ARRT N Practice Test 2026 — Free ARRT N Exam Prep Questions
The ARRT Nuclear Medicine Technology exam is the primary-pathway credentialing exam for the R.T.(N) credential. Our practice set follows ARRT's nuclear medicine content specifications, with worked decay, effective half-life, Mo-99 breakthrough, uptake, ejection fraction and inverse-square calculations, plus instrumentation QC, safety regulations and procedure scenarios.
During a Tc-99m mebrofenin study for suspected acute cholecystitis, bowel activity is seen at 40 minutes but the gallbladder has not appeared by 60 minutes. If ordered, what is the next step?
ARRT N format, scoring & key facts
Facts last verified Oct 5, 2026. Source: assets-us-01.kc-usercontent.com/406ac8c6-58e8-00b3-e3c1-0c312965deb2/b0fe22db-ea4c-4948-a6c5-190abb745851/NMT_CS_2022.pdf. Always confirm details with ARRT before your exam.
When can you take the ARRT N?
Plan backwards from your exam date
What the ARRT N covers
Every PrepBanq ARRT N test mirrors the official domain weights.
Domain distribution
% of the exam| Content domain | Weight | ≈ Questions on exam | Our practice questions |
|---|---|---|---|
Patient CareEthical and legal aspects, communication, physical assistance and monitoring, medical emergencies, infection control, hazardous materials and pharmacology (24 scored questions). | 12% | ~24 | 3 questions → |
SafetyRadiation physics, radiobiology and NRC/DOT regulations: exposure limits, medical events, area surveys, spills and radioactive material handling (25 scored questions). | 12.5% | ~25 | 3 questions → |
Image ProductionInstrumentation and QC: survey meters, dose calibrators, scintillation detectors, gamma cameras/SPECT, PET/CT, data processing and informatics (33 scored questions). | 16.5% | ~33 | 4 questions → |
ProceduresRadionuclides and radiopharmaceuticals plus cardiac, endocrine/oncology, gastrointestinal/genitourinary and other imaging and therapy procedures (118 scored questions). | 59% | ~118 | 15 questions → |
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ARRT N FAQ
How many questions are on the ARRT N?
The ARRT N has 230 questions (200 of them scored).
What is on the ARRT N?
The ARRT N covers Patient Care (about 12%), Safety (about 12.5%), Image Production (about 16.5%), Procedures (about 59%).
Who administers the ARRT N?
The ARRT Nuclear Medicine Technology Exam is administered by ARRT.
Is there a free ARRT N practice test?
Yes. PrepBanq has 3 free ARRT N practice tests with 25 exam-style questions in the real ARRT N formats, and every answer is explained. No credit card is needed.
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