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The AP open mouth view best demonstrates which vertebrae? ✔Correct Answer-C1 and C2
How should the patient be positioned for the AP open mouth view? ✔Correct Answer-Upright or
supine with arms by their side
For the AP (open mouth) projection of C1-C2, the central ray should be directed: ✔Correct
Answer-perpendicular to the IR and is aimed at the center of the mouth
For the AP axial projection of the C-Spine; if the patient is supine or has minimal lordosis, the xray
tube is angled: ✔Correct Answer-15 degrees cephalad
For the AP axial projection of the C-Spine; if the patient is prone or has much more lordotic
curvature, the xray tube is angled ✔Correct Answer-20 degrees cephalad
The AP axial view of the C-Spine is used to diagnose the following; ✔Correct Answer-clay
shoveler's fracture, compression fracture, and herniated disk of C3 or C4
The anterior and posterior oblique views of the C-Spine are used to diagnose; ✔Correct Answer-
foraminal stenosis
For the anterior oblique view of the C-Spine the patient is positioned_______ and the central ray is
aimed ✔Correct Answer-upright; 15 degrees caudad to the superior aspect of the thyroid cartilage
(C4)
For the posterior oblique view of the C-Spine the central ray is aimed ✔Correct Answer-15 degrees
cephalad to the inferior aspect of the thyroid cartilage (C4)
The lateral C-Spine film is used to demonstrate ✔Correct Answer-spondylosis and osteoarthritis
A 72-inch SID is needed for a lateral C-Spine film to; ✔Correct Answer-make up for increased OID
and to yield less magnification
The patient is required to have the chin extended in the lateral C-Spine view to; ✔Correct Answer-
keep the mandible from overlapping the cervical vertebrae
The lateral horizontal C-Spine view is also known as ✔Correct Answer-the cross-table C-Spine view
The cross-table lateral C-Spine film is used to diagnose the following; ✔Correct Answer-clay
shoveler's fracture, hangman's fracture, compression fracture, odontoid fracture, burst fracture, and
vertebral sublaxtion
The swimmers view is used to show the following; ✔Correct Answer-inferior aspect of the C-Spine,
superior aspect of the thoracic spine, fractures, and vertebral subluxation
, What angulation does the swimmer's view need to enable separation of the shoulders? ✔Correct
Answer-3 to 5 degrees caudad
External landmark for C1 ✔Correct Answer-mastoid tip
External landmark for C2 and C3 ✔Correct Answer-mandibular angle
External landmark for C5 ✔Correct Answer-thyroid cartilage
External landmark for C3 and C4 ✔Correct Answer-hyoid bone
External landmark for C7 and T1 ✔Correct Answer-vertebra prominens
Why is the patient asked to say "ahh" during the AP open-mouth view? ✔Correct Answer-to keep
the tongue in the lower jaw
The cervical spine curve is considererd to be ✔Correct Answer-a secondary lordotic curve
The first cervical vertebra is known as the ✔Correct Answer-atlas
The second cervical vertebra is known as the ✔Correct Answer-axis
why is the atlas considered to be and atypical vertebra? ✔Correct Answer-it is shaped like a ring,
has no vertebral body, and has a short spinous process
The dens is also called the ✔Correct Answer-odontoid
the odontoid functions; ✔Correct Answer-as a pivot
The zygapophyseal joins are situated ✔Correct Answer-at right angles to the midsagittal plane
The C-Spine foramina are located at a ✔Correct Answer-45 degree angle anteriorly and a 15
degree angle inferiorly
Clay Shoveler's Fracture ✔Correct Answer-Avulsion of the spinous process of C6-T1 that is a result
of hyperextension of the neck
Compression fracture ✔Correct Answer-a collapse of the vertebral body
an anterior compression fracture ✔Correct Answer-resembles a wedge
The hangman's fracture ✔Correct Answer-goes throughthe pedicles of C2 and is the result of neck
hyperextension
Jefferson's fracture ✔Correct Answer-fracture of the anterior and the posterior arches of C1 and is
caused by an axial load to the the head or by landing forcefully on the feet
teardrop burst fracture ✔Correct Answer-comminuted vertebral body fracture with the fragments
extruded into the spinal canal and may cause quadriplegia