Lower Extremity

Question 1

CR for the PA Axial Foot:

Answer 1

10 degrees posterior angulation Cephalic/proximally to the base of the third metatarsal

Question 2

KNOW FOOT ANATOMY

Question 3

When performing a medial oblique of the foot, the plantar surface forms a _____ angle to the plane of the IR

Answer 3

30 degree angle

Question 4

All of the following are best demonstrated on a medial oblique of the foot except:

Base of fifth metatarsal
Cuboid
Third Cuneiform
First cuneiform

Answer 4

First Cuneiform

Question 5

On a 30 degree oblique of the foot you best demonstrate on a lateral all of the following except:

1st cuneiform
2nd cuneiform
Navicular
Cuboid

Answer 5

Cuboid

Question 6

Which of the following will best demonstarte the longitudinal arch of the foot?

Answer 6

Lateral weight bearing method

Question 7

How should you routinely perform the longitudinal arch of the foot?

Answer 7

Lateromedial Projection

Question 8

Where the foot and the tib fib make a 90 degree angle:

Answer 8

Dorsiflexion

Question 9

Axial Calcaneous:

Answer 9

30 degree Cephalic angulation to the long axis of the foot at the base of the third metatarsal

Question 10

The patient is seated on the table their leg is fully extended and their foot is hyper flexed the CR enters with a 40 degree Cephalic Angulation to the long axis of the foot at the base of the third metatarsal:

Answer 10

Axial Calcanious

Question 11

AP Ankle:

Answer 11

The foot is dorsiflexed
The CR enters halfway between the medial and lateral malioulus

Question 12

How many degrees do you oblique the part for the mortise oblique of the ankle?

Answer 12

15-20 degree medial oblique to the midline

Question 13

What is the purpose of performing stress methods of the ankle? Who stressed the joint?

Answer 13

Inversion Eversion for ligament tear
Physician

Question 14

Which bone is the weight bearing bone?

Answer 14

Tibia

Question 15

Which bone is the non weight bearing bone of the lower leg?

Answer 15

Fibula

Question 16

Which bone projects down more distally the Tibia or Fibula?

Answer 16

Fibula

Question 17

Which bone projects down more distally the Tibia or Fibula?

Answer 17

Fibula

Question 18

The tibia is _____ in relationship to the fibula

Answer 18

Medial and Anterior

Question 19

The fibula is ______ in relationship to the Tibia.

Answer 19

Lateral and Posterior

Question 20

Clinically we have a long bone and want to include both joint spaces what do you do as a technologist?

Answer 20

Increase SID
Turn the Cassette Diagonally

Question 21

KNOW ANATOMY OF THE KNEE

Question 22

The Knee CR

Answer 22

1/2 inch below the apex of the patella

Question 23

Anytime an anatomical part measures 19 cm or less on a pelvis we angle:

Answer 23

3-5 degree caudad angulation

Question 24

Anytime an anatomical part measures 19 cm-24cm on a pelvis we angle:

Answer 24

Perpendicular

Question 25

Anytime an anatomical part measures greater than 24 cm we angle the tube for the pelvis:

Answer 25

3-5 degree Cephalic

Question 26

When we position a lateral knee you flex the anatomical part:

Answer 26

20-30 degrees

Question 27

When you place a 3-5 degrees Cephalic angulation on the lateral knee the purpose is to:

Answer 27

Superimpose the condyles and epicondyles

Question 28

BE ABLE TO LOOK FOR ROTATION ON A LATERAL KNEE:

Answer 28

Rotated clean up If the proximal tib fib relationship start to see the superimposition go away/move further apart: over rotated If the fibula stays well within the tibia: under rotation

Question 29

Which of the following will best demonstrate the: Menisci Joint spaces cartilage and it’s joint spaces Arthritis

Answer 29

Bilateral AP Weight Bearing Knees

Question 30

When you perform a 45 medial oblique of the knee what is best being demonstrated?

Answer 30

Proximal Tibiofibular Joint Spaces without superimposition

Question 31

The patient is kneeling on all fours they lean forward 20 degrees, 70 degree angle the CR enters:

Answer 31

Perpendicular to the Tib Fib

Question 32

If you demonstrate any tunnel view of the knee the CR must always be:

Answer 32

Perpendicular to the Tib Fib/lower leg

Question 33

The patient is kneeling on all fours, lean forward 20 degrees, to create a 70 degree angle this is called:

Answer 33

Homblad

Question 34

The largest sesamoid bone in the body:

Answer 34

Patella

Question 35

Prone flexed at 90 degrees:

Answer 35

Settagast

Question 36

When a patient presents with a perforation:

Answer 36

Water soluble

Question 37

A tangential projection of the patella is not to be performed until you rule out what type of fracture of the lateral?

Answer 37

Transverse Fractures

Question 38

A tangential projection of the patella shows what type of fractures?

Answer 38

Vertical Fractures