A flat piece of lead with a hole in it that has a flange directed toward the patient is a(n)
A) aperture diaphragm
B) collimator
C) cone or cylinder
D) none of these
Correct Answer:
Verified
Q3: Increasing collimation (decreasing the field size) results
Q4: The beam-restriction device that includes a visible
Q5: The two major factors that affect the
Q6: The simplest type of beam-restricting device is
Q7: When imaging the pelvis, changing from 14
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
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