SA AXIAL POSITIONING

Question 1

What are two main principles of taking a skull radiograph

Answer 1

1. Control (thru anesthesia)
2. Diagnostic Quality

Question 2

Four key factors for obtaining a skull radiograph of diagnostic quality

Answer 2

1. Precision*
2. Symmetry
3. Anatomical knowledge
4. Overlap

Question 3

Parts of the axial skeleton (5)

Answer 3

1. Skull
2. Hyoid apparatus
3. Spine
4. Ribs
5. Sternum

Question 4

The skull has a lot of potential ____________ in radiographs

Answer 4

Superimposition

Question 5

When is overlapping used

Answer 5

Overlapping is used when multiple images have to be taken of a very large skull. Part of one image needs to be on the next image so the multiple x rays can be lined up perfectly

Question 6

What does a foam pad in the cervical region correct?

Answer 6

Disparity between skull thickness and cervical vertebrae

Question 7

What to keep in mind when using a V Trough?

Answer 7

Don’t use one that changes the position of the patient relative to the receptor. (causes magnification)