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31 Cards in this Set
- Front
- Back
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Carpal bone classifications |
Consist of Short bones |
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Classifications of radius |
Long bones |
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Classification of Ulna |
Long bone |
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Which carpal articulates with the 3rd metacarpal? |
Capitate |
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Which carpal articulates with the first metacarpal? |
Trapezium and forms a synovial saddle joint |
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Which bones form the medial margin of the carpal groove? |
Hamate and pisiform |
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Colles fracture |
Fracture of the distal radius and ulnar styloid with posterior displacement |
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Smith fracture |
Fracture of the distal radius and ulnar styloid with anterior displacement |
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Buckle or torus fracture |
Impacted fracture with bulging of the periosteum |
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Which position best reduces foreshortening of the scaphoid? |
Pa projection with ulnar deviation |
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Primary projection to show anterior or posterior displacement in fractures? |
Lateral projection |
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Which projection would best demonstrate carpal interspaces? |
AP |
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What structures pass through carpal tunnel? |
Median nerve and the flexor tendons |
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What is the largest carpal bone? |
Capitate |
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How many bones are found in the carpals of the wrist? |
8 |
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How many bones are found in the forearm? |
2 bones |
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What anatomy should be in contact with the tabletop for a PA projection of the wrist? |
Arm, axillary, and forearm |
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Tangential projection central angle degree |
25 to 30 degrees to the long axis of the hand |
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Where are the intercarpal joints located and what joint classification are they? |
Between carpal bones and are synovial gliding |
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Where are the radiocarpal joints located, what forms them and what joint classification are they? |
between carpal bones and radius and ulna formed by the articulation of the scaphoid, lunate, and triquetrum, with the radius articular disk just distal to the ulna synovial ellipsoidal type joint |
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Which carpal bones articulate with the metacarpals of the hand? |
Distal carpal bones: trapezium, trapezoid, capitate, and hamate |
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What are the possible projections for wrist? |
PA and AP ( PA preferred) PA Oblique AP Oblique Lateral PA ulnar deviation PA axial (stecher method) Tangential (Gaynor- Hart method)
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Which projection is used to demonstrate the carpal canal? |
Tangential Inferosuperior and Tangential Superoinferior
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Scaphoid is Aka |
Navicular |
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Lunate is aka |
Semilunate |
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Triquetrum aka |
Cuneiform, trinangular, and triquetral |
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Trapezium aka |
Greater multiangular |
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Trapezoid aka |
Lesser multiangular |
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Capitate aka |
Os magnum |
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Hamate aka |
Unciform |
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Radiocarpal joint aka |
Wrist joint proper |
