ARRT RRA study guide
ARRT RRA · Work through your exam, one topic at a time.
The Registered Radiologist Assistant (R.R.A.) credential is an ARRT certification and registration for radiographers who have completed an additional, specialized educational program. According to ARRT, R.R.A.s are qualified to perform many procedures under a radiologist's supervision and provide advanced-level support to radiologists, with responsibilities that may include assessing and managing patients and performing select clinical procedures a radiologist would otherwise do. ARRT states that earning the credential requires, among other things, holding ARRT credentials in Radiography and completing an advanced educational program. Candidates should review ARRT's R.R.A. Topics on this exam: Patient Assessment and Management, Clinical Procedures, and Radiologic Imaging and Image Evaluation. The ARRT RRA study guide has 3 sections and about 831 words.
01Patient Assessment and Management
Patient assessment for the radiologic technologist centers on gathering data before, during, and after a procedure and acting on it. Know the normal adult vital-sign ranges: respiratory rate 12–20 breaths/min, pulse 60–100 beats/min, blood pressure roughly 120/80 mmHg, oral temperature near 37°C (98.6°F), and oxygen saturation 95–100%. Understand the difference between baseline and trending values-one abnormal reading matters less than a change over time. Review the patient's history for allergies (especially iodinated contrast), medications (anticoagulants, metformin, beta blockers), pregnancy status, and prior reactions.
302 words, about 2 min02Clinical Procedures
Clinical procedures questions test whether you can select and execute routine and specialty exams safely and reproducibly. Know the standard projections and patient positioning for common studies, the rationale for each position, and the patient preparation required (fasting, bowel prep, hydration, medication holds). Understand contrast media categories-iodinated (ionic vs nonionic), barium, and gadolinium-and their routes: oral, intravenous, intrathecal, and rectal. Match the study to the route and to the contraindication profile.
267 words, about 1 min03Radiologic Imaging and Image Evaluation
Image evaluation asks you to judge diagnostic quality and to recognize artifacts and errors. The pillars are density/brightness, contrast, spatial resolution, distortion, and noise. Understand how technical factors-kVp, mAs, source-to-image distance, and patient thickness-affect these. Higher kVp generally lowers contrast and widens the exposure latitude; mAs controls quantity of photons and thus receptor exposure.
262 words, about 1 min