Multiple Choice
___________ occurs only at the very high energies used in radiation therapy and in nuclear medicine P.E.T. imaging.
A) Coherent scatter
B) Compton scatter
C) Photoelectric absorption
D) Pair production
Correct Answer:
Verified
Correct Answer:
Verified
Q14: Differential absorption in diagnostic imaging is primarily
Q15: In _, there is complete absorption of
Q16: Attenuation is caused by _.<br>A) absorption<br>B) scattering<br>C)
Q17: The use of contrast agents increases the
Q18: Which x-ray interaction involves the ejection of
Q20: X-rays transmitted without interaction contribute to _.<br>A)
Q21: Only at energies above 10 MeV can
Q22: Which has the greatest mass density?<br>A) Fat<br>B)
Q23: An incident x-ray interacts with an atom
Q24: The two primary forms of x-ray interaction