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Author Question: What anatomy is best demonstrated on this cranial projection? the maxillary sinuses the mandible ... (Read 29 times)

pepyto

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on: Jul 17, 2018
What anatomy is best demonstrated on this cranial projection?
 
 the maxillary sinuses
  the mandible
  the frontal bone
  the parietal bones

Question 2

When positioning the lateral skull, which positioning lines are used to adjust the patient?
 
 MSP is perpendicular and the IPL is parallel
  MSP is parallel and IPL is parallel
  MSP is perpendicular and the IPL perpendicular
  MSP is parallel and the IPL is perpendicular


ong527

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

the frontal bone

Rationale: The frontal bone is of greatest interest on this PA projection of the skull because the frontal bone is closest to the image receptor.

Answer to Question 2

MSP is parallel and the IPL is perpendicular

Rationale: For the lateral projection of the skull, the IPL is aligned perpendicular to the IR and the MSP is parallel to the IR.


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