CRES Practice Test 2026 — Free CRES Exam Prep Questions
The CRES exam certifies healthcare technology management professionals who specialize in servicing medical imaging equipment such as radiographic, fluoroscopic, mammography, CT, ultrasound and nuclear medicine systems. Our practice questions follow AAMI's six CRES content areas, with imaging-system troubleshooting scenarios, DICOM/PACS networking problems and worked electrical and tube-loading calculations.
A CRES must enter the MRI scanner room (Zone IV) to check a patient monitor while no patient is being scanned. Which statement about the magnetic hazard is correct?
CRES format, scoring & key facts
Facts last verified Oct 5, 2026. Source: aami.org/certifications/cres/. Always confirm details with ACI / AAMI before your exam.
When can you take the CRES?
Plan backwards from your exam date
What the CRES covers
Every PrepBanq CRES test mirrors the official domain weights.
Domain distribution
% of the exam| Content domain | Weight | ≈ Questions on exam | Our practice questions |
|---|---|---|---|
Anatomy & PhysiologyOrgans and physiological systems, the link between anatomy, technique and positioning across imaging modalities, and basic medical terminology. | 7% | ~12 | 2 questions → |
Fundamentals of Electricity & ElectronicsVoltage, current, resistance and power; circuit components; facility power (3-phase, 480 VAC); battery-powered systems; imaging system power distribution (UPS, line conditioning). | 10% | ~17 | 3 questions → |
Healthcare Information TechnologyNetwork and system security, hardware/software configuration for imaging systems and healthcare IT (PACS, DICOM, worklist), network troubleshooting tools and application interrelatedness. | 25% | ~41 | 6 questions → |
Healthcare Technology and FunctionFunctions of imaging components (x-ray tubes and generators, digital detectors, ultrasound probes, gamma cameras), subsystems, preventive and corrective maintenance, and test equipment. | 25% | ~41 | 6 questions → |
Healthcare Technology Problem SolvingRisk-based repair prioritization, use of schematics and manuals, troubleshooting radiographic, fluoroscopic, mammography and ultrasound systems, device versus user error, and technical communication. | 25% | ~41 | 6 questions → |
Public Safety in the Healthcare FacilityElectrical and mechanical safety, MRI and electromagnetic hazards, radiation-reduction policies, regulations and standards (TJC, CMS, OSHA, FDA, MQSA, ACR, AAMI) and CMMS documentation. | 8% | ~13 | 2 questions → |
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CRES FAQ
How many questions are on the CRES?
The CRES has 165 questions and you have 3 hours to finish. Question types: Multiple choice; closed book, simple calculator permitted.
How long is the CRES exam?
Testing time for the CRES is 3 hours.
What is the passing score for the CRES?
CRES passing standard: Criterion-referenced (modified Angoff); not published as a fixed score.
What is on the CRES?
The CRES covers Anatomy & Physiology (about 7%), Fundamentals of Electricity & Electronics (about 10%), Healthcare Information Technology (about 25%), Healthcare Technology and Function (about 25%), Healthcare Technology Problem Solving (about 25%), Public Safety in the Healthcare Facility (about 8%).
Who administers the CRES?
The Certified Radiology Equipment Specialist (CRES) Exam is administered by ACI / AAMI.
Is there a free CRES practice test?
Yes. PrepBanq has 3 free CRES practice tests with 25 exam-style questions in the real CRES formats, and every answer is explained. No credit card is needed.
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