Author Question: Which of the following has a direct effect on radiographic contrast? mAs SID screen speed ... (Read 30 times)

fasfsadfdsfa

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Which of the following has a direct effect on radiographic contrast?
 
 mAs
  SID
  screen speed
  kVp

Question 2

Where is the CR directed on the lateral skull projection?
 
 superior and anterior to the EAM
  superior to the EAM
  superior and posterior to the EAM
  to the level of the EAM



pratush dev

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Answer to Question 1

kVp

Rationale: Higher kVp will increase the production of scatter radiation which contributes to the image with a long scale contrast as result.

Answer to Question 2

superior to the EAM

Rationale: The central ray is directed 1-2 superior to the EAM to ensure vertex is included on the image.



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