ARRT REGISTRY FINAL EXAM SCRIPT 2026
QUESTIONS WITH CORRECT ANSWERS
ALREADY PASSED
● AP knee less than 19cm Answer: 3-5 caudal angle
● AP knee with patient 19-24cm Answer: perpendicular to IR
● AP knee with patient greater than 24cm Answer: 3-5 cephalic angle
● LPO/RPO IVU Answer: The kidney farthest from the IR is parallel
and the kidney closest to IR is perpendicular
● Vomer bone articulates with.... Answer: maxilla, sphenoid and
ethmoid
● Ellipsoidal joints (Condyloid) Answer: Wrist radoiocarpal joint and
metatcarpophaangeal joints
● ginglymus (hinge) joint Answer: Permits a wide range of motion in
only one plane. EX; elbow and interphalangeal joint, humeroulnar and
humeroradial
,● saddle( sellar) joints Answer: opposing surfaces are concave convex
allowing flexion, extension, adduction
EX: carpometatcarpal joint of thumb
● PLane(Gliding joints) Answer: wrist and ankle joints
● Pivot (Trochoidal) joints Answer: permits rotary movement in which
a ring around a central axis Ex: proximal radioulnar joint
● ball and socket joint Answer: capable of movement in an infinite
number of axes, one bone moves in a cupcake cavity Ex: Hip, shoulder
● Synovial (Diarthrodial) Joints Answer: freely movable joints that
contain a fluid-filled joint capsule lines with synovial membranes and
ligaments
● Barium enema Answer: An x-ray exam using an opaque contrast
medium to examine the lower GI tract, clear liquid diet 48 hours before
exam, NPO after midnight and cleansing enema morning of exam
● Fibrous joint (synarthroses) Answer: limited movement, generally
immovable Ex: Skull
,● Cartilagonous (Amphiarthroses) Answer: no joint cavity, slightly
movable Ex: intervertebral disks, symphysis pubis
● to visualize the "open" left sacroiliac joints Answer: perform an 25-30
degree RPO or LAO position
● to visualize the "open" right sacroiliac joints Answer: perform an 25-
30 degree LPO and RAO position
● to visualize the right zygophyseal joints on lumbar spine Answer:
position patient in an RPO 45 degree
● What structures are seen in an Lateral Lumbar spine? Answer:
intervertebral foramina, spinous processes, and intervertebral disk spaces
● When performing the AP axial Cspine Answer: 15-20 cephalic angle,
visualizes the intervertebral disk spaces
● For an oblique Lumbar spine Answer: Center at the Lower costal
margin
● PA Caldwell Skull Answer: CR directed caudal 15 degrees to OML,
frontal sinuses visualized, petrous pyramids projected into the lower 1/3
orbits
, ● For AP Thoracic Spine Answer: visualizes the intervertebral disk
spaces
● Zygophyseal Joints are formed by the Answer: Superior and Inferior
articular processes
● Intervertebral foramina is formed by Answer: vertebral notches of the
pedicles
● When performing the Waters projection Answer: head rested on
extended chin, OML forms a 37 degree angle with IR
● AP Bilateral Frog Leg Answer: called "Modified Cleaves"
● AP Axial Outlet Projection (Taylor Method) Answer: called "Taylor
Method"
● Which vertebral structures form the "lordotic curves"? Answer:
Cervical and Lumbar
● PA Skull NO angle Answer: CR enters at Glabella
● AP Axial L5-S1 lumbar spine Answer: 30-35 degrees cephalic
QUESTIONS WITH CORRECT ANSWERS
ALREADY PASSED
● AP knee less than 19cm Answer: 3-5 caudal angle
● AP knee with patient 19-24cm Answer: perpendicular to IR
● AP knee with patient greater than 24cm Answer: 3-5 cephalic angle
● LPO/RPO IVU Answer: The kidney farthest from the IR is parallel
and the kidney closest to IR is perpendicular
● Vomer bone articulates with.... Answer: maxilla, sphenoid and
ethmoid
● Ellipsoidal joints (Condyloid) Answer: Wrist radoiocarpal joint and
metatcarpophaangeal joints
● ginglymus (hinge) joint Answer: Permits a wide range of motion in
only one plane. EX; elbow and interphalangeal joint, humeroulnar and
humeroradial
,● saddle( sellar) joints Answer: opposing surfaces are concave convex
allowing flexion, extension, adduction
EX: carpometatcarpal joint of thumb
● PLane(Gliding joints) Answer: wrist and ankle joints
● Pivot (Trochoidal) joints Answer: permits rotary movement in which
a ring around a central axis Ex: proximal radioulnar joint
● ball and socket joint Answer: capable of movement in an infinite
number of axes, one bone moves in a cupcake cavity Ex: Hip, shoulder
● Synovial (Diarthrodial) Joints Answer: freely movable joints that
contain a fluid-filled joint capsule lines with synovial membranes and
ligaments
● Barium enema Answer: An x-ray exam using an opaque contrast
medium to examine the lower GI tract, clear liquid diet 48 hours before
exam, NPO after midnight and cleansing enema morning of exam
● Fibrous joint (synarthroses) Answer: limited movement, generally
immovable Ex: Skull
,● Cartilagonous (Amphiarthroses) Answer: no joint cavity, slightly
movable Ex: intervertebral disks, symphysis pubis
● to visualize the "open" left sacroiliac joints Answer: perform an 25-30
degree RPO or LAO position
● to visualize the "open" right sacroiliac joints Answer: perform an 25-
30 degree LPO and RAO position
● to visualize the right zygophyseal joints on lumbar spine Answer:
position patient in an RPO 45 degree
● What structures are seen in an Lateral Lumbar spine? Answer:
intervertebral foramina, spinous processes, and intervertebral disk spaces
● When performing the AP axial Cspine Answer: 15-20 cephalic angle,
visualizes the intervertebral disk spaces
● For an oblique Lumbar spine Answer: Center at the Lower costal
margin
● PA Caldwell Skull Answer: CR directed caudal 15 degrees to OML,
frontal sinuses visualized, petrous pyramids projected into the lower 1/3
orbits
, ● For AP Thoracic Spine Answer: visualizes the intervertebral disk
spaces
● Zygophyseal Joints are formed by the Answer: Superior and Inferior
articular processes
● Intervertebral foramina is formed by Answer: vertebral notches of the
pedicles
● When performing the Waters projection Answer: head rested on
extended chin, OML forms a 37 degree angle with IR
● AP Bilateral Frog Leg Answer: called "Modified Cleaves"
● AP Axial Outlet Projection (Taylor Method) Answer: called "Taylor
Method"
● Which vertebral structures form the "lordotic curves"? Answer:
Cervical and Lumbar
● PA Skull NO angle Answer: CR enters at Glabella
● AP Axial L5-S1 lumbar spine Answer: 30-35 degrees cephalic
