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Which of the following is least likely to produce artifact on a CT image?

Which of the following photon interactions is between an incident photon and an atomic nucleus?

Which of the following types of electromagnetic radiation has the ability to ionize matter?

What happens to the skin when orthovoltage beams are used to treat deep tumors?

Why is tungsten the material of choice as a coating for the anode? 1.  high atomic number 2.  high melting point 3.  produces more x-ray photons

Which photon interaction is most likely to occur in radiation therapy?

What term describes the relationship with beam intensity and distance from the source of a beam for photons as it travels through some medium?

What serves as the source of bremsstrahlung and characteristic radiation?

When did Roentgen discover x-rays?

When electrons strike the anode, how much of their kinetic energy is converted to heat?