Final answer:
Poor patient positioning causing repetition of radiographic exposure leads to additional radiation release and lower quality images, with protective measures necessary to minimize risk.
Step-by-step explanation:
Repetition of a radiographic exposure due to poor patient positioning results in release of radiation and poor quality images. The necessity to repeat the imaging process exposes the patient to additional radiation, which poses a health risk, and could lead to suboptimal images due to the compromised position. Ensuring proper patient positioning is crucial before taking an X-ray to minimize the need for retakes, reduce radiation exposure, and maintain image quality. Protective measures, such as using a lead apron and adequate shielding around the X-ray tube, are implemented to limit the exposure to only the tissue of interest and protect both the patient and the technician.