4 - APOM

Question 1

Measuring patient for APOM

Answer 1

Have patient put their finger in front of their mouth, measure from front of the mouth, to base of occiput

Question 2

SID for APOM

Answer 2

40”

Question 3

CR alignment: lateral cervical

Answer 3

parallel to the floor = line for bottom of front teeth, to the mastoid

• CR is centered in the mouth

Question 4

Film size for APOM

Answer 4

10x12 Vertical

• ID blocker UP

Question 5

Collimation for APOM

Answer 5

• vertically = just below eyes
• horizontally = at mastoids

Question 6

APOM breathing instructions

Answer 6

exhale and hold

Question 7

Image criteria for APOM

Answer 7

• C1 and C2
• lateral masses equal distance from mandibular rami
• Upper Occlusal Plate and Occipital Base are superimposed