Differential absorption in diagnostic imaging is primarily caused by _____.
A) photoelectric absorption
B) Compton scatter
C) pair production
D) all of the above
Correct Answer:
Verified
Q2: Barium is a good contrast agent because
Q5: A negative contrast agent is _.
A) air
B)
Q10: When the mass density of the absorber
Q14: The scattered x-ray from a Compton interaction
Q17: Which has the greatest mass density?
A) fat
B)
Q18: Because of differential absorption, about _% of
Q21: High kVp techniques reduce _.
A) patient dose
B)
Q21: X-rays transmitted without interaction contribute to _.
A)
Q24: At energies below 40 keV, the predominant
Q25: Compton interactions, photoelectric absorption, and transmitted x-rays
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