Multiple Choice
The collimation assembly of a radiographic unit
A) employs an upper and lower set of shutter blades.
B) allows the radiographer to adjust the field size in a circular dimension.
C) removes the mirror assembly for exposures.
D) all of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q29: Collimators that offer positive beam limitation (PBL)
Q30: The principal factors that affect the amount
Q31: As the volume of irradiated tissue _,
Q32: All of the following are considered beam-restricting
Q33: Bone absorbs more radiation and produces more
Q35: Cones and cylinders would be commonly employed
Q36: PBLs may also filter the x-ray beam.
Q37: As the kilovoltage increases, the percentage of
Q38: The volume of the irradiated tissue increases
Q39: When kilovoltage is increased with no other