ARRT Study Guide 2026
Everything you need to pass the ARRT 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.
📋 ARRT Exam Format at a Glance
📚 ARRT Topics to Study (65)
✍️ Sample ARRT Questions & Answers
1. Which fluoroscopic procedure is specifically designed to evaluate the swallowing mechanism and detect aspiration?
The modified barium swallow (videofluoroscopic swallow study) is performed with a speech-language pathologist to assess oropharyngeal swallowing function and detect aspiration.
2. In a lateral projection of the paranasal sinuses, the central ray should be directed to a point:
For a true lateral projection of the paranasal sinuses, the central ray is centered to a point midway between the outer canthus (the outer corner of the eye) and the external auditory meatus (EAM). This centering ensures that all four sinus groups (frontal, ethmoid, sphenoid, and maxillary) are included and properly demonstrated in the image.
3. Which radioactive decay mode results in the emission of an electron from the nucleus?
Beta-minus decay occurs when a neutron converts to a proton, releasing an electron (beta particle) and an antineutrino from the nucleus.
4. A technologist's monthly dosimeter reading shows 5 mSv. Which action is most appropriate?
5 mSv in one month is elevated (10% of the annual limit) and warrants investigation of work practices, even though it is not a regulatory violation.
5. A Bennett fracture involves which structure?
A Bennett fracture is an intra-articular fracture-dislocation at the base of the first metacarpal at the carpometacarpal joint of the thumb.
6. A radiograph exhibits a wide latitude (long scale) of contrast. Which exposure factor most directly caused this?
Higher kVp produces more penetrating, homogenous radiation that results in low contrast (long gray scale) across the image.
🎯 Free ARRT Practice Tests
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