Bushong Chapter 7 - X•Ray
Production
Kinetic Energy - answerThe energy of motion
Projectile Electrons - answerElectrons traveling from the cathode to anode
99% - answerApproximately __________ of the kinetic energy of projectile electrons is
converted to heat
Characteristic X-Ray - answerEmitted when an outer-shell electron fills an inner-shell
void
K-characteristic - answerOnly the ___________ x-rays of tungsten are useful for
imaging
Bremsstrahlung X-Rays - answerProduced when a projectile electron is slowed by the
nuclear field of a target atom nucleus
Diagnostic Range - answerIn the __________, most x-rays are bremsstrahlung x-rays
Discrete Spectrum - answerContains only specific values
A spectrum of separate and distinct colors in which not all colors are present
Continous Spectrum - answerContains all possible values
An emission spectrum that has all frequencies of visible light
Discrete Emission Spectrum - answerCharacteristic x-rays have precisely fixed
(discrete) energies and form a __________
Continous Emission Spectrum - answerBremsstrahlung x-rays have a range of energies
and form a __________
Integration - answerAdding together the number of x-rays emitted at each energy over
the entire spectrum
mAs - answerA change in __________ results in a proportional change in the amplitude
of the x-ray emission spectrum at all energies
Production
Kinetic Energy - answerThe energy of motion
Projectile Electrons - answerElectrons traveling from the cathode to anode
99% - answerApproximately __________ of the kinetic energy of projectile electrons is
converted to heat
Characteristic X-Ray - answerEmitted when an outer-shell electron fills an inner-shell
void
K-characteristic - answerOnly the ___________ x-rays of tungsten are useful for
imaging
Bremsstrahlung X-Rays - answerProduced when a projectile electron is slowed by the
nuclear field of a target atom nucleus
Diagnostic Range - answerIn the __________, most x-rays are bremsstrahlung x-rays
Discrete Spectrum - answerContains only specific values
A spectrum of separate and distinct colors in which not all colors are present
Continous Spectrum - answerContains all possible values
An emission spectrum that has all frequencies of visible light
Discrete Emission Spectrum - answerCharacteristic x-rays have precisely fixed
(discrete) energies and form a __________
Continous Emission Spectrum - answerBremsstrahlung x-rays have a range of energies
and form a __________
Integration - answerAdding together the number of x-rays emitted at each energy over
the entire spectrum
mAs - answerA change in __________ results in a proportional change in the amplitude
of the x-ray emission spectrum at all energies
