LRA 224 week 1 quiz UPDATED ACTUAL Questions and
CORRECT Answers
Identify the structure that is represented by the letter (D) Posterior arch of C1
Which anatomical structures must be aligned The upper incisors and the base of the skull
perpendicular to the IR for an AP open-mouth projection
to ensure proper XR
When shoulders can't be depressed on a lateral Lateral, swimmers' technique
projection of the cervical spine, what projection would
visualize C7 & T1
An oblique projection of the cervical spine will Intervertebral Foramina
demonstrate the: (Select all that apply)
Pedicles
Where should the central ray be directed for this • The thyoid bone and C4
radiograph?
For an erect lateral cervical spine projection, which line AML (Acanthiomeatal Line)
should be parallel with the patients mandible?
What is the appropriate positioning of the arms for the Arm closest to IR raised, arm away down and slightly posterior
projection demonstrated in the following radiograph?
What is the proper central ray angulation and entrance Perpendicular to center of the open mouth
point for an (AP) open mouth projection of the cervical
spine?
What is the proper CR angulation and direction for a (PA) 15 to 20° caudad
axial oblique projection of the c spine with RAO or
LAO
Which of the following are best demonstrated in a lateral Zygapophyseal joints
projection of the cervical spine? (Select all that apply)
Intervertebral joints
CORRECT Answers
Identify the structure that is represented by the letter (D) Posterior arch of C1
Which anatomical structures must be aligned The upper incisors and the base of the skull
perpendicular to the IR for an AP open-mouth projection
to ensure proper XR
When shoulders can't be depressed on a lateral Lateral, swimmers' technique
projection of the cervical spine, what projection would
visualize C7 & T1
An oblique projection of the cervical spine will Intervertebral Foramina
demonstrate the: (Select all that apply)
Pedicles
Where should the central ray be directed for this • The thyoid bone and C4
radiograph?
For an erect lateral cervical spine projection, which line AML (Acanthiomeatal Line)
should be parallel with the patients mandible?
What is the appropriate positioning of the arms for the Arm closest to IR raised, arm away down and slightly posterior
projection demonstrated in the following radiograph?
What is the proper central ray angulation and entrance Perpendicular to center of the open mouth
point for an (AP) open mouth projection of the cervical
spine?
What is the proper CR angulation and direction for a (PA) 15 to 20° caudad
axial oblique projection of the c spine with RAO or
LAO
Which of the following are best demonstrated in a lateral Zygapophyseal joints
projection of the cervical spine? (Select all that apply)
Intervertebral joints
