INBDE (Integrated National Board Dental Examination) Practice Exam

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Which of the following are considered ionizing radiation?

  1. Gamma, X-ray, and UV

  2. Gamma, X-ray, and Infrared

  3. Microwaves, UV, and Gamma

  4. Infrared, Microwaves, and UV

The correct answer is: Gamma, X-ray, and UV

Ionizing radiation is high-frequency radiation that has enough energy to remove tightly bound electrons from atoms, creating ions. This kind of radiation can cause damage to cells and tissues, leading to potential health risks. Among the options provided, gamma rays and X-rays are classified as ionizing radiation as they have high energy levels capable of ionizing atoms by knocking off electrons. UV radiation, while higher in energy compared to visible light, is not of high enough energy to be classified as ionizing radiation. Therefore, the correct answer is the option that includes gamma rays, X-rays, and UV as ionizing radiation, which is option A.