California Registered Dental Assistant (RDA) Written Practice Exam

Question: 1 / 400

X-rays are produced by:

Direct electron collision only

Heating of the cathode and the anode

Hot electrons bombarding a tungsten target

All of the above

X-rays are produced by a process called bremsstrahlung, which occurs when electrons collide with a metal target. This collision can occur in two ways through direct electron collision (choice A) or by heating the cathode and anode, which creates a stream of electrons that bombard the target (choice B). These two processes alone can produce x-rays, but they are not the only methods. Hot electrons from a heated filament can also bombard a metal target, creating x-rays (choice C). Therefore, option D, "All of the above," is the most accurate answer.

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