Bontrager Ch 9 Self Test/Workbook
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Compared with the spinous processes of the cervical and thoracic spine, the lumbar spinous
processes are: - CORRECT ANSWER - Larger and more blunt
The anterior/superior ridge of the upper sacrum is called the: - CORRECT ANSWER -
Promontory
Each sacroiliac joint opens obliquely ______________ degrees posteriorly - CORRECT
ANSWER - 30
The angle of the midlumbar spine zygapophyseal joints in relation to the midsagittal plane is
________________________. - CORRECT ANSWER - 45
Where is the pars interarticularis found - CORRECT ANSWER - Between the superior and
inferior articular processes
The zygapophyseal joints of the lumbar spine are classified as ______________, as joints with
______________ type of joint movement. - CORRECT ANSWER - synovial; plane
(gliding)
The ear and front leg of the "Scottie dog" make up the ______________ joint, best seen in the
oblique position. - CORRECT ANSWER - zygapophyseal joints
Which of the following topographic landmarks corresponds to the L2-L3 level - CORRECT
ANSWER - Lower costal margin
, True/False: It is possible to shield females for an AP projection of the sacrum or coccyx if the
gonadal shields are correctly placed. - CORRECT ANSWER - False (would obscure
essential anatomy)
True/False: The female gonadal dose is approximately equal for either AP or PA projections of
the lumbar spine. - CORRECT ANSWER - False;AP results in 30% more dose than PA
Why should the knees and hips be flexed for an AP projection of the lumbar spine - CORRECT
ANSWER - Opens intervertebral disks
True/False: A lead mat or masking for lateral positions of the lumbar spine should not be used
with digital imaging. - CORRECT ANSWER - False
True/False: The efficiency of CT and MRI of the spine is reducing the number of myelograms
being performed. - CORRECT ANSWER - True
Anterior wedging and loss of vertebral body height are characteristic of: - CORRECT
ANSWER - Compression fracture
Which of the following conditions is often diagnosed by prenatal ultrasound - CORRECT
ANSWER - Spina bifida
True/False. Ankylosing spondylitis usually requires an increase in manual exposure factors. -
CORRECT ANSWER - False
Where is the central ray centered for an AP projection of the lumbar spine with a 30- × 35-cm
(11- × 14-inch) IR - CORRECT ANSWER - Level of L3 2" above iliac crest
Which set of zygapophyseal joints of the lumbar spine is best demonstrated with an LAO
position - CORRECT ANSWER - Right
UPDATED ACTUAL Exam Questions and
CORRECT Answers
Compared with the spinous processes of the cervical and thoracic spine, the lumbar spinous
processes are: - CORRECT ANSWER - Larger and more blunt
The anterior/superior ridge of the upper sacrum is called the: - CORRECT ANSWER -
Promontory
Each sacroiliac joint opens obliquely ______________ degrees posteriorly - CORRECT
ANSWER - 30
The angle of the midlumbar spine zygapophyseal joints in relation to the midsagittal plane is
________________________. - CORRECT ANSWER - 45
Where is the pars interarticularis found - CORRECT ANSWER - Between the superior and
inferior articular processes
The zygapophyseal joints of the lumbar spine are classified as ______________, as joints with
______________ type of joint movement. - CORRECT ANSWER - synovial; plane
(gliding)
The ear and front leg of the "Scottie dog" make up the ______________ joint, best seen in the
oblique position. - CORRECT ANSWER - zygapophyseal joints
Which of the following topographic landmarks corresponds to the L2-L3 level - CORRECT
ANSWER - Lower costal margin
, True/False: It is possible to shield females for an AP projection of the sacrum or coccyx if the
gonadal shields are correctly placed. - CORRECT ANSWER - False (would obscure
essential anatomy)
True/False: The female gonadal dose is approximately equal for either AP or PA projections of
the lumbar spine. - CORRECT ANSWER - False;AP results in 30% more dose than PA
Why should the knees and hips be flexed for an AP projection of the lumbar spine - CORRECT
ANSWER - Opens intervertebral disks
True/False: A lead mat or masking for lateral positions of the lumbar spine should not be used
with digital imaging. - CORRECT ANSWER - False
True/False: The efficiency of CT and MRI of the spine is reducing the number of myelograms
being performed. - CORRECT ANSWER - True
Anterior wedging and loss of vertebral body height are characteristic of: - CORRECT
ANSWER - Compression fracture
Which of the following conditions is often diagnosed by prenatal ultrasound - CORRECT
ANSWER - Spina bifida
True/False. Ankylosing spondylitis usually requires an increase in manual exposure factors. -
CORRECT ANSWER - False
Where is the central ray centered for an AP projection of the lumbar spine with a 30- × 35-cm
(11- × 14-inch) IR - CORRECT ANSWER - Level of L3 2" above iliac crest
Which set of zygapophyseal joints of the lumbar spine is best demonstrated with an LAO
position - CORRECT ANSWER - Right
