Basic Terminology

Question 1

APOM, APLC, Lat, Obl. All individually stand for what?

Answer 1

Anterior posterior open mouth
Anterior posterior lateral cervical
Lateral
Oblique

Question 2

What does LPOC, and RPOC stand for?

Answer 2

Left posterior oblique cervical
Right posterior oblique cervical

Question 3

What does LAO, RAO, RPO, and LPO stand for?

Answer 3

Left anterior oblique
Right anterior oblique
Right posterior oblique
Left posterior oblique

Question 4

Upright

Answer 4

Seated or standing (wt bearing)

Question 5

Recombent

Answer 5

Lying down (non-wt bearing)

Question 6

Define radiopaque

Answer 6

A structures that is too thick for x-rays to go through

The image then will look whiter where something is radio opaque/radiodense

Question 7

Define radiolucent

Answer 7

X-rays pass through lucent areas easily, thus darkening the film

The image will be darker where lucent structures or substances are

Question 8

Much like an AP and PA view of an area, they show the same thing.

RAO =

Answer 8

LPO

Question 9

Much like an AP and PA view of an area, they show the same thing.

LAO =

Answer 9

RPO

Question 10

What positioning would you need to see the right intervertebral foramina?

Answer 10

LPO and RAO

“Same” AO, therefore an RAO shows the right IVFs

“Opposite” PO, therefore an LPO shows the right IVFs

Question 11

What positioned X-ray would you take if you wanted to see the L IVF?

Answer 11

LAO or RPO