Knee Special View Test

Question 1

Where is the central ray directed on the lateral projection of the knee?

a.) 1/2’’ inferior to apex of patella
b.) 1’’ inferior to apex of patella
c.) 1’’ distal to medial epicondyle
d.) 2’’ distal to medial epicondyle

Answer 1

c.) 1’’ distal to medial epicondyle

Question 2

What is the proper rotation for the lateral oblique projection of the knee?

a.) 10 degrees
b.) 20 degrees
c.) 30 degrees
d.) 45 degrees

Answer 2

d.) 45 degrees

Question 3

Where is the central ray directed for the beclere method?

a.) 1’’ above patella
b.) mid patella
c.) 1/2’’ distal to apex of patella
d.) 1/2’’ above patella

Answer 3

c.) 1/2’’ distal to apex of patella

Question 4

The main difference in the ICF variations is the flexion of the pateints knee.

a.) true
b.) false

Answer 4

b.) false

Question 5

What is the main clinical purpose fro the AP weight bearing projection of the knee?

a.) open joint space
b.) closed joint space
c.) arthiritis
d.) size of patella

Answer 5

c.) arthiritis

Question 6

Which of the following evaluation criteria demonstrates under rotation on the lateral knee projection?

a.) less superimposition of fibular head
b.) more superimposition of fibular head
c.) no superimposition of fibular head
d.) 1/2 of fibula head is superimposed over the fibula

Answer 6

b.) more superimposition of fibular head

Question 7

Evaluation Criteria: AP Ankle

1.) medial and lateral malleoli
2.) normal overlapping of tibiofibular articulation
3.) tibiofibular articulation open
4.) talus slightly overlapping the distal fibula
5.) distal tibia and fibula overlap some of the talus
6.) talus with proper brightness
7.) tibiotalar joint space

a.) 1 only
b.) 1 and 2
c.) 3 and 6
d.) 1, 2, 4, 6 and 7

Answer 7

d.) 1, 2, 4,6 and 7

Question 8

For the AP weight bearing knee projection on an average patient, the central ray should be:

a.) 10 degree caudad
b.) 5 to 10 degree cephalad
c.) perpendicular to the image receptor
d.) central ray perpendicular to the image recptor but increase SID to 60 inches

Answer 8

c.) perpendiculaar to the image recptor

Question 9

Evaluation Criteria: Lateral Heel

1.) no rotation of the heel
2.) tuberosity in profile
3.) closed talocalcaneal joint
4.) calcaneus and subtalar joint
5.) sinus tarsi open

a.) 1, 2 and 5
b.) 1 only
c.) 2 and 4
d.) 1, 2, 4 and 5

Answer 9

d.) 1, 2, 4 and 5

Question 10

In the true lateral position of the knee witout any rotation the ______________ should be directly superimposed.

a.) fibula and tibia
b.) femoral condyles
c.) femur and patella
d.) fibula head and tibia

Answer 10

b.) femoral condyles

Question 11

Where is the central ray directed on the lateral oblique projection of the knee?

a.) knee joint
b.) 1/2’’ below apex of patella
c.) 1’’ below the apex of the patella
d.) 1/2’’ above patella

Answer 11

b.) 1/2’’ below apex of patella

Question 12

For an AP projection of the ankle , the central ray must enter the:

a.) talus
b.) subtalar joint
c.) talofibular joint
d.) ankle joint, midway between the malleoli

Answer 12

d.) ankle joint, midway between the malleoli

Question 13

What structures are demonstrated on the AP weight bearing projection of the knee?

1.) distal femur
2.) proximal tibia and fibula
3.) femorotibial joint space
4.) one half of the proximal fibula is superimposed by the tibia
5.) proximal tibiofibular joint space open
6.) head of fibula visualized without superimposition

a.) 1 and 2
b.) 1, 2 and 3
c.) 2 and 4
d.) 1, 2, 3 and 4
e.) 1, 2, 5, and 6
f.) 2, 5 and 6

Answer 13

d.) 1, 2, 3 and 4

Question 14

Which of the following positions can be used to demonstrate the fossa using the holmblad method?

1.) standing (horizontal central ray)
2.) kneeling on the table (vertical central ray)
3.) standing with knee on stool ( vertical central ray)

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

Answer 14

c.) 2 and 3

Question 15

How much should the leg be internally rotated for the true AP knee projection?

a.) 0 degrees
b.) 3 to 5 degrees
c.) 10 degrees
d.) 45 degrees

Answer 15

b.) 3 to 5 degrees

Question 16

What central angulation is required for an AP projection of the knee on a patient with an ASIS to tabletop measurement of 18cm?

a.) 3 to 5 degrees caudad
b.) CR is perpendicular to the IR
c.) 3 to 5 degrees cephalad
d.) 10 to 15 degrees cephalad

Answer 16

a.) 3 to 5 degrees caudad

Question 17

How much should the knee be flexed for a true lateral projection?

a.) leg should not be flexed
b.) 5 degrees
c.) 10 degrees
d.) 20 to 30 degrees

Answer 17

d.) 20 to 30 degrees

Question 18

When the ASIS to tabletop measurement is between 19 and 24 cm the central ray angulation for an AP knee is?

a.) 0 degrees
b.) 5 degrees cephalad
c.) 5 degrees caudad
d.) 7 degrees cephalad

Answer 18

a.) 0 degrees

Question 19

What are the main structures demonstrated on the camo coventry, holmblad and beclere methods?

a.) ICF- intercodylar fossa in profile
b.) patella
c.) femur
d.) tibia and fibula

Answer 19

a.) ICF- intercondylar fossa in profile

Question 20

Where should the CR be directed on AP weight bearing projection of theknee?

a.) between knee joint, 1/2’’ below apex of patella
b.) level of femoral condyles
c.) between knee joint, 1/2’’ above base of patella
d.) level of tibial condyles

Answer 20

a.) between knee joint, 1/2’’ below apex of patella

Question 21

The central ray angulation for a lateral knee projection of the knee is:

a.) 0 degrees
b.) 10 to 15 degrees
c.) 25 to 30 degrees
d.) 5 to 7 degrees

Answer 21

d.) 5 to 7 degrees

Question 22

On the AP projection of the knee the ____________ is seen in the center of the intercondylar fossa

a.) patella
b.) tibial plateau
c.) tibial tuberosity
d.) intercondylar eminence

Answer 22

d.) intercondylar eminence

Question 23

Evaluation Criteria: AP Lower Leg

1.) some overlap of proximal and distal articulations of tibia and fibula
2.) distal fibula lying over tibia
3.) slight overlap of tibia on proximal fibular head
4.) fibular midshaft free of tibial superimposition
5.) moderate seperation of tibial and fibular bodies or shafts

a.) 1 and 4
b.) 4 only
c.) 2
d.) 5

Answer 23

a.) 1 and 4

Question 24

When the ASIS to tabletop mmeasurement is >24 cm the central ray angulation for an AP knee is?

a.) 0 degree angle
b.) 3 to 5 degrees caudad
c.) 10 degrees caudad
d.) 3 to 5 degrees cephalad

Answer 24

d.) 3 to 5 degrees cephalad

Question 25

What is the proper obliquity for AP medial oblique knee?

a.) 0 degrees
b.) 3 to 5 degrees
c.) 45 degrees internal rotation
d.) 45 degrees external rotation

Answer 25

c.) 45 degrees internal rotation

Question 26

How is the central ray directed for the holmblad method of the intercondylar fossa?

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

Answer 26

a.) perpendicular to the lower leg

Question 27

Which projection shows half of the patella on the medial side of the knee?

a.) AP
b.) medial oblique
c.) PA
d.) lateral

Answer 27

b.) medial oblique

Question 28

A radiograph of a mortise view of the ankle reveals that the lateral malleolus is slightly superimposed over the talus and the lateral joint space is not open. What is most likely the cause for this radiographic outcome?

a.) excessive plantar flexion of the foot and ankle
b.) excessive medial rotation of the foot and ankle
c.) excessive dorsiflexion of the foot and ankle
d.) insufficient medial rotation of the foot and ankle

Answer 28

d.) insufficient medial rotation of the foot and ankle

Question 29

Which of the following methods are used to demonstrate the intercondylar fossa?
1.) holmblad (PA axial)
2.) camp coventry (PA axial)
3.) AP lateral oblique
4.) beclere

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

Answer 29

d.) 1, 2 and 4

Question 30

Evaluation Criteria: Lateral Ankle

1.) distal tibia adn fibula, talus, calcaneus and adjacent tarsals
2.) tibiotalar joint well visualized
3.) fibula over posterior half of tibia
4.) fifth metatarsal base and tuberosity should be seen to check for jones fracture

Answer 30

1, 2, 3, 4

Question 31

A correctly positioned AP 45 degree medial oblique ankle projection frequently may also demonstrate a fracture of the base fo the fifth metatarsal if present.

a.) true
b.) false

Answer 31

a.) true

Question 32

Which projection shows the patella in profile?

a.) AP
b.) lateral
c.) medial oblique
d.) lateral oblique

Answer 32

b.) lateral

Question 33

What structures are demonstrated on the AP weight bearing projection of the knee?
1.) dsital femur
2.) proximal tibia and fibula
3.) femorotibial joint space
4.) one half of the proximal fibula is superimposed by tibia

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

Answer 33

d.) 1, 2, 3 and 4

Question 34

A correctly positioned lateral ankle will demonstrate the lateal malleolus superimposed over the posterior half of the tibia.

a.) true
b.) false

Answer 34

a.) true

Question 35

How much is the knee joint flexed for the PA axial projection (holmblad method) of the intercondylar fossa?

a.) 20 degrees
b.) 45 degrees
c.) 50 degrees
d.) 60 to 70 degrees

Answer 35

d.) 60 to 70 degrees

Question 36

Posteriorly, the femoral condyles are seperated by a deep depression called the:

a.) popliteal surface
b.) intercondylar eminence
c.) patellar surface
d.) intercondylar fossa

Answer 36

d.) intercondylar fossa

Question 37

How far should the patient lean forward for the holmblad projection of the knee?

a.) 10 to 15 degrees
b.) 20 to 30 degrees
c.) 40 to 50 degrees
d.) 60 degrees

Answer 37

b.) 20 to 30 degrees

Question 38

The proper name for the AP axial projection of the intercondylar fossa of the knee is termed the __________ method.

a.) AP standing method
b.) homblad
c.) camp coventry
d.) beclere

Answer 38

d.) beclere

Question 39

Where is the central ray directed for the ICF projection of the knee in the prone position?

a.) perpendicular to lower leg, 40 to 50 degrees caudad
b.) parallel to patella
c.) perpendicular to patella
d.) perpendicular to lower leg, 40 to 50 degrees cephalad

Answer 39

a.) perpendicular to lower leg, 40 to 50 degrees caudad

Question 40

WHat is the correct flexion of theknee for the camp coventry method?

a.) 10 degrees
b.) 20 degrees
c.) 40 to 50 degrees
d.) 60 to 70 degrees

Answer 40

c.) 40 to 50 degrees

Question 41

Which of the following evaluation criteria demonstrates over rotation on the lateral knee projection?

a.) less superimposition of fibular head
b.) more superimposition of fibular head
c.) no superimposition of fibular head
d.) 1/2 of fibula head is superimposed over the fibula

Answer 41

a.) less superimposition of fibular head

Question 42

Which of the following structure should be demonstrated on the lateral oblique projection of the knee?
1.) distal femur
2.) proximal tibia and fibula
3.) patella superimposing the lateral femoral condyle
4.) medial condyles of femur and tibia demonstrated in profile

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

Answer 42

d.) 1, 2, 3 and 4

Question 43

Which of the following reasons is the beclere method not a preferred projection for the ICF?

a.) less distortion from the CR angle and decreased part- IR distance
b.) uncomfortable for the patient
c.) complete kneeling on the table is necessary
d.) distortion from CR angle and increased part - IR distance

Answer 43

d.) distortion from CR angle and increased part- IR distance