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

When taking a lateral skull radiograph a foam wedge or pad should be placed under the __________ and ________-________ area to keep the head parallel to the _____________

Answer 6

Mandibles and cranio-cervical area
Cassette

Question 7

__________ of the skull needs to be parallel to the tabletop

Answer 7

Midline

Question 8

Two restraint manipulations for lateral skull x rays

Answer 8

1. Neck extended
2. Caudal traction to forelimbs

Question 9

Two options of measurements for lateral skull x rays (thickets part)

Answer 9

1. Zygomatic arch
2. Nasal arch (smaller animals)

Question 10

What two places do you need a foam wedge or pad when doing a lateral skull radiograph

Answer 10

1. Under mandibles
2. Craniocervical