Which statement is true regarding gonadal shielding in radiographic examinations?

When discussing gonadal shielding in radiographic examinations, the statement regarding the essentiality of proper positioning of contact and shadow shields is significant. Proper placement of these shields is crucial for minimizing the radiation exposure to the gonads, which are particularly sensitive to radiation. If the shields are not positioned correctly, they might not cover the gonads fully, thereby leaving them susceptible to radiation dose. This aspect emphasizes that the technique and positioning of the shielding devices fundamentally affect their effectiveness in protecting patients, especially during examinations where radiation exposure is a concern.

The other statements lack accuracy in the context of gonadal shielding practices. Gonadal shielding is not employed in all radiographic examinations; it is typically reserved for specific scenarios where the reproductive organs might be at risk. Moreover, limiting its use solely to the lower extremities is an oversimplification, as shielding can also be relevant in pelvic or abdominal imaging. Finally, while shields are important for reducing exposure, they do not guarantee complete protection from radiation, as some scatter radiation can still reach the gonads. Therefore, the emphasis on proper positioning aligns directly with best practices in radiology to ensure patient safety.