SPI EXAMS BUNDLE STUDY GUIDE 2026
QUESTIONS WITH SOLUTIONS GRADED
A+
>> What is the film size for AP LS Spine?
Answer: 14x17 LW (LS Spine)
>> How is the patient positioned for AP LS Spine?
Answer: Supine, midsagittal plane centered to IR, shoulders and hips aligned, arms at patient’s side
>> How is the part positioned for AP LS Spine?
Answer: Flex hips and knees to reduce lumbar curvature, support knees, flex knees before CR entry
>> Where is the central ray directed for AP LS Spine?
Answer: 90° to iliac crest (L4)
>> What anatomy is demonstrated on AP LS Spine?
Answer: T12, SI joints, sacrum, coccyx, lumbar vertebral bodies, spinous processes, pedicles,
intervertebral disk spaces
>> What is the film size for AP Axial (Upshot) L5-S1 / SI joints?
Answer: 10x12 CW
>> How is the patient positioned for AP Axial L5-S1?
Answer: Supine, midsagittal plane centered to IR, shoulders and hips aligned, arms at patient’s side
>> How is the part positioned for AP Axial L5-S1?
Answer: Extend patient’s legs, center IR to level of iliac crest
>> Where is the central ray directed for AP Axial L5-S1?
Answer: Angle 30° male / 35° female cephalad, entering approx 3" inferior to iliac crest at level of ASIS
(S2)
>> What anatomy is demonstrated on AP Axial L5-S1?
Answer: L5-S1 intervertebral disk space, sacrum, SI joints
>> What projections are included in PA Oblique Lumbar Spine?
Answer: PA Oblique LS Spine (RAO & LAO), always bilateral for comparison
>> What is the film size for AP Oblique Lumbar Spine?
QUESTIONS WITH SOLUTIONS GRADED
A+
>> What is the film size for AP LS Spine?
Answer: 14x17 LW (LS Spine)
>> How is the patient positioned for AP LS Spine?
Answer: Supine, midsagittal plane centered to IR, shoulders and hips aligned, arms at patient’s side
>> How is the part positioned for AP LS Spine?
Answer: Flex hips and knees to reduce lumbar curvature, support knees, flex knees before CR entry
>> Where is the central ray directed for AP LS Spine?
Answer: 90° to iliac crest (L4)
>> What anatomy is demonstrated on AP LS Spine?
Answer: T12, SI joints, sacrum, coccyx, lumbar vertebral bodies, spinous processes, pedicles,
intervertebral disk spaces
>> What is the film size for AP Axial (Upshot) L5-S1 / SI joints?
Answer: 10x12 CW
>> How is the patient positioned for AP Axial L5-S1?
Answer: Supine, midsagittal plane centered to IR, shoulders and hips aligned, arms at patient’s side
>> How is the part positioned for AP Axial L5-S1?
Answer: Extend patient’s legs, center IR to level of iliac crest
>> Where is the central ray directed for AP Axial L5-S1?
Answer: Angle 30° male / 35° female cephalad, entering approx 3" inferior to iliac crest at level of ASIS
(S2)
>> What anatomy is demonstrated on AP Axial L5-S1?
Answer: L5-S1 intervertebral disk space, sacrum, SI joints
>> What projections are included in PA Oblique Lumbar Spine?
Answer: PA Oblique LS Spine (RAO & LAO), always bilateral for comparison
>> What is the film size for AP Oblique Lumbar Spine?
