Lumbar Spine Special View Test Flashcards
What projection is demonstrated by placing the patient torso and legs posterioly as far as possible?
a.) hyperflexion
b.) L5-S1 spot
c.) hyperextension
d.) lateral lumbar spine
c.) hyperextension
What is the correct central ray angulation on the AP axial L5-S1 lumbar spine?
a.) 35 degrees for males and 30 degrees for females cephalad
b.) 5 degrees for males and 8 degreees for femals cephalad
c.) 10 degrees for males and 15 degrees for females cephalad
d.) 30 degrees for males and 35 degrees for females cephalad
d.) 30 degrees for males and 35 degrees for females cephalad
How much should the femur be abducted for the frog leg lateral femur projection?
a.) 10 degrees
b.) 10 to 15 degrees
c.) 45 degrees
d.) 20 degrees
c.) 45 degrees
Where is the central ray directed on the AP proximal femur projection?
a.) 1/2’’ distal to femoral neck
b.) 1’’ distal to mid femur
c.) 1’’ to 2’’ distal to femoral neck
d.) 2’’ distal to greater trochanter
c.) 1’’ to 2’’ distal to femoral neck
Which of the following evaluation criteria should be demonstrated on the hyperextension and hyperflexion pf the lumbar spine?
a.) all thoracic and lumbar spine
b.) lumbar spine to sacrum
c.) lumbar spine to coccyx
d.) thoracic spine and lumbar spine including 1 to 2’’ of iliac crest
d.) thoracic spine and lumbar spine including 1 to 2’’ of iliac crest
Which of the following evaluation criteria should be demonstrated on the AP axial projection of the lumbar spine?
a.) entire sacrum
b.) L5 S1 joint space
c.) SI joints
d.) L4
b.) L5 S1 joint space
c.) SI joints
Which of the following would be considered a trauma radiography guideline?
1.) removed all splints
2.) do not move the patient unless necessary
3.) obtain a minimum of two radiographs of each body part
a.) 1, 2 and 3
b.) 2 and 3
c.) 1 and 2
d.) 1 and 3
b.) 2 and 3
When performing a cross table lateral lumbar spine the IR may be placed in the upright bucky tray.
a.) true
b.) false
a.) true
What structures should be demonstrated in profile on the frog leg lateral projection of the femur?
a.) greater trochanter
b.) femoral neck
c.) distal femur
d.) femoral condyle
b.) femoral neck
Which of the following should always be demonstrated on the AP and lateral projection of the femur?
1.) entire hip joint
2.) entire knee joint
3.) entire orthopedic appliance
4.) only 1/2 of the orthopedic appliance is required
a.) 1 and 2
b.) 1 and 3
c.) 2 and 4
d.) 1, 2 and 3
d.) 1, 2 and 3
How is the femoral neck located on the AP proximal projection of the femur?
a.) 1 to 2’’ lateral and 3 to 4’’ distal to ASIS
b.) 2 to 3’’ medial and 2 to 3’’ distal to ASIS
c.) 1 to 2’’ medial 3 to 4’’ distal to ASIS
d.) 1 to 2’’ medial and 3 to 4’’ proximal to ASIS
c.) 1 to 2’’’ medial 3 to 4’’ distal to ASIS
What should be demonstrated on the AP distal projection of the femur?
a.) entire fibular head should be superimposed over the tibia
b.) medial half of the fibular should be superimposed over the tibia
c.) lateral half of the fibular head should be superimposed over the tibia
d.) edge of the medial fibular head should be superimposed over the tibia
b.) medial half of the fibular should be superimposed over the tibia
Which projection best demonstrates the L5- S1 joint space and SI joints?
a.) AP lumbar projection
b.) LPO projection
c.) L5-S1 spot
d.) AP axial lumbar projection
d.) AP axial lumbar projection
Which projection demonstrates the greater trochanter superimposed by the femur?
a.) AP proximal femur
b.) frog leg lateral
c.) AP distal femur
d.) lateral distal femur
b.) frog leg lateral
Which of the following demonstrates no rotation on the hyperextension and hyperflexion projections on the lumbar spine?
a.) rotation in sciatic notch
b.) closed intervertebral foramina
c.) closed joint spaces
d.) superimposed greater sciatic notch and posterior vertebral bodies
d.) superimposed greater sciatic notch and posterior vertebral bodies
WHich of the following evaluation criteria should be demonstrated on AP proximal femur?
a.) lesser trochanter should not be projected beyond the medial border of the femur
b.) lesser trochanter should be projected beyond the medial border of the femur
c.) lesser trochanter should not be seen at all
d.) lesser trochanter in profile
a.) lesser trochanter should not be projected beyond the medial border of the femur
What structures should be symmetric in size and shape on the distal AP projection of the femur?
a.) femur
b.) femoral and tibial condyles
c.) patella
d.) greater trochanter
b.) femoral and tibial condyles
Which of the following evaluation criteria should be demonstrated on the AP proximal projection of the femur?
1.) greater trochanter
2.) femoral head
3.) femoral neck
4.) lesser trochanter in profile
a.) 1 and 2
b.) 1 and 3
c.) 1, 2 and 4
d.) 1, 2 and 3
d.) 1, 2 and 3
Where is the central ray deirected on the AP axial lumbar spine projection?
a.) ASIS at midline of body
b.) iliac crest at the midline of the body
c.) mid sacrum
d.) anterior inferrior iliac spine
a.) ASIS at midline of body
Why should the patient be built up for the cross table lateral lumbar spine?
a.) to place the lumbar spine parallel
b.) to immobilize the patient
c.) to place the lumbar spine in the center of the IR
d.) to place the lumbar spine on the edge of the IR
c.) to place the lumbar spine in the center of the IR
What is right and left bending used for on a lumbar spine?
a.) strength of the spine
b.) degree of mobility of the vertebra
c.) height of the patient
d.) curvature of the spine
b.) degree of mobility of the vertebra
Which part position places the patient in the fetal position (bend forward) and draw legs up as much as possible?
a.) hyperextention
b.) hyperflexion
c.) lateral
d.) spot
b.) hyperflexion
WHere is the CR directed on the flexion and extension lumbar spine?
a.) 1 to 2’’ above iliac crest
b.) 1/2’’ above iliac crest
c.) site of fusion if known
d.) top of iliac crest
c.) site of fusion if known
For trauma AP lumbar spine where should the IR be placed?
a.) in wallboard
b.) in bucky, under slide board or under the patient
c.) on patient left side
d.) behind the patient head
b.) in bucky, under slide board or under the patient
How much should the leg be rotated for true AP projection of the knee?
a.) 0 degrees
b.) 5 degrees
c.) 10 degrees
d.) 10-20 degrees
b.) 5 degrees
FOr the entire knee joint to be included on the proximal AP projection of the femur. HOw far shold the lower margin of the IR be?
a.) 2’’ above knee joint
b.) mid patella
c.) 2’’ below knee joint
d.) mid knee
c.) 2’’ below knee joint
When performing a cross table lateral lumbar position the CR should be perpendicular to:
a.) L3
b.) T2
c.) T12
d.) L4-L5
d.) L4-L5
How many degrees should the leg be internally rotated on the AP proximal projection of the femur?
a.) 10 degrees
b.) 15 to 20 degrees
c.) 30 degrees
d.) 45 degrees
b.) 15 to 20 degrees
WHich of the following projections best demonstrates thoracic and lumbar vertebra, including 1 to 2’’ of the iliac crest?
a.) AP axial lumbar
b.) LPO
c.) right and left bending
d.) hyperflexion and hyperextension
d.) hyperflexion and hyperextension