Bushong Chapter 7 - X•Ray Production. Questions and Answers

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