Radiographic procedures Chapter 9 Exam Questions and Answers Already Passed
What is the large wing like mass on each side of the sacral base called - Answers Ala
What is the angle of articulation between the sacrum and the ilia - Answers 25 to 30 degrees
What is the average number of segments that make up the adult coccyx - Answers 4
What is the term for the superior aspect of the coccyx - Answers Base
What is the small section of bone found between the superior and inferior articular processes of the
lumbar spine - Answers Pars Interarticularis
What is the anterior projecting bony process of the sacrum that forms parts of the inlet of the true
pelvis - Answers Sacral promontory
Is the long axis of the sacrum generally angled more posteriorly in males or females - Answers Females
Which one of the sacrum structures is considered to be most posterior - Answers Median sacral crest
Which specific aspect of the sacrum articulates with the ilium to form the sacroiliac joint - Answers
Auricular surface
Is a male or female more likely to suffer a fracture of the coccyx due to a backward, sitting type of fall -
Answers Female
What is the joint classification of the zygapophyseal joints - Answers Synovial/Diarthrodial
What type of joint movement occurs with the zygapophyseal joints - Answers Plane
Can carefully placed gonadal shielding be used on male patients for the AP lumbar spine projection -
Answers Yes (true)
What topographic landmark corresponds with L2-L3 - Answers Lower costal margin
What plane is placed perpendicular to the tabletop and centered to the midline of the grid for a lateral
lumbar spine - Answers Midcoronal plane
Why should the hips and knees be flexed for an AP projection of the lumbar spine - Answers For patient
comfort, To reduce the lumbar curvature, To reduce vertebral column OID
What are the intervertebral joints in the lumbar spine classified as - Answers
Cartilaginous/Amphiarthrodial
What does a lateral lumbar projection with accurate positioning demonstrate - Answers Open
intervertebral disc spaces, Interverebral foramina
What structure is located at the level of the ASIS - Answers S1-S2
, What is a key advantage of a PA projection taken during a pediatric scoliosis study as compared with the
AP projection - Answers It reduces breast and thyroid dose by 90%
What should be done to reduce scatter radiation from reaching the image receptor for the lateral
lumbar, sacrum, and coccyx projections - Answers Place a lead mat on the tabletop behind the patient
How much higher is the female gonadal dose for an AP projection of the lumbar spine as compared with
a PA projection with the same centering and collimation field size - Answers 25-30% higher
What size IR should be used for a lateral L5-S1 projection - Answers 8 x 10 lengthwise
How should a patient that has scoliosis be placed for a lateral spine projection - Answers The convexity
of the spine should be down toward the image receptor to better open the intervertebral spaces
What is the angle of the zygapophyseal joints of the lumbar spine from the midsaggital plane - Answers
30 to 50 degrees
What must the central ray be parallel to for a lateral L5-S1 projection - Answers Interiliac line
Where does the central ray enter for an AP axial projection of the sacrum - Answers 2 inches above the
symphysis pubis
How would a less than optimal AP axial sacral projection demonstrating sacral foreshortening be
obtained - Answers With an insufficient amount of cephalic central ray angulation
What is the central ray centering point for an AP oblique lumbar spine - Answers 2 inches medial to the
elevated ASIS at the level of L3
What is the average degree of rotation required to demonstrate the L3-L4 zygapophyseal joint - Answers
45 degrees
For an AP axial coccygeal projection - Answers the patient should empty the bladder and colon before
the examination, central ray is centered to the midsaggital plane at a level 2 inches superior to the
symphysis pubis
How many degrees are the zygapophyseal joints of the upper limb vertebrae in relationship to the
midsagittal plane - Answers 50 degrees
An AP oblique lumbar projection with accurate positioning demonstrates - Answers the superior and
inferior articular processes in profile, scotty dogs that are stacked on top of one another, the pedicles
situated closest to the IR in the center of the vertebral bodies
What does the LPO position for the sacroiliac joints best demonstrate - Answers The right SI joint
What CR angulation should be used for a lateral sacrum/coccyx projection - Answers None, the CR is
perpendicular to the IR
What is the large wing like mass on each side of the sacral base called - Answers Ala
What is the angle of articulation between the sacrum and the ilia - Answers 25 to 30 degrees
What is the average number of segments that make up the adult coccyx - Answers 4
What is the term for the superior aspect of the coccyx - Answers Base
What is the small section of bone found between the superior and inferior articular processes of the
lumbar spine - Answers Pars Interarticularis
What is the anterior projecting bony process of the sacrum that forms parts of the inlet of the true
pelvis - Answers Sacral promontory
Is the long axis of the sacrum generally angled more posteriorly in males or females - Answers Females
Which one of the sacrum structures is considered to be most posterior - Answers Median sacral crest
Which specific aspect of the sacrum articulates with the ilium to form the sacroiliac joint - Answers
Auricular surface
Is a male or female more likely to suffer a fracture of the coccyx due to a backward, sitting type of fall -
Answers Female
What is the joint classification of the zygapophyseal joints - Answers Synovial/Diarthrodial
What type of joint movement occurs with the zygapophyseal joints - Answers Plane
Can carefully placed gonadal shielding be used on male patients for the AP lumbar spine projection -
Answers Yes (true)
What topographic landmark corresponds with L2-L3 - Answers Lower costal margin
What plane is placed perpendicular to the tabletop and centered to the midline of the grid for a lateral
lumbar spine - Answers Midcoronal plane
Why should the hips and knees be flexed for an AP projection of the lumbar spine - Answers For patient
comfort, To reduce the lumbar curvature, To reduce vertebral column OID
What are the intervertebral joints in the lumbar spine classified as - Answers
Cartilaginous/Amphiarthrodial
What does a lateral lumbar projection with accurate positioning demonstrate - Answers Open
intervertebral disc spaces, Interverebral foramina
What structure is located at the level of the ASIS - Answers S1-S2
, What is a key advantage of a PA projection taken during a pediatric scoliosis study as compared with the
AP projection - Answers It reduces breast and thyroid dose by 90%
What should be done to reduce scatter radiation from reaching the image receptor for the lateral
lumbar, sacrum, and coccyx projections - Answers Place a lead mat on the tabletop behind the patient
How much higher is the female gonadal dose for an AP projection of the lumbar spine as compared with
a PA projection with the same centering and collimation field size - Answers 25-30% higher
What size IR should be used for a lateral L5-S1 projection - Answers 8 x 10 lengthwise
How should a patient that has scoliosis be placed for a lateral spine projection - Answers The convexity
of the spine should be down toward the image receptor to better open the intervertebral spaces
What is the angle of the zygapophyseal joints of the lumbar spine from the midsaggital plane - Answers
30 to 50 degrees
What must the central ray be parallel to for a lateral L5-S1 projection - Answers Interiliac line
Where does the central ray enter for an AP axial projection of the sacrum - Answers 2 inches above the
symphysis pubis
How would a less than optimal AP axial sacral projection demonstrating sacral foreshortening be
obtained - Answers With an insufficient amount of cephalic central ray angulation
What is the central ray centering point for an AP oblique lumbar spine - Answers 2 inches medial to the
elevated ASIS at the level of L3
What is the average degree of rotation required to demonstrate the L3-L4 zygapophyseal joint - Answers
45 degrees
For an AP axial coccygeal projection - Answers the patient should empty the bladder and colon before
the examination, central ray is centered to the midsaggital plane at a level 2 inches superior to the
symphysis pubis
How many degrees are the zygapophyseal joints of the upper limb vertebrae in relationship to the
midsagittal plane - Answers 50 degrees
An AP oblique lumbar projection with accurate positioning demonstrates - Answers the superior and
inferior articular processes in profile, scotty dogs that are stacked on top of one another, the pedicles
situated closest to the IR in the center of the vertebral bodies
What does the LPO position for the sacroiliac joints best demonstrate - Answers The right SI joint
What CR angulation should be used for a lateral sacrum/coccyx projection - Answers None, the CR is
perpendicular to the IR
