Question 1

To demonstrate the ankle mortise,the leg and foot should be rotated medially how many degrees?

Accepted Answer

A)   10
B)   25
C)   45
D)   15 to 20

Question 2

The central-ray angle for AP oblique projections of the knee is:

Accepted Answer

A)   0 degrees.
B)   5 degrees caudad.
C)   7 degrees cephalad.
D)   variable,depending on the ASIS-to-tabletop distance.

Question 3

The bone of the foot indicated by the arrow in this figure is the:

Accepted Answer

A)   navicular.
B)   talus.
C)   calcaneus.
D)   medial cuneiform.

Question 4

The bone identified by the arrow in this figure is the:

Accepted Answer

A)   tibia.
B)   cuboid.
C)   talus.
D)   navicular.

Question 5

The only ball-and-socket joint in the foot is the:

Accepted Answer

A)   ankle mortise.
B)   tarsometatarsal.
C)   calcaneocuboid.
D)   talocalcaneonavicular.

Question 6

The central ray is directed to which of the following for an AP or AP axial projection of the foot?

Accepted Answer

A)   Head of the second metatarsal
B)   Head of the third metatarsal
C)   Base of the third metatarsal
D)   Base of the fourth metatarsal

Question 7

Where is the central ray directed for an AP projection of knees,weight-bearing?

Accepted Answer

A)   inch below the apices of the patellae
B)   1 inch below the apices of the patellae
C)   1inches below the apices of the patellae
D)   2 inches below the apices of the patellae

Question 8

What anatomy is labeled with the letter B in the image below?

Accepted Answer

A)   Lateral femoral condyle
B)   Lateral tibial condyle
C)   Proximal tibiofibular joint
D)   Tibial tuberosity

Question 9

What is the central-ray angle for a PA projection of the patella?

Accepted Answer

A)   0 degrees
B)   5 degrees cephalad
C)   10 degrees cephalad
D)   5 to 15 degrees cephalad

Question 10

What is the position of the femoral condyles when the leg is properly positioned for an AP projection?

Accepted Answer

A)   Perpendicular to the IR
B)   Parallel to the IR
C)   At a 15- to 20-degree oblique position (laterally) 
D)   At a 15- to 20-degree oblique position (medially)

Question 11

Which projections of the ankle are performed on a patient following an inversion or eversion injury?

Accepted Answer

A)   AP and lateral
B)   AP and both obliques
C)   AP stress studies
D)   AP,lateral,and both obliques

Question 12

What is the central-ray angle for a lateral projection of the patella?

Accepted Answer

A)   0 degrees
B)   5 degrees cephalad
C)   7 degrees cephalad
D)   10 degrees cephalad

Question 13

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

Accepted Answer

A)   popliteal surface.
B)   intercondylar eminence.
C)   patellar surface.
D)   intercondylar fossa.

Question 14

Where is the central ray directed for the tangential projection (Settegast method) of the patella?

Accepted Answer

A)   Through the patellofemoral joint space
B)   To the anterior aspect of the patella
C)   At the level of the femoral condyles
D)   To the apex of the patella

Question 15

Where is the central ray directed for an AP projection of the knee?

Accepted Answer

A)   inch above the patellar base
B)   inch above the patellar apex
C)   inch below the patellar base
D)   inch below the patellar apex

Question 16

For an AP oblique projection of the foot in either medial or lateral rotation,the plantar surface of the foot should form an angle of:

Accepted Answer

A)   15 degrees.
B)   30 degrees.
C)   45 degrees.
D)   60 degrees.

Question 17

What type of joint is the ankle mortise?

Accepted Answer

A)   Synovial-gliding
B)   Synovial-hinge
C)   Synovial-ellipsoidal
D)   Synovial-ball and socket

Question 18

Which ankle projection will clearly demonstrate the ankle mortise in profile?

Accepted Answer

A)   AP
B)   AP oblique,15- to 20-degree internal rotation
C)   AP oblique,45-degree internal rotation
D)   AP oblique,45-degree external rotation

Question 19

Which of the following is the essential lateral projection of the calcaneus?

Accepted Answer

A)   Lateral (lateromedial) 
B)   Lateral (mediolateral) 
C)   Lateromedial oblique
D)   Lateromedial oblique,weight-bearing

Question 20

The central-ray angulation for the AP ankle projection is:

Accepted Answer

A)   0 degrees.
B)   5 degrees caudad.
C)   10 degrees caudad.
D)   15 to 20 degrees caudad.

Exam 7: Lower Extremity

What is the position of the femoral condyles when the leg is properly positioned for an AP projection?

Correct AnswerverifiedShow Answer

The bone identified by the arrow in this figure is the:

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The central ray is directed to which of the following for an AP or AP axial projection of the foot?

Correct AnswerverifiedShow Answer

What type of joint is the ankle mortise?

Correct AnswerverifiedShow Answer

What is the central-ray angle for a PA projection of the patella?

Correct AnswerverifiedShow Answer

To demonstrate the ankle mortise,the leg and foot should be rotated medially how many degrees?

Correct AnswerverifiedShow Answer

The only ball-and-socket joint in the foot is the:

Correct AnswerverifiedShow Answer

Which projections of the ankle are performed on a patient following an inversion or eversion injury?

Correct AnswerverifiedShow Answer

Which of the following is the essential lateral projection of the calcaneus?

Correct AnswerverifiedShow Answer

Where is the central ray directed for an AP projection of the knee?

Correct AnswerverifiedShow Answer

Where is the central ray directed for an AP projection of knees,weight-bearing?

Correct AnswerverifiedShow Answer

For an AP oblique projection of the foot in either medial or lateral rotation,the plantar surface of the foot should form an angle of:

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What anatomy is labeled with the letter B in the image below?

Correct AnswerverifiedShow Answer

The central-ray angle for AP oblique projections of the knee is:

Correct AnswerverifiedShow Answer

Which ankle projection will clearly demonstrate the ankle mortise in profile?

Correct AnswerverifiedShow Answer

Where is the central ray directed for the tangential projection (Settegast method) of the patella?

Correct AnswerverifiedShow Answer

What is the central-ray angle for a lateral projection of the patella?

Correct AnswerverifiedShow Answer

The central-ray angulation for the AP ankle projection is:

Correct AnswerverifiedShow Answer

The bone of the foot indicated by the arrow in this figure is the:

Correct AnswerverifiedShow Answer

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