Radiation Therapist
Posted Aug 14, 2026 · We last checked this listing on Oct 4, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Tell me about a time the machine went down and you had a full schedule.
What they are checking: Whether they can keep patients informed and help reschedule calmly.
Tell me about a time you questioned something in a treatment plan.
What they are checking: Whether they will speak up about concerns instead of treating a plan they are unsure of.
What would you do
Your daily imaging shows the patient's setup is off from the plan. What do you do?
What they are checking: Whether they correct setup within tolerance and get the physician or physicist when it is outside limits.
A patient tells you their skin is very sore and they want to skip treatment. What do you do?
What they are checking: Whether they assess side effects, report them and support the patient without making medical decisions.
How do you help a nervous patient feel at ease on their first day of treatment?
What they are checking: Whether they can explain treatment simply and build trust with patients facing cancer.
About the work
Walk me through how you verify a patient's identity and treatment plan before every treatment.
What they are checking: Whether they use patient identifiers and timeouts every time, since errors can cause serious harm.
Walk me through a CT simulation for a patient getting treatment to the pelvis.
What they are checking: Whether they can run a simulation accurately and with little supervision, as the posting expects.
How do you design and fabricate blocks, and how do you check them?
What they are checking: Whether they can make blocks accurately, a skill the posting names directly.
What do you check when reviewing treatment calculations?
What they are checking: Whether they understand calculations well enough to catch an error before treatment.
How do you practice radiation safety for yourself and others?
What they are checking: Whether they follow safety procedures as habits, not just rules.
How do you keep charts accurate and up to date during a busy day?
What they are checking: Whether they document every treatment correctly, which matters for safety and dose tracking.
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Practice this out loudThe full job description
As published by Mercyhealth.