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AP Mortise Projection Quiz

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Questions and Answers

What is the clinical indication for the AP Mortise Projection with 15° to 20° medial rotation of the ankle?

Evaluation of pathology involving the entire ankle mortise and the proximal fifth metatarsal (correct)
Evaluation of pathology involving the entire ankle mortise and the proximal fourth metatarsal
Evaluation of pathology involving the entire ankle mortise and the proximal second metatarsal
Evaluation of pathology involving the entire ankle mortise and the proximal third metatarsal

What is the recommended collimation for the AP Mortise Projection with 15° to 20° medial rotation of the ankle?

Collimate to medial skin margins, including proximal metatarsals and distal tibia-fibula
Collimate to medial skin margins, excluding proximal metatarsals and distal tibia-fibula
Collimate to lateral skin margins, including proximal metatarsals and distal tibia-fibula (correct)
Collimate to lateral skin margins, excluding proximal metatarsals and distal tibia-fibula

What is the minimum SID for the AP Mortise Projection with 15° to 20° medial rotation of the ankle?

40 inches (100 cm) (correct)
50 inches (125 cm)
60 inches (150 cm)
70 inches (175 cm)

What should be the position of the foot during the AP Mortise Projection with 15° to 20° medial rotation of the ankle?

Allow foot to remain in natural extended (plantar flexed) position (B) Signup and view all the answers

What is the evaluation criteria for the AP Mortise Projection with 15° to 20° medial rotation of the ankle?

Distal one-third of tibia and fibula, tibial plafond, lateral and medial malleoli, talus, and proximal half of the metatarsals should be demonstrated (B) Signup and view all the answers

What is the clinical indication for a PA and PA axial scaphoid with ulnar deviation projection?

Possible fractures of the scaphoid (D) Signup and view all the answers

What is the recommended CR angle for a PA and PA axial scaphoid with ulnar deviation projection?

10° to 15° proximally (C) Signup and view all the answers

What is the minimum SID for a PA and PA axial scaphoid with ulnar deviation projection?

40 inches (A) Signup and view all the answers

What is the part position for a PA and PA axial scaphoid with ulnar deviation projection?

Palm down and hand and wrist aligned with center of long axis of IR (D) Signup and view all the answers

What is the recommended collimation for a PA and PA axial scaphoid with ulnar deviation projection?

Collimate on four sides to carpal region (C) Signup and view all the answers

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