Electrons
Brems
Characteristic
Waveforms
The Spectrum
100
At 100 kVp what % of the electron's kinetic energy is transferred into heat?
What is 99%
100
The "braking" in Bremsstrahlung x-rays is produced when the projectile electron is slowed by the target atom's________.
What is nuclear field.
100
At 69 kVp, characteristic x-rays will be produced from this target material?
What is Tungsten.
100
The ideal waveform type for producing x-rays would be:
What is high frequency.
100
Added filtration decreases ______, but increases ______.
What is quantity, quality.
200
Electrons traveling from the cathode to the anode are sometimes called these:
What are projectile electrons.
200
Bremsstrahlung releases _________ in the form of x-ray.
What is kinetic energy.
200
__-Shell electrons of Tungsten are useful in diagnostic imaging.
What is K-Shell
200
High frequency generators allow for more x-rays produced at full kVp by reducing ______.
What is ripple.
200
Useful Bremsstrahlung x-ray beams represent everything ____ the curve.
What is under.
300
99% of the projectile energy is turned into what?
What is heat, IR, and light.
300
Energy in Bremsstrahlung is not gained, and therefore cannot exceed the____set.
What is kVp.
300
Characteristic x-rays are are represented on what spectrum?
What is discrete.
300
A change in waveform will change the_____, but not the_____ of the emission spectrum.
What is amplitude, shape.
300
A change in quantity(mAs) only affects the _______ of the spectrum.
What is amplitude.
400
An increase in kVp results in an increase in what?
What is kinetic energy.
400
Brems can be produced at which energy level?
What is any.
400
Characteristic x-rays are formed at discrete binding energies. This affects the______ and ______ of the x-ray beam.
What is quality and quantity.
400
The_____ line does not change when changing generators.
What is characteristic/discrete.
400
The atomic __number of the target material will affect the shape of the spectrum.
What is the Z number.
500
Projectile electrons themselves do not have enough energy to ionize, but instead_____ outer shell orbital electrons.
What is excite.
500
As the distance from the nucleus decreases, the strength of the interaction________.
What is increases.
500
Characteristic x-rays represent__% of the beam?
What is 15%
500
An increase in voltage reduces patient ___?
What is dose.
500
A ________ spectrum contains all possible values.
What is continuous.
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