ARRT Registry Exam Practice Questions and 100% Correct Verified Answers| 2023\/2024 Latest Update<\/p>\n\n\n\n
ARRT Registry Exam Practice Questions and
100% Correct Verified Answers| 2023\/2024
Latest Update
QUESTION
Which of the following results in all-directional scatter?
a. compton
b. photoelectric
c. classical
d. coherent
Answer:
a. compton
QUESTION
which of the following are byproducts of photoelectric absorption?
a. photoelectron and Compton scattered electron
b. photoelectron and characteristic photon
c. low energy scattererd xray photon and characteristic photon
d. low energy scattered xray photon and compton scattered electron
Answer:
b. photoelectron and characteristic photon
QUESTION
which two interactions between x-radiation and matter result in the production of small-angle
scatter?
a. coherent scattering and Compton scattering
b. coherent scattering and pair production
c. photoelectric absorption and Compton scattering
c. photoelectric absorption and pair production
Answer:
a. coherent scattering and Compton scattering<\/p>\n\n\n\n
QUESTION
which of the following interactions results in the conversion of matter into energy?
a. modified scattering
b. photoelectric absorption
c. annihilation reaction
d. classical scattering
Answer:
c. annihilation reaction
QUESTION
CR for AP axial sigmoid?
Answer:
30-40 degrees cephalic, 2 inches below the ASIS
QUESTION
During the process of coherent scattering, the incident x-ray photon interacts with a(n):
a. atom transferring its energy by causing some or all of the electrons of the atom to vibrate
momentarily and radiate energy in the form of electromagnetic waves
b. single inner shell electron, ejecting it from its orbit
c. single outer shell electron, ejecting it from its orbit
d. scattered photon of lesser energy, annihilating it
Answer:
a. atom transferring its energy by causing some or all of the electrons of the atom to vibrate
momentarily and radiate energy in the form of electromagnetic waves
QUESTION
Particles associated with electromagnetic radiation that have no mass or electric charge are:
a. positrons
b. x-ray photons
c. negatrons<\/p>\n\n\n\n
d. ions
Answer:
b. x-ray photons
QUESTION
The x-ray photon energy required to initiate pair production is:
a. 1.022 MeV
b. 0.511 MeV
c. 1.022 keV
d. 0.511 keV
Answer:
a. 1.022 MeV
QUESTION
Radiographic density is:
a. not affected by milliampere-seconds (mAs)
b. caused by photodisintegration
c. defined as the degree of overall blackening on a completed radiograph
d. not relevant in the production of a diagnostic radiograph
Answer:
c. defined as the degree of overall blackening on a completed radiograph
QUESTION
X-rays are carriers of:
a. fluorescent properties that make them visible
b. electrons
c. disease
d. manmade, electromagnetic energy
Answer:
d. manmade, electromagnetic energy<\/p>\n\n\n\n
QUESTION
Differences in density level between radiographic images of adjacent structures as seen in a
completed radiograph define:
a. photodisintegration
b. radiographic density
c. image attenuation
d. radiographic contrast
Answer:
d. radiographic contrast
QUESTION
The probability of occurrence of photoelectric absorption as the energy of the
incident photon decreases and the atomic number of the irradiated atoms <\/em><\/strong>.
a. decreases markedly, increases
b. increases markedly, decreases
c. increases markedly, increases
d. stays the same, increases
Answer:
c.
increases markedly, increases
QUESTION
The symbol Z indicates the:
a. atomic weight of an atom
b. atomic number of an atom
c. number of vacancies in an atomic shell
d. fluorescent yield
Answer:
b. atomic number of an atom
QUESTION
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