ACRR

Yes. The exam is administered in a multiple-choice format. Expect single-best-answer items covering all five content domains, with some questions requiring you to apply principles to a short clinical or technical scenario rather than recall a single fact.

Those figures are set by the credentialing body and can change between testing cycles, so we do not publish them here. Check the official organization's website or your candidate handbook for the current question count, time limit, and appointment length.

Passing standards and fees are determined by the certifying organization and are revised periodically. Rather than rely on secondhand numbers, confirm the current passing score and fee schedule directly with the official body before you schedule your appointment.

It is designed for practicing technologists, not beginners, so the difficulty lies in breadth. Most candidates find physics and dosimetry the steepest sections, while patient care feels familiar. If you work across modalities and understand why protocols exist, the applied items are manageable.

Retake eligibility, waiting periods, and any attempt limits are set by the certifying organization and vary over time. Review the current retake policy in the official candidate handbook, and budget time for a waiting period rather than assuming you can immediately reschedule.

Validity periods and renewal or recertification requirements are established by the credentialing body. Confirm the current cycle and any continuing education obligations on the official site so you can plan your maintenance requirements from the day you pass.

Start with the heaviest weight, clinical patient care and safety, since it also reinforces the other sections. Then take physics and instrumentation alongside protection and dosimetry, because they share concepts. Finish with radiopharmaceuticals and QC, then regulatory standards, which are largely memorization.

The usual causes are studying only familiar clinical material, skipping the math in dosimetry, and treating QC as a list of tests without understanding acceptance limits. Another common error is practicing questions without reviewing explanations, which leaves the same misconceptions intact on test day.

Yes, but as a diagnostic tool. Take a timed set, score it by domain, and spend more time reading explanations than answering. Track which domain each miss belongs to so your review targets the weighted areas where you are weakest.

Always use the official certifying organization's website and candidate handbook. Third-party summaries, including this page, can go stale. The official source is authoritative for scheduling, identification requirements, testing accommodations, scoring, and any policy changes.