Barium sulfate is used as a contrast agent to visualize soft tissue structures such as the stomach because it
A) is very heavy
B) can be made very thick
C) is inexpensive
D) has a high atomic number
Correct Answer:
Verified
Q27: Protective apparel is often made of lead
Q28: Photoelectric interactions
A) contribute significantly to patient dose
B)
Q29: The greater the angle of deflection of
Q30: Pair production
A) occurs very often during radiographic
Q31: After a photoelectric interaction, the incident photon
A)
Q33: The energy of the photoelectron is the
Q34: For photoelectric interactions to occur, the energy
Q35: Pair production occurs when the incident photon
Q36: To minimize occupational exposure, the technologist should
A)
Q37: Photoelectric interactions are more likely to occur
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