200+ Free ARRT Radiation Therapy Practice Questions
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Key Facts: ARRT Radiation Therapy Exam
230
Total Questions
ARRT postprimary handbook (200 scored + 30 pilot)
3.5 hrs
Appointment Time
ARRT postprimary handbook (2026)
75
Passing Scaled Score
ARRT scoring model
$225
Exam Fee
ARRT application-fee schedule (2026)
200
Scored Items
ARRT Radiation Therapy content specifications
24/26/50
Content Distribution
Patient Care/Safety/Procedures percentages
ARRT's postprimary handbook (effective January 1, 2026) lists Radiation Therapy at 230 total items (200 scored + 30 pilot) with a 3.5-hour appointment and passing scaled score of 75. ARRT content specifications weight scored items across Patient Care (~48), Safety/Radiation Physics (~52), and Procedures (~100).
About the ARRT Radiation Therapy Exam
ARRT Radiation Therapy is a postprimary credential for technologists delivering external beam radiation therapy and brachytherapy, performing treatment planning support, and conducting quality assurance in oncology settings.
Questions
200 scored questions
Time Limit
3.5 hours
Passing Score
Scaled score 75
Exam Fee
$225 (ARRT)
ARRT Radiation Therapy Exam Content Outline
Patient Care
Patient assessment, psychosocial support, patient education, symptom management, and ethical/legal considerations
Safety/Radiation Physics
Radiation interactions, beam characteristics, dose calculations, shielding, radiation protection, and QA
Procedures - Treatment Planning
Simulation, immobilization, contouring, beam arrangements, dose optimization, and plan evaluation
Procedures - Treatment Delivery & QA
Patient positioning, image guidance (IGRT), treatment verification, documentation, and quality assurance
How to Pass the ARRT Radiation Therapy Exam
What You Need to Know
- Passing score: Scaled score 75
- Exam length: 200 questions
- Time limit: 3.5 hours
- Exam fee: $225
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
ARRT Radiation Therapy Study Tips from Top Performers
Frequently Asked Questions
How many questions are on the ARRT Radiation Therapy exam?
ARRT's postprimary handbook lists 230 total questions for Radiation Therapy: 200 scored items and 30 pilot (unscored) items.
How long is the ARRT Radiation Therapy appointment?
ARRT lists a 3.5-hour exam appointment for Radiation Therapy candidates.
What score do I need to pass ARRT Radiation Therapy?
ARRT reports a passing scaled score of 75 for Radiation Therapy.
What are the ARRT Radiation Therapy content weights?
ARRT's scored blueprint is approximately Patient Care (24%), Safety/Radiation Physics (26%), and Procedures divided into Treatment Planning (25%) and Treatment Delivery/QA (25%).
How much is the ARRT Radiation Therapy exam fee?
ARRT's 2026 application-fee schedule lists Radiation Therapy at $225.
What experience do I need for ARRT Radiation Therapy?
Candidates must hold current ARRT certification in a primary pathway and complete structured education in radiation therapy. Clinical experience is strongly recommended.