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Author Question: Where is the central ray directed for the lateral thoracic spine projection? T7/8 and MCP T10 and ... (Read 17 times)

cool

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on: Jul 17, 2018
Where is the central ray directed for the lateral thoracic spine projection?
 
 T7/8 and MCP
  T10 and MCP
  T5 and MCP
  T12 and MCP

Question 2

A rectangular form of beam restriction that uses two sets of adjustable lead shutters is a(n):
 
 extension cone
  wedge filter
  trough filter
  collimator


fwbard

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Reply #1 on: Jul 17, 2018
Answer to Question 1

T7/8 and MCP

Rationale: The CR is directed to the level of T7 and MCP or slightly posterior to MCP.

Answer to Question 2

collimator

Rationale: The collimator is rectangular and the lead shutters can be adjusted to the size of the image receptor or smaller.


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