ARRT REGISTRY PROCEDURES NEWEST EXAM WITH 100% TOP SCORE 2024-2025
Sthenic
Average build
Hyposthenic
Slender
Asthenic
Extremely thin
Hypersthenic
Above average or massive build
What landmark corresponds to C4-5?
Thyroid cartilage
What landmark corresponds to the sternal notch?
T2,3
What landmark corresponds to the sternal angle?
T4,5
What landmark corresponds to the inferior angle of the scapula?
T7
What landmark corresponds to the xiphoid tip?
T10
What landmark corresponds to the level of L3,4?
Umbilicus
What landmark corresponds to the iliac crest?
L4
What landmark corresponds to the ASIS?
S1
,What landmark corresponds to the greater trochanter?
Pubic symphysis
Mesocephalic
Pertaining to an average width head
petrous ridges are 47 degrees from MSP
Brachycephalic
Having a short, wide head
petrous ridges are 54 degrees from MSP
Dolicocephalic
Having a long, narrow head
petrous ridges are 40 degrees from MSP
What line is used for all skull projections except for 2 and what are they?
OML
lateral and SMV
What does the AP/PA axial skull (Townes) demonstrate?
Dorsum sellae within the foramen magnum
What is seen in the PA axial Caldwell method of the skull?
Petrous ridges projected in the lower 1/3 of the orbits
What is the angle of the CR for the PA Haas method of the skull?
25-30 degrees cephalad
What do we see in the PA skull?
Petrous ridges completely filling the orbits
What bones are affected by a blowout fx?
Zygomatic arch
maxilla
palantine
What projection is done to see a blowout fx?
Modified waters
, What is the angle of the CR for an axiolateral oblique of the mandible?
25 degrees cephalic through ramus closest to IR
In an axiolateral oblique of the mandible, what position is the head in to demonstrate the
ramus?
True lateral
In an axiolateral oblique of the mandible, what position is the head in to demonstrate the body?
Head rotated 30 degrees toward the table
In an axiolateral oblique of the mandible, what position is the head in to demonstrate the
mentum?
Head rotated 45 degrees toward the table
Nasal bones will use the same technique as _______
Finger
What projection demonstrates the nasal septum?
Parietoacanthial (waters)
doesn't show a fx, only shows deviation
What is the only projection of paranasal sinuses that demonstrates all 4 sinuses?
Lateral
What sinuses are shown in the PA axial caldwell of the sinuses?
Frontal and ethmoid
What sinuses are shown in the waters method of sinuses?
Maxillary
may also see sphenoid through open mouth
In an AP open mouth projection, what do we need to do if the teeth are projected over the
dens?
Extension
In an AP open mouth projection, what do we need to do if the base of the skull is projected over
the dens?
Sthenic
Average build
Hyposthenic
Slender
Asthenic
Extremely thin
Hypersthenic
Above average or massive build
What landmark corresponds to C4-5?
Thyroid cartilage
What landmark corresponds to the sternal notch?
T2,3
What landmark corresponds to the sternal angle?
T4,5
What landmark corresponds to the inferior angle of the scapula?
T7
What landmark corresponds to the xiphoid tip?
T10
What landmark corresponds to the level of L3,4?
Umbilicus
What landmark corresponds to the iliac crest?
L4
What landmark corresponds to the ASIS?
S1
,What landmark corresponds to the greater trochanter?
Pubic symphysis
Mesocephalic
Pertaining to an average width head
petrous ridges are 47 degrees from MSP
Brachycephalic
Having a short, wide head
petrous ridges are 54 degrees from MSP
Dolicocephalic
Having a long, narrow head
petrous ridges are 40 degrees from MSP
What line is used for all skull projections except for 2 and what are they?
OML
lateral and SMV
What does the AP/PA axial skull (Townes) demonstrate?
Dorsum sellae within the foramen magnum
What is seen in the PA axial Caldwell method of the skull?
Petrous ridges projected in the lower 1/3 of the orbits
What is the angle of the CR for the PA Haas method of the skull?
25-30 degrees cephalad
What do we see in the PA skull?
Petrous ridges completely filling the orbits
What bones are affected by a blowout fx?
Zygomatic arch
maxilla
palantine
What projection is done to see a blowout fx?
Modified waters
, What is the angle of the CR for an axiolateral oblique of the mandible?
25 degrees cephalic through ramus closest to IR
In an axiolateral oblique of the mandible, what position is the head in to demonstrate the
ramus?
True lateral
In an axiolateral oblique of the mandible, what position is the head in to demonstrate the body?
Head rotated 30 degrees toward the table
In an axiolateral oblique of the mandible, what position is the head in to demonstrate the
mentum?
Head rotated 45 degrees toward the table
Nasal bones will use the same technique as _______
Finger
What projection demonstrates the nasal septum?
Parietoacanthial (waters)
doesn't show a fx, only shows deviation
What is the only projection of paranasal sinuses that demonstrates all 4 sinuses?
Lateral
What sinuses are shown in the PA axial caldwell of the sinuses?
Frontal and ethmoid
What sinuses are shown in the waters method of sinuses?
Maxillary
may also see sphenoid through open mouth
In an AP open mouth projection, what do we need to do if the teeth are projected over the
dens?
Extension
In an AP open mouth projection, what do we need to do if the base of the skull is projected over
the dens?
