During an exposure, most of the   ___   energy of the projectile electrons is converted to

At the target, the projectile electrons interact with        .

The efficiency of x-ray production is _____ the tube current.

Most of the heat generated at the target is due to ___

The production of heat at the anode is directly proportional to____.

The efficiency of x-ray production increases as _____ increases.

Approximately ____ of the kinetic energy of the projectile electrons is converted to x-rays at the target.

Electron interactions at the inner shell of the target atoms produce           radiation.

The useful characteristic x-rays from tungsten targets are -shell x-rays.

Characteristic K-shell x-rays have an effective energy of keV.

Most of the x-rays produced at the target are ____.

At 55 kVp, of the x-rays produced are bremsstrahlung.

Bremsstrahlung x-rays are produced by _____ at the target.

Characteristic x-rays are produced by _____________.

Characteristic x-rays are produced by:

The quantity of bremsstrahlung radiation increases proportionately with increased__.

An exposure taken at 100 kVp would have a continuous emission spectrum with a maximum energy of _keV.

An increase in mAs would  ______ the  _____ of the emission spectrum.

An increase in kVp _____ _______ would the of the emission spectrum.

Grays, or milligrays, in air are the measurement for x-ray.

The number of x-rays in the useful beam defines x-ray__.

Standard x-ray machines produce about       µGy_a/mAs at 70 kVp measured at 100 cm SID.

X-ray intensity increases in direct proportion to increases in_.

If the distance from the source to the image (SID) is reduced by half, how is the xray intensity at the image affected?

If filter thickness is _____, then x-ray intensity is ________ .

A 10% increase in kVp has ________ effect on x-ray intensity than/as a 10% increase in mAs.

If the quantity of electrons hitting the target is doubled, the x-ray intensity is__.

If a technologist changes the technique from 70 kVp @ 200 mAs to 70 kVp @ 400 mAs, the x-ray intensity will___

The inverse square law has the same effect on x-ray__ and x-ray __.

An increase of 15% in kVp is equivalent to increasing mAs.

If the intensity of a 70 kVp exposure at 20 mAs is 1.0 mGya, what would it be at 5 mAs?

If an exposure is 0.5 mGya at an SID of 40 inches, what would the exposure be at an SID of 60 inches?

X-ray intensity is proportional to___

The penetrability of an x-ray beam is called x-ray__.

An x-ray beam that could pass through dense tissue would have high ___

A low-quality beam would also have low _____

Beam energy is affected by ____.

The half value layer (HVL) of an x-ray beam is a measurement of beam ______.

Image contrast is affected by _____.

The two primary forms of x-ray interaction in the diagnostic range are:

An incident x-ray interacts with an atom without ionization during:

An outer-shell electron is ejected and the atom is ionized during _____.

Which x-ray interaction involves the ejection of the K-shell electron?

The scattered x-ray from a Compton interaction usually retains ____ of the energy of the incident photon.

Compton scatter is directed at _____ angle from the incident beam.

As kVp _____, the probability of photoelectric absorption ______.

In ____, there is complete absorption of the incident x-ray photon.

______ occurs only at the very high energies used in radiation therapy and in nuclear medicine P.E.T. imaging.

Only at energies above 10 MeV can _____ take place.

When the mass density of the absorber is ____, it results in ______ Compton scatter.

K-shell binding energy increases with increasing_____

Which has the greatest mass density?

Differential absorption in diagnostic imaging is primarily caused by ____________.

Because of differential absorption, about_% of the incident beam from the x-ray tube contributes to the finished image.

Differential absorption is dependent on all of the following, except _______________.

17. Attenuation is caused by ____________.