Bontrager Workbook: Chapter 9- Lumbar
Spine, Sacrum, and Coccyx
A portion of the lamina located between the superior and inferior articular
processes is called the: - CORRECT ANSWER-Pars interarticularis
The superior and inferior vertebral notches join together to form the:
a.) Vertebral foramen
b.) Intervertebral foramina
c.) Pedicle
d.) Lamina
Which radiographic position best demonstrates the structure identified in the
previous question? - CORRECT ANSWER-b.) Intervertebral foramina
Lateral position
The small foramina found in the sacrum are called: - CORRECT ANSWER-Pelvic
sacral foramina
The anterior and superior aspect of the sacrum that forms the posterior wall of
the pelvic inlet is called the: - CORRECT ANSWER-Promontory
What is another term for the sacral horns? - CORRECT ANSWER-Cornula
The sacroilias joints lie at an oblique angle of ___* to the coronal plane. -
CORRECT ANSWER-30*
What is the formal term for the "tail bone" - CORRECT ANSWER-Coccyx
What is the name for the superior broad aspect of the coccyx? - CORRECT
ANSWER-Base
Classification/Mobility/Movement
Zygapophyseal - CORRECT ANSWER-Synovial/diarthrodial/plane or gliding
, Classification/Mobility/Movement
Intervertebral - CORRECT ANSWER-Cartilaginous/amphiarthrodial (slightly
movable)/none
List the specific joints or foramina that are demonstrated with the following
lumbar spine positions:
LPO:
RAO:
Lateral:
RPO:
LAO: - CORRECT ANSWER-LPO: Left zygapophyseal joint
RAO: Left zygapophyseal joint
Lateral: Intervertebral foramina
RPO: Right zygapophyseal joints
LAO: Right zygapophyseal joints
The degree of obliquity required for an oblique projection at the T12-L1 level is
approximately____*, whereas the L5-S1 level spine requires a ____* oblique.
Therefore, a____* oblique is performed for the general lumbar spine. -
CORRECT ANSWER-T12-L1: 50*
L5-S1: 30*
general lumbar: 45*
Vertebral level:
ASIS
Xiphoid process
Lower costal margin
Iliac crest
Symphysis pubis - CORRECT ANSWER-S1-S2
T9-T10
L2-L3
L4-L5
Top of coccyx
True/False
The use of higher kV and lower mAs for lumber spine radiography improves
radiographic contrast but increases patient dose - CORRECT ANSWER-False
Spine, Sacrum, and Coccyx
A portion of the lamina located between the superior and inferior articular
processes is called the: - CORRECT ANSWER-Pars interarticularis
The superior and inferior vertebral notches join together to form the:
a.) Vertebral foramen
b.) Intervertebral foramina
c.) Pedicle
d.) Lamina
Which radiographic position best demonstrates the structure identified in the
previous question? - CORRECT ANSWER-b.) Intervertebral foramina
Lateral position
The small foramina found in the sacrum are called: - CORRECT ANSWER-Pelvic
sacral foramina
The anterior and superior aspect of the sacrum that forms the posterior wall of
the pelvic inlet is called the: - CORRECT ANSWER-Promontory
What is another term for the sacral horns? - CORRECT ANSWER-Cornula
The sacroilias joints lie at an oblique angle of ___* to the coronal plane. -
CORRECT ANSWER-30*
What is the formal term for the "tail bone" - CORRECT ANSWER-Coccyx
What is the name for the superior broad aspect of the coccyx? - CORRECT
ANSWER-Base
Classification/Mobility/Movement
Zygapophyseal - CORRECT ANSWER-Synovial/diarthrodial/plane or gliding
, Classification/Mobility/Movement
Intervertebral - CORRECT ANSWER-Cartilaginous/amphiarthrodial (slightly
movable)/none
List the specific joints or foramina that are demonstrated with the following
lumbar spine positions:
LPO:
RAO:
Lateral:
RPO:
LAO: - CORRECT ANSWER-LPO: Left zygapophyseal joint
RAO: Left zygapophyseal joint
Lateral: Intervertebral foramina
RPO: Right zygapophyseal joints
LAO: Right zygapophyseal joints
The degree of obliquity required for an oblique projection at the T12-L1 level is
approximately____*, whereas the L5-S1 level spine requires a ____* oblique.
Therefore, a____* oblique is performed for the general lumbar spine. -
CORRECT ANSWER-T12-L1: 50*
L5-S1: 30*
general lumbar: 45*
Vertebral level:
ASIS
Xiphoid process
Lower costal margin
Iliac crest
Symphysis pubis - CORRECT ANSWER-S1-S2
T9-T10
L2-L3
L4-L5
Top of coccyx
True/False
The use of higher kV and lower mAs for lumber spine radiography improves
radiographic contrast but increases patient dose - CORRECT ANSWER-False
