First FRCR (CR1) Practice Questions - First FRCR Examination (Clinical Radiology) - CR1 Exam

Increasing the inherent and added filtration of an X-ray beam (e.g. adding aluminium) primarily has which effect?

It increases the number of low-energy photons reaching the patient It removes low-energy photons, increasing mean beam energy and reducing patient skin dose It reduces the maximum photon energy of the spectrum It has no effect on patient dose

Correct Answer:

It removes low-energy photons, increasing mean beam energy and reducing patient skin dose

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