Who is credited with the discovery of X-rays in 1895? Thomas Edison Marie Curie Wilhelm Roentgen Alexander Fleming None What is the scientific term for the phenomenon where certain materials are transparent to X-rays? Radiopacity Radiolucency Radiodensity Radiotransparency None Which medical imaging technique uses X-rays to create cross-sectional images of the body? Ultrasound Magnetic Resonance Imaging (MRI) Computed Tomography (CT) Positron Emission Tomography (PET) None What is the unit of measurement for X-ray exposure or dose? Coulomb Gray (Gy) Sievert (Sv) Roentgen None Which element is commonly used as a target material in X-ray tubes? Tungsten Copper Aluminum Lead None Time's up
