X-ray Interaction Question Preview (ID: 33851)


Review Of X-ray Interaction. TEACHERS: click here for quick copy question ID numbers.

If 90% of the beam is attenuated, what does this mean?
a) Photons were absorbed
b) Photons were scattered
c) Photons deposited onto the image
d) Photons were absorbed and scattered

At the photon energy increases, what happens to the probability of a Compton interaction
a) Decreases
b) Increases
c) Stays the same
d) Decreases slightly but not enough to make a difference

What is it termed when looking at how tightly packed the atoms?
a) Atomic number
b) Mass density
c) Photon energy
d) None of the answers is correct

If a photon possess 10 kev, which interaction will take place?
a) Photoelectric absoprtion
b) Pair Production
c) Photodisintegration
d) Coherent

During classical scatter interaction, which of the following describe when all the electrons are excited?
a) Coherent
b) Rayleigh
c) Thomson
d) None of the answers is correct

The white on a radiographic image is produced by:
a) Classical scatter
b) Photoelectric absorption
c) Compton scatter
d) Modified scattering

Which interaction will cause the image to have radiation fog?
a) Compton scatter
b) Pair Production
c) Photoelectric absorption
d) Classical scatter

Secondary x-ray can result from which interaction?
a) Classical scatter
b) Compton scattering
c) Photoelectric absorption
d) Pair production

Which tissue has the highest atomic number?
a) Bone
b) Soft tissue
c) Fat
d) Air

Which interaction is useful in PET imaging?
a) Photoelectric absoprtion
b) Compton scattering
c) Photodisintegration
d) Pair production

If the incoming photon posseses close to the same amount of energy, what interaction is most likely to happen?
a) Compton scatter
b) Photoelectric absorption
c) Coherent scatter
d) Characteristic

How much energy is necessary for the photon to have to undergo pair production?
a) 10 mev
b) 1.02 mev
c) 1.02 Mev
d) 10 Mev

Which interaction can change the element of the atom?
a) Photoelectric absoprtion
b) Compton scattering
c) Pair production
d) Photodisintegration

Which electrons has the lowest binding energy?
a) L shell
b) K shell
c) M shell
d) P shell

The reduction in the number of photons after passing through a patient is:
a) Scattering
b) Absorption
c) Attenuation
d) None of the answers is correct

Which interaction increases the x-ray technologists dose?
a) Coherent scattering
b) Photoelectric absorption
c) Modified scattering
d) Unmodified scattering

Modified scatter can also be referred to as:
a) Compton scatter
b) Photoelectric absorption
c) Classical scatter
d) Thompson scatter

WHich interaction ejects an outer shell electron?
a) Coherent scattering
b) Pair Production
c) Photoelectric absorption
d) Compton scattering

What percentage of the incident beam contributes the final radiograph?
a) 95%
b) 50%
c) 10%
d) 0.5%

Which interaction will dull the image?
a) Compton scatter
b) Photoelectric absorption
c) Coherent scatter
d) None of the answers is correct

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