In which situation would a radiographer increase exposure time?

Increasing exposure time is necessary when imaging a radiographically dense area because such areas require more radiation to penetrate adequately and produce a diagnostic image. Dense materials absorb more radiation than less dense materials, which means that a longer exposure time is needed to ensure that enough radiation reaches the imaging film or detector to create a clear image.

When working with grids, gonad shields, or changing target-to-film distance, the adjustments typically involve compensating for these variables to optimize image quality or protect sensitive areas, but they do not inherently require an increase in exposure time for correct imaging of dense regions. Instead, the radiographer may adjust the technique in other ways, such as modifying kilovoltage or milliamperage, to account for these factors without solely relying on extended exposure time.