How often should technologists check the exposure indicators and deviation index on a radiograph?

Checking the exposure indicators and deviation index after each exposure is crucial for ensuring optimal image quality and patient safety in radiological practices. This approach allows technologists to assess whether the exposure levels are appropriate for the specific imaging protocol being used, thus enabling immediate corrections if necessary.

By monitoring these values continuously, technologists can quickly determine if adjustments are needed in technique or equipment settings. This proactive measure helps to reduce the chances of repeated exposures, thereby minimizing radiation dose to patients while ensuring that high-quality images are obtained. Consistency in evaluating these indicators after each exposure supports the ongoing quality control practices essential in radiology.

Other options suggest a less frequent monitoring schedule, which would not provide the same level of immediate feedback and quality assurance necessary for optimal imaging practices.