Bontrager Chapter 4 2023 Updated Exam

Bontrager Chapter 4 2023 Updated Exam How many bones in the hand and wrist - ANSWER- 27 Two portions of the tunmb - ANSWER- Proximal and Distal Three portions of 2nd, 3rd and 4th digit - ANSWER- Proximal, Middle, Distal 3 parts of each Phalanx - ANSWER- Head, Body (shaft), Base 3 parts of each Metacarpal - ANSWER- Base, Body (shaft), Head Name of Joint between the proximal and distal Phalanges of the first Digit - ANSWERDistal Interphalangeal (DIP) Which is the largest of the carpal bones? - ANSWER- Capitate What is the name of the hooklike process extending anteriorly from the hamate? - ANSWER- Hamulus (Hamular process) Which is the most commonly fractured carpal bone? - ANSWER- Scaphoid In the anatomic position, which of the bones of the forearm is located on the lateral (thumb) side? - ANSWER- Radius Which of the bones of the forearm is located on the medial side? - ANSWER- Ulna Trochlear notch - ANSWER- part of Ulna Radial notch - ANSWER- Part of Ulna Olecranon fossa - ANSWER- Part of distal Humerus Trochlea - ANSWER- Part of distal Humerus Coronoid tubercle - ANSWER- Part of Ulna Coronoid process - ANSWER- Part of Ulna Olecranon process - ANSWER- Part of Ulna Coronoid fossa - ANSWER- Part of distal Humerus Articular portion of the medial aspect of the distal humerus is called? - ANSWERTrochlea The similar structure found on the lateral aspect of the distal humerus is called? - ANSWER- Capitulum The deep depression located on the posterior aspect of the distal humerus is the? - ANSWER- Olecranon fossa Criteria for evaluating a "True Lateral" position of the elbow are the appearance of the three concentric arcs, they include the following: - ANSWER- First and smallest arc = Trochlea sulcus Intermediate double arc: smaller arc = capitulum larger arc = trochlea Third arc (part of the Ulna) = Trochlea notch Ellipsoidal joints are classified as freely movable or __________ and allow movement in ___ directions. - ANSWER- Diarthrodial , 4 Which ligament of the wrist extends from the styloid process of the radius to the lateral aspect of the scaphoid and trapezium bones? - ANSWER- radial collateral ligament What two "Special" positions of the hand and wrist demonstrate medial and lateral aspects of the carpal region? - ANSWER- Medial: ulnar deviation Lateral: radial deviation What special position is used to detect a fracture of the scaphoid bone? - ANSWERulnar deviation Two fat stripes around the wrist joints are called? - ANSWER- scaphoid fat stripe and pronater fat stripe Excessive kV (analog imaging) may obscure the visibility of a fat pad: True / False? - ANSWER- TRUE Which routine projection best demonstrate the scaphoid fat pad? - ANSWERPosteroanterior (PA) and oblique wrist Which routine projection best demonstrates the pronator fat stripe? - ANSWER- Lateral Wrist Grids are used if the body part measures greater than: - ANSWER- 10cm (aprox 4 inches) Type of intensification screens most commonly used for analog imaging? - ANSWERDetail screens Correctly exposed radiographs of upper limb: visualize____ margins and _______________ markings of all bones. - ANSWER- Soft Tissue and trabecular Procedure that uses contrast media injected into the joint capsule to visualize soft tissue pathology of the wrist, elbow, and shoulder joints is called? - ANSWER- Arthrography How much of the metacarpals should be included for PA projection of the digits? - ANSWER- Distal aspect of the metacarpal Where is the central ray centered for a PA oblique projection of the second digit? - ANSWER- Proximal interphalangeal (PIP joint) The entire metacarpal and trapezium must be demonstrated on all projections of the thumb True / False - ANSWER- TRUE Bennett's fracture involves? - ANSWER- Base of first metacarpal Which special positioning method can be performed to demonstrate a Bennett's fracture? and what degree of CR angulation is required for this projection? - ANSWER- AP axial projection (Modified Roberts method) 15% Where is the central ray centered for a PA projection of the hand? - ANSWER- Third MCP (metacarpalphalangeal) joint A minimum of ___ inch or ___cm of the forearm should be included for a PA projection of the hand. - ANSWER- 1 inch or 2.5 cm Which preferred lateral position of the had best demonstrates the phalanges w/o excessive superimposition? - ANSWER- The "Fan" lateral position Which lateral projection of the hand best demonstrates a possible foreign body in the palm of the hand? - ANSWER- Lateral in either "Flexion" or "Extension What is the proper name for the position referred to as the "Ball-catchers" position? - ANSWER- AP Oblique Bilateral Ball-catchers position is used to evaluate for early signs of? - ANSWER- Rheumatoid arthritis How much rotation is required for oblique projection of the wrist? - ANSWER- 45% (rotate hand and wrist laterally) Which fracture is not demonstrated in a wrist routine? - ANSWER- Barton's How much are the hand and wrist elevated from the IR for the modified Stecher method? - ANSWER- 20% How much central ray angulation to the long axis of the hand is required for the carpal canal (tunnel) projection? - ANSWER- 25-30 degrees Which special projection of the wrist best demonstrates the interspaces on the ulnar side of the wrist between the lunate, triquetrum, pisiform, and hamate bones? - ANSWER- PA projection Radial deviation Which special projection of the wrist helps rule out abnormal calcifications in the carpal