Ankle Imaging

Question 1

Which bone articulates with the tibia and fibula to form the ankle mortise? A. Calcaneus B.
Talus C. Navicular D. Cuboid

Answer 1

B. Talus — The talus sits within the ankle mortise between tibia and fibula.
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Question 2

Which radiographic view best visualizes the ankle mortise without overlap? A. AP view B.
Mortise view C. Lateral view D. Oblique view

Answer 2

B. Mortise view — Provides optimal visualization of mortise joint space. fileciteturn6file0

Question 3

Which structure forms the medial ankle prominence? A. Lateral malleolus B. Medial malleolus C.
Talus D. Calcaneus

Answer 3

B. Medial malleolus — Distal tibia projection. fileciteturn6file0

Question 4

Which structure forms the lateral ankle prominence? A. Medial malleolus B. Talus C. Fibula D.
Navicular

Answer 4

C. Fibula — Distal fibula forms lateral malleolus. fileciteturn6file0

Question 5

Which MRI plane shows tibia, talus, and calcaneus in profile? A. Axial B. Sagittal C. Coronal
D. Oblique

Answer 5

B. Sagittal — Shows longitudinal view of ankle bones. fileciteturn6file0

Question 6

Which structure is posterior to the ankle joint on MRI? A. Achilles tendon B. Tibialis anterior
C. Peroneals D. Deltoid ligament

Answer 6

A. Achilles tendon — Located posteriorly. fileciteturn6file0

Question 7

Which imaging modality best visualizes soft tissues like tendons? A. X-ray B. MRI C. CT D.
Ultrasound only

Answer 7

B. MRI — Provides superior soft tissue contrast. fileciteturn6file0

Question 8

Which structure articulates with calcaneus? A. Tibia B. Talus C. Fibula D. Navicular

Answer 8

B. Talus — Talus sits atop calcaneus. fileciteturn6file0

Question 9

Which radiograph view shows anterior and posterior alignment best? A. AP B. Lateral C. Mortise
D. Oblique

Answer 9

B. Lateral — Shows anterior-posterior relationship. fileciteturn6file0

Question 10

Which bone is distal to the talus? A. Tibia B. Calcaneus C. Femur D. Fibula

Answer 10

B. Calcaneus — Located inferior to talus. fileciteturn6file0

Question 11

Which guideline determines need for ankle imaging after trauma? A. Ottawa ankle rules B.
Lachman test C. McMurray test D. Trendelenburg test

Answer 11

A. Ottawa ankle rules — Clinical prediction rule for imaging. fileciteturn6file0

Question 12

Which finding indicates need for ankle radiograph per Ottawa rules? A. Able to walk normally B.
No tenderness C. Inability to bear weight D. Full ROM

Answer 12

C. Inability to bear weight — Indicates imaging need. fileciteturn6file0

Question 13

Which structure connects tibia and calcaneus? A. Talus B. Navicular C. Cuboid D. Fibula

Answer 13

A. Talus — Forms articulation between tibia and calcaneus. fileciteturn6file0

Question 14

Which imaging identifies stress fracture best early? A. X-ray B. MRI C. Ultrasound D. None

Answer 14

B. MRI — Detects early bone stress injuries. fileciteturn6file0

Question 15

Which pathology involves bone fracture line? A. Fracture B. Tendinitis C. Sprain D. Strain

Answer 15

A. Fracture — Radiographs show fracture line. fileciteturn6file0

Question 16

Which MRI view best shows ligaments from front to back? A. Axial B. Sagittal C. Coronal D.
Oblique

Answer 16

A. Axial — Shows anterior-posterior relationships. fileciteturn6file0

Question 17

Which structure lies anterior on MRI? A. Tibialis anterior B. Achilles tendon C. Soleus D.
Gastrocnemius

Answer 17

A. Tibialis anterior — Located anteriorly. fileciteturn6file0

Question 18

Which imaging modality exposes patient to radiation? A. MRI B. X-ray C. Ultrasound D. None

Answer 18

B. X-ray — Uses ionizing radiation. fileciteturn6file0

Question 19

Which pathology involves Achilles tendon degeneration? A. Achilles tendinosis B. Fracture C.
Arthritis D. Sprain

Answer 19

A. Achilles tendinosis — Degenerative tendon condition. fileciteturn6file0

Question 20

Which structure forms heel bone? A. Calcaneus B. Talus C. Navicular D. Fibula

Answer 20

A. Calcaneus — Largest foot bone. fileciteturn6file0

Question 21

Which imaging best shows bone alignment? A. X-ray B. MRI C. Ultrasound D. None

Answer 21

A. X-ray — Shows bone structure. fileciteturn6file0

Question 22

Which ligament is seen in coronal MRI? A. Anterior talofibular ligament B. ACL C. PCL D. MCL

Answer 22

A. Anterior talofibular ligament — Visible on coronal MRI. fileciteturn6file0

Question 23

Which imaging identifies tendon tears best? A. X-ray B. MRI C. CT D. None

Answer 23

B. MRI — Best for tendon injury. fileciteturn6file0

Question 24

Which pathology involves abnormal bone connection? A. Tarsal coalition B. Fracture C. Sprain D.
Tendinitis

Answer 24

A. Tarsal coalition — Abnormal fusion of tarsal bones. fileciteturn6file0

Question 25

Which pathology involves great toe deviation? A. Hallux valgus B. Fracture C. Sprain D. Tendinitis

Answer 25

A. Hallux valgus — Toe deformity. fileciteturn6file0

Question 26

Which imaging view shows talar dome best? A. Axial MRI B. AP radiograph C. Lateral radiograph D. Oblique radiograph

Answer 26

A. Axial MRI — Shows talar dome clearly. fileciteturn6file0

Question 27

Which structure lies superior to talus? A. Tibia B. Calcaneus C. Navicular D. Cuboid

Answer 27

A. Tibia — Forms ankle joint superiorly. fileciteturn6file0

Question 28

Which bone is lateral to tibia? A. Fibula B. Talus C. Calcaneus D. Navicular

Answer 28

A. Fibula — Located lateral to tibia. fileciteturn6file0

Question 29

Which imaging best identifies Lisfranc injury? A. MRI B. Radiograph C. CT D. Ultrasound

Answer 29

B. Radiograph — Used initially for Lisfranc injury. fileciteturn6file0

Question 30

Which structure connects talus and navicular? A. Talonavicular joint B. Tibiofibular joint C. Knee joint D. Hip joint

Answer 30

A. Talonavicular joint — Articulates talus and navicular. fileciteturn6file0

Question 31

Which imaging modality is best initial test for fracture? A. X-ray B. MRI C. CT D. Ultrasound

Answer 31

A. X-ray — First-line imaging. fileciteturn6file0

Question 32

Which structure lies medial to talus? A. Medial malleolus B. Fibula C. Calcaneus D. Cuboid

Answer 32

A. Medial malleolus — Located medial to talus. fileciteturn6file0

Question 33

Which MRI plane shows medial-lateral anatomy best? A. Coronal B. Sagittal C. Axial D. Oblique

Answer 33

A. Coronal — Shows medial-lateral relationships. fileciteturn6file0

Question 34

Which clinical prediction rule reduces unnecessary imaging? A. Ottawa ankle rules B. Lachman test C. McMurray test D. Valgus test

Answer 34

A. Ottawa ankle rules — Reduce unnecessary radiographs. fileciteturn6file0

Question 35

Which imaging shows joint space best? A. Mortise view B. Lateral view C. AP view D. Oblique view

Answer 35

A. Mortise view — Best view of ankle mortise. fileciteturn6file0