What is the source of x-ray photons in the tube? Chode filament rotor anode What

Question

What is the source of x-ray photons in the tube? Chode filament rotor anode What will happen when the technologist fails to select the proper bucky during an exposure? exposure will terminate when backup time has been reached film will be overexposed increased exposure to the patient all of these Which type of x-ray photon is produced when the incident electron passes close to the nucleus of the target material, altering its course? Bremsstrahlung (braking photons) k-rays characteristic photons free radicals The process of boiling off electrons at the filament is called space charge effect thermionic emission thermal conductivity ionization

Explanation / Answer

36. what is the source of x-rays photons in the tube?

ans: D

anode.

The anode is usually made out of tungsten or molybdenum, The tube has a window designed for escape of the generated X-ray photons.

37. what will happen when the technologist fails to select the bucky during an exposure?

ans: D

all of the above.

1. exposure will terminate when backup time has been reached

2. incresed exposure to the patient

3. film will be over exposed.

38. which type of x-ray photon is produced when the incident electron passes close to the nucleus of the target material, altering its course?

ans:A

bracking photons or Bremsstrahlung

When these high speed electrons struck the atoms of the anode, they created X-rays by one of two processes, either Bremsstrahlung or X-ray fluorescence.

39. The process of boiling off electrons at the filament is called?

ans: B

thermionic emission

Thermionic emission is the thermally induced flow of charge carriers from a surface or over a potential-energy barrier. This occurs because the thermal energy given to the carrier overcomes the work function of the material. The charge carriers can be electrons or ions

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