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Author Question: Which of the following could aid in increasing contrast? decreased collimation higher-ratio grids ... (Read 38 times)

anshika

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Which of the following could aid in increasing contrast?
 
 decreased collimation
  higher-ratio grids
  increased SID
  wedge filters

Question 2

PBL stands for:
 
 Peripheral Beam Limitation
  Position Beam Limitators
  Positive Beam Limitation
  Plus Beam Limitation



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laurnthompson

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Answer to Question 1

higher-ratio grids

Rationale: Higher ratio grids are more efficient at absorbing scatter, increasing contrast.

Answer to Question 2

Positive Beam Limitation

Rationale: PBL stands for Positive Beam Limitation. PBL is intended to ensure the collimated light field is automatically configured once the image receptor is positioned within the Bucky.





 

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