RADT 1065 Exam 3 Questions with Revised Answers All Correct
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Course
RADT 1065
Institution
RADT 1065
RADT 1065 Exam 3 Questions with Revised Answers All Correct
The higher the atomic number, the less photoelectric absorption occurs.
A. false
B. true - Answer A.
Which of the following interactions has a significant impact on the x-ray image?
A. photoelectric absorption
B. coherent
C. pai...
RADT 1065 Exam 3 Questions with
Revised Answers All Correct
The higher the atomic number, the less photoelectric absorption occurs.
A. false
B. true - Answer ✅ A.
Which of the following interactions has a significant impact on the x-ray image?
A. photoelectric absorption
B. coherent
C. pair production
D. photodisintegration - Answer ✅ A.
All factors remaining constant, which of the following set of exposure conditions would
yield an image with the HIGHEST image receptor (IR) exposure?
A. 100 mA, .75 sec, 40" SID, 70 kVp
B. 150 mA, .25 sec, 44" SID, 80 kVp
C. 300 mA, 125 ms, 40" SID, 70 kVp
D. 400 mA, 187 ms, 56" SID, 88 kVp - Answer ✅ D.
X-rays are monoenergetic.
A. false
B. true - Answer ✅ A.
When an electron from an outer shell fills a vacancy in an inner shell,
A. the total energy of the electron increases
B. the electron increases its mass
C. a photon is released
D. all of the above - Answer ✅ C.
The two primary forms of x-ray interaction within matter in the diagnostic range are
A. Compton scattering and photoelectric absorption
B. Compton scattering and pair production
C. photoelectric absorption and coherent scattering
D. coherent scattering and Thompson scattering - Answer ✅ A.
When an x-ray photon with a slightly greater energy than the binding energy of the inner
shell electron interacts with that inner shell electron, the following interaction results:
A. Compton scattering
, B. coherent scattering
C. photoelectric absorption
D. characteristic radiation - Answer ✅ C.
When the x-ray emission spectra between single and three phase generators are
compared,
A. three phased beams would have a higher average energy
B. single phase beams would be more intense
C. less exposure would be required for the same part thickness using single phase
D. the keV of the characteristic spike would be significantly less with the single-phase
generator - Answer ✅ A.
Which of the following is not a type of interaction between radiation and biologic matter?
A. Compton scattering
B. bremsstrahlung
C. pair production
D. photoelectric absorption - Answer ✅ B.
Characteristic interactions may occur only when the incident electron interacts with
A. an inner shell electron
B. an outer shell electron
C. the force field of the nucleus
D. the band gap of the atoms valence band - Answer ✅ A.
During coherent scattering, the scattered photon possesses ____ as the incident
photon.
A. the same energy, the same frequency, and the same wave length
B. the same energy, the same frequency, and different wave length
C. the same energy, different frequency, and the same wave length
D. a different energy, same frequency , and the same wave length - Answer ✅ A.
When x-ray photons interact with matter and change direction, this process is called
A. absorption
B. scatter
C. resonance
D. extrapolation - Answer ✅ B.
Which energy level electrons possess the highest total energy?
A. K
B. L
C. M
D. N - Answer ✅ D
During photoelectric absorption, a/an ____ shell electron is ejected.
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