Which items are included in the annual QC parameters?

• A. All of the above
• B. X-ray beam, Bucky motion and centering
• C. Filtration (HVL)
• D. Processor transport time

Answer: (D)

Annual QC looks at aspects of the imaging chain that can drift over time and affect processing speed and workflow. The processor transport time is the parameter that directly ties to the film-processing chain’s pace; if transport takes longer or becomes inconsistent, images pile up and processing quality can suffer, so this is checked on a yearly basis to ensure the processor remains within spec after wear or chemistry changes.

In contrast, checks of the X-ray beam, Bucky motion and centering are more about imaging geometry and alignment, issues that can arise and be caught with more frequent verification, since misalignment can quickly affect dose, positioning, and image quality. Filtration (HVL) relates to beam quality and is typically verified during setup or at intervals when components can drift, rather than as a sole annual parameter.

So, among the options, the element routinely included in annual QC parameters is the processor transport time, reflecting the year-long reliability of the film-processing subsystem.