Multiple Choice
A beam-restricting device that has two or three sets of lead shutters is a(n) :
A) collimator.
B) aperture diaphragm.
C) cone.
D) cylinder.
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q29: What purpose does positive beam limitation serve?<br>A)
Q30: The most common cause of grid cutoff
Q31: In general,when should a grid be used?<br>A)
Q32: Grids do not reduce scatter production.
Q33: A grid whose lead strips run perpendicular
Q35: The height of the lead strips relative
Q36: The unrestricted primary beam produces a(n)_ area
Q37: What is found between the lead strips
Q38: An optimal AP abdomen radiograph can be
Q39: A device consisting of very thin lead