Test Bank & Study Guide
for ARRT Procedures –
Radiologic Science Exam
Prep by Meaghan Piretti
Page 1
Guidehttps://www.stuvia.com/dashboard!@_)#*)(@$)($@*($@)($@*_ 1 Test Bank & Study Guide for ARRT Procedures – Radiologic Science Exam Prep by Meaghan Piretti.pdf
,ARRT Procedures Study Material by Meaghan Piretti 2026-03-03
Position lines for skull
7 degrees of separation
skull Caldwell
lower 1/3 of orbit (petrous ridge)
PA skull
fill the orbit. (Petrous ridge)
facial bones water
inferior to maxillary sinuses (Petrous ridge)
facial bones Caldwell
lower 1/3 of orbit (Petrous ridge)
modified water FB
Lower half of maxillary sinus (Petrous ridge)
Page 2 2 ARRT Procedures Study Material by Meaghan Piretti.pdf
, ARRT Procedures Study Material by Meaghan Piretti 2026-03-03
sinus caldwell
lower 1/3 of orbit (Petrous ridge)
sinuses water
inferior maxillary sinuses (Petrous ridge)
AP Axial (Towne Method) ( skull)
MSP& OML Perp
30-OML -FORAMEN MAGNUM
37-IOML
demonstrate base of skull
PA Axial (Caldwell)( skull)
MSP& OML perp
15 Caldwell - exit nasion
petrous ridges lower 1/3 of orbit
AP axial (Caldwell)( skull)
trauma reverse angle 15 up
toes up angle up.
Page 3 3 ARRT Procedures Study Material by Meaghan Piretti.pdf