What is the most common type of radiation protection used in medical settings?

Lead shielding is the most common type of radiation protection used in medical settings primarily due to its effective attenuation of ionizing radiation. Lead's high density and atomic number make it particularly good at absorbing both gamma rays and X-rays, which are commonly encountered in various medical imaging procedures and radiation therapies.

In hospital environments, lead shielding often takes the form of barriers, walls, and aprons used by healthcare professionals and patients to minimize exposure to radiation. This protective measure not only ensures the safety of personnel in areas where radiological procedures are performed, but it also protects surrounding areas and individuals from unintended radiation exposure.

While other options like concrete barriers and personal safety suits have their applications, lead shielding is favored for its efficiency, ease of use, and effectiveness in a clinical setting. Concrete is primarily used for structural shielding in larger facilities due to its cost and bulk, while radiation masks and personal safety suits serve more specialized roles and aren't as widely used as lead-based forms of protection.