - Certified Biomedical Equipment Technician Medical Gas Systems Questions and Answers. Free practice with instant results and feedback.
CBET - Certified Biomedical Equipment Tech...
CBET Study Material on - Certified Biomedical Equipment Technician Patient Monitoring Systems Questions and Answers. Prepare effectively with real exam-style questions.
CBET - Certified Biomedical Equipment Tech...
Free CBET Test covering - Certified Biomedical Equipment Technician Public Safety and Regulations Questions and Answers. Practice and track your CBET exam readiness.
CBET - Certified Biomedical Equipment Tech...
CBET Exam Questions covering - Certified Biomedical Equipment Technician Surgical Equipment Technology Questions and Answers. Master CBET Test concepts for certification prep.
CBET Diagnostic Imaging Equipment
Free CBET Practice Test featuring Diagnostic Imaging Equipment. Improve your CBET Exam score with mock test prep.
CBET Preventive Maintenance and Calibration
CBET Exam Questions covering Preventive Maintenance and Calibration. Master CBET Test concepts for certification prep.
CBET Sterilization and Infection Control E...
CBET Test Prep for Sterilization and Infection Control Equipment. Practice CBET Quiz questions and boost your score.
Worked examples: how to reason through CBET questions
These are practice questions written for this site, not questions from the real exam. Each explanation shows why the right answer is right and why the others are wrong.
Example 1
Question: A technician is explaining the function of an anesthesia machine to a new colleague. What is the primary role of the vaporizer component within the machine?
- To absorb excess carbon dioxide from the breathing circuit.
- To convert liquid anesthetic agent into a precisely controlled vapor.
- To mechanically ventilate the patient's lungs with oxygen.
- To blend oxygen and nitrous oxide in specific ratios.
Answer: B. To convert liquid anesthetic agent into a precisely controlled vapor.
Explanation:
The correct answer is that the vaporizer converts liquid anesthetic agent into a precisely controlled vapor. It adds a measured amount of agent to the fresh gas flow, which is how the delivered concentration is set.
Absorbing excess carbon dioxide from the breathing circuit is the job of the absorber, not the vaporizer. Mechanically ventilating the lungs is done by the ventilator part of the machine. Blending oxygen and nitrous oxide in set ratios is done by the gas flow controls and blender, upstream of the vaporizer.
Rule to remember: on an anesthesia machine, match each component to a single function. Gas mixing, agent vaporizing, carbon dioxide removal and ventilation are separate stages, and exam options often swap them.
Example 2
Question: What is the primary safety concern for BMETs working on MRI equipment?
- Extremely strong static magnetic field attracting ferromagnetic objects
- High voltage electric shock only
- Radioactive contamination
- Laser eye injury
Answer: A. Extremely strong static magnetic field attracting ferromagnetic objects
Explanation:
The correct answer is the extremely strong static magnetic field attracting ferromagnetic objects. The field is always present, even when the scanner is not imaging, so a steel tool or tank can be pulled toward the bore with great force.
High voltage electric shock only is wrong because the word only ignores the magnet hazard, which is the defining risk. Radioactive contamination is wrong because MRI does not use ionizing radiation or radioactive sources. Laser eye injury is wrong because lasers are not the main hazard of an MRI scanner.
Rule to remember: around MRI, the magnet is always on. Use non-magnetic tools, follow the site screening procedure and never assume that powering down the console makes the room safe.
Example 3
Question: When troubleshooting a patient monitor displaying 'Lead Off' for ECG, what should a biomedical technician check?
- The monitor software version
- The electrode contact quality, lead wire integrity, and cable connections from patient to monitor
- The monitor battery level
- The room temperature
Answer: B. The electrode contact quality, lead wire integrity, and cable connections from patient to monitor
Explanation:
The correct answer is to check electrode contact quality, lead wire integrity and cable connections from patient to monitor. A Lead Off alarm means the electrical path between the skin and the amplifier input is broken, so you follow that path from the patient end to the monitor.
The software version is wrong because a software version does not usually cause a single lead to drop off. The battery level is wrong because a low battery raises its own alarm and does not point to a specific lead. Room temperature is wrong because it does not break the signal path.
Rule to remember: when troubleshooting, start with the most likely and cheapest cause nearest the symptom. Here that is the electrode, the lead wire and the connectors, before any internal repair.
How to use these practice tests
Start with the official outline from AAMI and note which content areas you already work with every day. The two largest areas by weight are Healthcare Technology and Function and Healthcare Technology Problem Solving, so give them the most practice time. Do not skip the smaller areas, because a weak spot there still costs marks.
Work through the topic sets in the table above in short sessions. Read every explanation, including for questions you got right, and write down the rule behind each miss. When a topic keeps tripping you up, return to your service manuals, device training notes or the official reference list and read the real material, not just more questions.
Use the device-specific sets, such as patient monitoring, infusion pumps, ventilators, imaging and sterilization, to connect what you know from the shop floor to exam wording. Our questions are written by us with AI tools and are not real exam questions, so use them to find gaps and not to predict the paper.
In the final stretch, take a full-length general test in a single sitting with no notes and no breaks, to match the real conditions. Review your misses by topic, then spend the remaining days on those topics. Check your testing center details and ID requirements ahead of time.
CBET Concept Flashcards
Quick review for your Certified Biomedical Equipment Technician exam
🧠What is CBET?
Certified Biomedical Equipment Technician, a primary credential from the AAMI Credentials Institute.
START CBET PRACTICE TEST⚡Voltage Formula?
V = I x R. Essential for CBET electronics practice questions regarding circuit troubleshooting.
START CBET PRACTICE TEST🛡️What is NFPA 99?
The Health Care Facilities Code governing clinical safety standards for electrical systems.
START CBET PRACTICE TEST🩺What is Diastolic?
The lowest pressure in the arteries when the heart is at rest, found in anatomy domains.
START CBET PRACTICE TESTCBET Exam Study Guide
Our CBET study guide provides a structured pathway to mastering the technical content. Use the tabs below to explore the essential pillars of the assessment and professional requirements.
- Topics: Clinical Device IT
- Questions: ~15 Items
Administrative procedures, regulatory compliance, and medical equipment financial policies.
- Topics: CBET healthcare technology management
- Questions: ~16 Items
Focus your final review on the Healthcare Safety and Equipment Operations domains. These two sections account for over 50% of the total CBET test score and are vital for passing.
Technicians typically invest between $550 and $700 total for registration and books. This is often fully recovered within one year via average salary increases for those with the CBET Certification.
CBET Career Opportunities
Look for specialized HTM opportunities near me after passing the CBET test.
Pediatric Equipment Specialist
Focus on neonatal and pediatric clinical devices like incubators and infant warmers in specialized hospitals.
Traveling Biomedical Technician
Join organizations that deploy technicians across medical facilities for manufacturer-level repair missions.
Hospice Technology Manager
Ensure durable medical equipment used in home care settings meets all patient safety and regulatory standards.
Radiology/
Imaging SpecialistAdvance into servicing complex CT, MRI, and X-ray modalities which often require the CBET as a technical prerequisite.
Clinical Engineering Director
Oversee entire HTM departments, management software, and hospital safety audits as a senior administrator.
CBET Test Day Checklist
- ✓Two forms of valid government photo ID.
- ✓A printout of your exam confirmation email.
- ✓A basic, non-programmable calculator.
- ✓Review CBET electronics practice questions.
- ✓Arrive at the testing center 30 minutes early.
- ✓Wear layers for room temperature variability.
- ✓Breathe and stay calm during the timed assessment.
- ✓Confidence from taking the free CBET practice test!
Ready to Pass the CBET Exam?
Join thousands of biomedical engineering technicians who have aced their AAMI certification with our updated test modules.
Keep detailed logs of your professional training. Failure to submit CBET renewal requirements on time will result in the expiration of your credential and require a full retake of the assessment.
CBET: Pros and Cons
- +CBET exam preparation strengthens your knowledge across all domains
- +Passing the exam proves competency to employers and clients
- +Study materials and practice tests are widely available
- +Exam-based credentials are portable across states and employers
- +Clear exam objectives help focus your study plan effectively
- −Exam anxiety can affect performance — practice tests help reduce it
- −Registration fees are non-refundable if you miss your test date
- −Limited retake opportunities may apply with waiting periods
- −Exam content updates periodically — use current study materials
- −Testing center availability may require advance scheduling
Pros and Cons at a Glance
| Pros | Cons |
|---|---|
| CBET exam preparation strengthens your knowledge across all domains | Exam anxiety can affect performance — practice tests help reduce it |
| Passing the exam proves competency to employers and clients | Registration fees are non-refundable if you miss your test date |
| Study materials and practice tests are widely available | Limited retake opportunities may apply with waiting periods |
| Exam-based credentials are portable across states and employers | Exam content updates periodically — use current study materials |
| Clear exam objectives help focus your study plan effectively | Testing center availability may require advance scheduling |
Sample CBET - Certified Biomedical Equipment Technician Practice Questions
Try these questions from our free CBET - Certified Biomedical Equipment Technician practice tests. The correct answer and an explanation follow each question.
When using a electrical safety analyzer to perform a leakage current test on a Class I medical device, what is the maximum allowable chassis leakage current under normal conditions per NFPA 99?
- A. 100 µA
- B. 300 µA
- C. 500 µA
- D. 10 µA
Answer: A. 100 µA
NFPA 99 and AAMI ES60601-1 limit chassis (enclosure) leakage current for Class I devices to 100 µA under normal conditions.
A BMET is performing a PM on an infusion pump. Which test is most critical for patient safety?
- A. Flow rate accuracy test
- B. Keypad illumination check
- C. Speaker volume check
- D. Label legibility inspection
Answer: A. Flow rate accuracy test
Flow rate accuracy directly affects drug dosing; an out-of-tolerance pump can deliver under- or over-doses with life-threatening consequences.
When a BIOMED technician validates a new sterilizer installation, which test must be performed to confirm steam quality?
- A. Bowie-Dick test only
- B. Biological indicator test only
- C. Superheat test only
- D. Installation Qualification (IQ), Operational Qualification (OQ), and Performance Qualification (PQ)
Answer: D. Installation Qualification (IQ), Operational Qualification (OQ), and Performance Qualification (PQ)
FDA and AAMI standards require IQ, OQ, and PQ validation for sterilizer installation to confirm equipment is installed correctly, operates within specifications, and performs consistently.
A CBET is working in a newly constructed critical care unit. According to the risk-based approach of NFPA 99, systems and equipment whose failure is likely to cause major injury or death to patients or caregivers would be designated as which category?
- A. Category A
- B. Category 4
- C. Category 2
- D. Category 1
Answer: D. Category 1
NFPA 99 uses a risk-based classification system. Category 1 is assigned to systems and equipment where failure is likely to cause major injury or death. This category requires the most stringent design and testing standards to ensure reliability and safety.
Take the full CBET - Certified Biomedical Equipment Technician practice test
Official Resources
- AAMI — Certified Biomedical Equipment Technician (CBET): The official CBET certification page from AAMI, the body that owns the credential, with eligibility, domains, and application steps.
- AAMI Certifications: AAMI’s full certification hub covering CBET alongside the CRES and CLES pathways, exam policies, and recertification rules.
- AAMI (Association for the Advancement of Medical Instrumentation): The parent standards organization for Healthcare Technology Management, publishing the resources behind the CBET exam content.
CBET Exam Questions and Answers
Sources & last verified
- AAMI Credentialing Institute (ACI), part of AAMI — number of questions, time limit, eligibility, other (official source). “165 multiple choice questions” Verified Oct 29, 2026 · source checked Oct 20, 2026.
- AAMI Credentialing Institute (ACI), part of AAMI — exam fee, passing score, retake fee, retake policy (official source). “CBET & CRES $410 $460” Verified Oct 29, 2026.
- AAMI Credentialing Institute (ACI), part of AAMI — testing window, registration deadline, late registration deadline, next exam date (official source). “November 1-15, 2026” Verified Oct 29, 2026 · source checked Oct 29, 2026.
How we verify: editorial & fact-checking policy. Report an error: contact us.
How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. 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
- aami.org — Eligibility, exam format, time limit, test delivery, fees, passing score, retake fee, retake policy, score validity, exam dates · verified Oct 2026