The concept of DAP is integral to dose optimization in radiography. Which practice would negatively impact DAP?

• A. Increasing the Number of Repeat Examinations to Ensure Image Clarity
• B. Decreasing the Number of Projection Angles
• C. Increasing KVP Without Considering Part Thickness
• D. Ignoring Dose Monitoring

Answer: (A)

DAP measures the amount of radiation delivered to the patient across the irradiated area, so keeping exposures to a single well-optimized image is key to dose optimization. Repeating an exam to gain clearer images directly adds another dose to the same region, causing the total dose-area product to rise. Even if the subsequent image is better, the extra exposure increases the cumulative dose, which goes against the goal of minimizing patient exposure.

The other options don’t inherently drive up cumulative DAP in the same direct way. Using fewer projection angles can reduce overall exposure events, and increasing kVp without considering part thickness risks image quality issues that would then prompt corrective actions rather than simply adding dose. Ignoring dose monitoring is dangerous because trends in exposure can go unnoticed, but the most immediate and direct way to worsen DAP here is exposing the patient more than once.