Sacrum & Coccyx Test

Question 1

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

Answer 1

a.) lesser trochanter should not be projected beyond the medial border of the femur

Question 2

Which of the following are demonstrated on the frog leg lateral femur?
1.) femoral head and neck
2.) trochanteric area
3.) proximal one third of the femur
4.) greater trochanter in profile

a.) 1 and 2
b.) 2 only
c.) 2 and 4
d.) 1, 2 and 3

Answer 2

d.) 1, 2 and 3

Question 3

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

Answer 3

d.) 1, 2 and 3

Question 4

For the lateral sacrum and coccyx, which of the following evaluation criteria should be demonstrated? Choose all that apply.

a.) sacrum
b.) coccyx
c.) L5 S1 joint space
d.) L5

Answer 4

a.) sacrum
b.) coccyx
c.) L5 S1 joint space

Question 5

What is the correct CR angulation on the AP axial projection of the coccyx?

a.) 15 degrees cephalad
b.) 10 degrees cephalad
c.) 15 degrees caudad
d.) 10 degrees caudad

Answer 5

d.) 10 degrees caudad

Question 6

Where is the central ray directed on the AP proximal femur projection?

a.) 1/2’’ distal to femoral neck
b.) 1’’ to 2’’ distal to femoral neck
c.) 1’’ distal to mid femur
d.) 2’’ distal to greater trochanter

Answer 6

b.) 1’’ to 2’’ distal to femoral neck

Question 7

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 projection beyond the medial border of the femur
c.) lesser trochanter should not be seen at all
d.) lesser trochnater not in profile

Answer 7

a.) lesser trochanter should not be projected beyond the medial border of the femur

Question 8

If patient is unable to be performed supine, prone may be done instead. What is the CR angulation on the PA axial sacrum?

a.) no angulation
b.) 10 degrees cephalad
c.) 15 degrees cephalad
d.) 15 degrees caudad

Answer 8

d.) 15 degrees caudad

Question 9

Which projection demonstrates the greater trochanter superimposed by the femur?

a.) AP proximal femur
b.) frog leg lateral femur
c.) AP distal femur
d.) lateral distal femur

Answer 9

b.) frog leg lateral femur

Question 10

Which of the following evaluation criteria should be demonstrated on the AP axial sacrum? Choose all that apply

a.) sacrum
b.) coccyx
c.) SI joints
d.) L5 S1 joint space

Answer 10

a.) sacrum
c.) SI joints
d.) L5 S1 joint space

Question 11

To ensure that both joints are included on an AP projection of the tibia and fibula on an adult, the technologist should:

a.) use bucky tray
b.) increase the SID to 60 inches
c.) use a tabletop technique
d.) use two seperate films

Answer 11

d.) use two seperated films

Question 12

Which of the folloiwng evalatation criteria demonstrates no rotation on the latearl sacrum and coccyx?

a.) superimposed lesser sciatic notch
b.) superimposed greater sciatic notches and femoral heads
c.) only femoral heads superimposed
d.) L5 S1 joint space closed

Answer 12

b.) superimposed greater sciatic notches and femoral heads

Question 13

Where should the CR and IR be directed on the AP scapula projection? Choose all that apply.

a.) CR to midscapula
b.) IR 2’’ above top of shoulder
c.) 2’’ medial from lateral border of the scapula
d.) CR to scapular spine
e.) IR 2’’ below shoulder
f.) 4’’ medial to lateral border of the scapula

Answer 13

a.) CR to midscapula
b.) IR 2’’ above top of shoulder
c.) 2’’ medial from lateral border of the scapula

Question 14

How should IR be placed to include injury to the knee on a lower leg exam?

a.) IR should be placed in the center of the lower leg
b.) 14 x 17 IR should inclued knee and lower leg
c.) 10 x 12 IR should include knee and lower leg
d.) 14 x 17 should include the ankle joint

Answer 14

b.) 14 x 17 IR should include knee and lower leg

Question 15

Which of the following evaluation criteria woudl show correct alignment of the AP axial sacrum? Choose all that apply.

a.) sacrum free of foreshortening
b.) sacrum should appear foreshortened
c.) sacral foramina will be superimposed
d.) sacral foramina will not be superimposed

Answer 15

a.) sacrum free of foreshortening
d.) sacral foramina will not be superimposed

Question 16

How many degrees should the leg be internally rotated on the AP proximal projection of the femur?

a.) 10 degree
b.) 15 to 20 degree
c.) 30 degrees
d.) 45 degrees

Answer 16

b.) 15 to 20 degrees

Question 17

The CR angulation should not be reveersed on the prone axial coccyx projection.

a.) true
b.) false

Answer 17

b.) false

Question 18

Where is the CR directed for the lateral projection of the coccyx? Choose all that apply.

a.) 3 to 4’’ posterior to ASIS
b.) 2’’ distal to ASIS
c.) 2 to 3’’ anterior to ASIS
d.) 1’’ distal to ASIS

Answer 18

a.) 3 to 4’’ posterior to ASIS
b.) 2’’ distal to ASIS

Question 19

Where should the CR be directed for the on the AP axial projection of the sacrum?

a.) level of pubic symphisis
b.) 1’’ superior to pubic symphisis
c.) 2’’ superior to pubic symphisis
d.) 1’’ inferior to pubic symphisis

Answer 19

c.) 2’’ superior to pubic symphisis

Question 20

How much of the femurs should be demonstrated on the AP distal femur?

a.) distal 1/2
b.) distal two thirds of the femur
c.) proximal two thirds of the femur
d.) mid femur to knee

Answer 20

b.) distal two thirds of the femur

Question 21

What should be demonstrated on the AP distal projection of the femur?

a.) entire fibular head should be superimposed over the ribs
b.) medial half of the fibular head 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

Answer 21

b.) medial half of the fibular head sshould be sueprimpsoed over the tibia

Question 22

The two flatlike superior surfaces of the tibia are called the:

a.) tibial plateaus
b.) tubercles
c.) condyles
d.) malleoli

Answer 22

a.) tibial plateaus

Question 23

Which of the following evaluation criteria should be demonstrated on the AP axial coccyx projection? Choose all that apply.

a.) coccyx free of superimposition
b.) coccyx superoior to pubis
c.) coccyx equidistant from walls of pelvic opening
d.) coccyx superimposed by sacrum
e.) coccygeal segments closed

Answer 23

a.) coccyx free of sueprimposition
b.) coccyx superior to pubis
c.) coccyx equidistant from walls of pelvic opening

Question 24

For the entire knee joint to be included on the proximal AP projection of the femur. How far should the lower margin of the IR be?

a.) 2’’ above knee joint
b.) mid patella
c.) 2’’ below knee joint
d.) mid knee

Answer 24

c.) 2’’ below knee joint

Question 25

Which of the following is the correct CR angulation for the AP sacrum projection?

a.) no angulation
b.) 10 degrees cephalad
c.) 10 degrees caudad
d.) 15 degrees cephalad

Answer 25

d.) 15 degrees cephalad

Question 26

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 trocchanter in profile

a.) 1 and 2
b.) 1 and 3
c.) 1, 2 and 4
d.) 1, 2 and 3

Answer 26

d.) 1, 2 and 3

Question 27

How is the central ray directed for the PA axial projection (holmblad method) of the ICF?

a.) perp to the lower lrg
b.) perp to the femur
c.) perp to the patella
d.) 40 to 50 degrees to lower leg

Answer 27

a.) perp to the lower leg

Question 28

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 and 3 to 4’’ distal to ASIS
d.) 1 to 2’’ medial and 3 to 4’’ proximal to asis

Answer 28

c.) 1 to 2’’ medial and 3 to 4’’ distal to ASIS

Question 29

Which of the following indicates no rotaiton on the AP axial sacrum projection? Choose all that apply.

a.) coccyx aligned with pubic symphisis
b.) coccyx should be tilted
c.) medial sagital sacral crest rotated to the right of the pubic symphiss
d.) meidal sagital sacral crest aligned with pubic symphisis

Answer 29

a.) coccyx aligned with pubic symphisis
d.) medial sagital crest aligned with pubic symphisis

Question 30

The correct CR direction should be 2’’ superior to the pubic symphisis on both the AP sacrum and the AP coccyx.

a.) true
b.) false

Answer 30

a.) true