Question 3 • FL-2003310-Physical Science - Teacher Directed Resource
CT scans and radiography use X-rays to create images, and fluoroscopy uses a continuous or pulsed X-ray beam to show motion inside the body. External beam radiation therapy can use high-energy X-rays to treat tumors. MRI uses magnetic fields and radio waves, while brachytherapy and radioisotope imaging rely on radioactive sources rather than an X-ray beam; laser eye surgery uses laser light.
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