Routine Knee Test

Question 1

An internally rotated oblique elbow projection with accurate positioning demonstrates which of the following structures in profile?
1.) capitulum
2.) radial head
3.) medial epicondyle
4.) coronoid process

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

Answer 1

d.) 3 and 4 only

Question 2

The CR is directed to mid elbow joint how is mid elbow joint located?

a.) 1/2’’ distal to midpoint of line between epicondyles
b.) 1/4’’ distal to midpoint of line between epicondyles
c.) 3/4’’ distal to midpoint of line between epicondyles
d.) 3/4’’ proximal to midpoint of line between epicondyles

Answer 2

c.) 3/4’’ distal to midpoint of line between epicondyles

Question 3

Which of the following projections of the elbow will demonstrate the olecranon process within the olecranon fossa?

a.) AP, partial flexion
b.) AP oblique, lateral rotation
c.) AP oblique, medial rotation
d.) AP, acute flexion

Answer 3

c.) AP oblique, medial rotation

Question 4

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

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 4

c.) 1’’ distal to medial epicondyle

Question 5

Which of the following projections of the elbow will demonstrate the radial head and neck free of superimposition?

a.) AP oblique projection, lateral rotation
b.) AP oblique projection, medial rotation
c.) AP projection, partial flexion
d.) AP projection, acute flexion

Answer 5

a.) AP oblique projection, lateral rotation

Question 6

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 6

d.) intercondylar eminence

Question 7

For an externally rotated AP oblique elbow projection with accurate positioning, the
1.) capitulum is in profile
2.) capitulum- radial joint space is open
3.) coronoid process is in profile
4.) ulna is demonstrated without radial head superimposition

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

Answer 7

c.) 1, 2 and 4 only

Question 8

For the AP projection of the elbow, the hand is:

a.) placed in the 45 degree oblique position
b.) placed in the lateral position
c.) pronated
d.) supinated

Answer 8

d.) supinated

Question 9

What is the correct central ray angulation on the lateral knee projection?

a.) 3 to 5 degrees cephalad
b.) 0 degrees
c.) 3 to 5 degrees caudad
d.) 5 to 7 degrees cephalad

Answer 9

d.) 5 to 7 degrees cephalad

Question 10

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 10

a.) less superimposition of fibular head

Question 11

Which projection best demonstrates the medial half of the fibular head superimposed by the tibia?

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

Answer 11

c.) AP

Question 12

The capitulum of the humerus articulates with the:

a.) radial head
b.) lateral epicondyle
c.) ulnar coronoid process
d.) trochlea

Answer 12

a.) radial head

Question 13

Which projection shows the patella in profile?

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

Answer 13

b.) lateral

Question 14

An AP elbow projection with accurate positioning demonstrates
1.) the medial and lateral humeral epicondyles in profile
2.) the radial tuberosity in medially
3.) olecranon process in olecranon fossa
4.) the ulna free of radial head and radial tuberosity superimposition

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

Answer 14

c.) 1, 2 and 3 only

Question 15

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 15

c.) 45 degrees internal rotation

Question 16

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 degreees cephalad

Answer 16

a.) 0 degrees

Question 17

In the true lateral position of the knee without any rotation the ________ should be directly superimposed

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

Answer 17

b.) femoral condyles

Question 18

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 18

b.) more superimpostion of fibular head

Question 19

Where should the central ray be directed on AP and medial oblique knee?

a.) 1’’ below apex of patella
b.) 2’’ below apex of patella
c.) 1/2’’ below apex of patella
d.) 1/2’’ above base of patella

Answer 19

c.) 1/2’’ below apex of patella

Question 20

Which projection best demonstrates the lateral condyles of the femur and tibia?

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

Answer 20

b.) AP medial oblique

Question 21

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

a.) 0 degrees
b.) 5 to 7 degrees caudad
c.) 25 to 30 degrees
d.) 5 to 7 degrees cephalad

Answer 21

d.) 5 to 7 degrees cephalad

Question 22

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

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 22

a.) 3 to 5 degrees caudad

Question 23

For the AP projection of the elbow, the humeral epicondyles should be:

a.) not clearly seen
b.) parallel to the IR
c.) superimposed over each other
d.) perpendicular to the IR

Answer 23

b.) parallel to the IR

Question 24

Which projection best demonstrates the fibula head and neck without superimposition?

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

Answer 24

b.) medial oblique

Question 25

WHich projection best demonstrates the proximal tibiofibular joint space free of superimposition?

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

Answer 25

c.) medial oblique

Question 26

Which of the following is demonstrated free of superimpositon on an AP oblique projection of the elbow in lateral rotation?

a.) trochela
b.) radial haed and neck
c.) olecranon process
d.) capitulum

Answer 26

b.) radial head and neck

Question 27

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

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

Answer 27

b.) medial oblique

Question 28

Which projection best demonstrates the femorpatellar joint space free of superimposition?

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

Answer 28

c.) lateral

Question 29

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

a.) 5 degrees
b.) 10 degrees
c.) 20 to 30 degrees

Answer 29

c.) 20 to 30 degrees

Question 30

Which projection best demonstrates the femorotibial joint space free of superimpostion?

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

Answer 30

a.) AP

Question 31

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

a.) 0 degrees
b.) 3 to 5 caudad
c.) 10 caudad
d.) 3 to5 cephalad

Answer 31

d.) 3 to 5 cephalad

Question 32

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

a.) 0
b.) 3-5
c.) 10
d.) 45

Answer 32

b.) 3-5