The most effective and often used radiographic beam-restriction device is the
A) aperture diaphragm
B) collimator
C) cone or cylinder
D) none of these
Correct Answer:
Verified
Q9: Increased collimation means :
1) Decreased field size
2)
Q10: The automatic collimator
A) automatically collimates to the
Q11: The volume of tissue irradiated is determined
Q12: The beam-restriction device that results in images
Q13: A significant amount of collimation will have
Q15: The probability of a Compton interaction occurring
Q16: The unrestricted primary x-ray beam is
A) round
B)
Q17: Restriction of the primary beam to the
Q18: For radiographic procedures, scatter radiation is primarily
Q19: Which of the following produces the greatest
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