Bontrager Chapter 4 Test Questions And Answers Verified 1100% Correct

Bontrager Chapter 4 Test Questions And Answers Verified 1100% Correct 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? - ANSWER- ulnar 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? - ANSWER- Posteroanterior (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? - ANSWER- Detail 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 sulcus? - ANSWER- Gaynor-Hart method or Tangential inferosuperior projection Fracture and dislocation of the posterior lip of the distal radius? - ANSWER- Barton's Most common type of primary malignant tumor occurring in the bone? - ANSWER- Multiple Myloma Reduction in the quantity of bone or atrophy of skeletal tissue? - ANSWER- Osteoporosis Sprain or tear on the ulnar collateral ligament - ANSWER- Skier's thumb Transverse fracture extending through the distal aspect of the metacarpal neck, most often the fifth metacarpal - ANSWER- Boxer's fracture Hereditary condition marked by abnormally dense bone? - ANSWER- Osteopetrosis Transverse fracture of the distal radius with posterior displacement of the distal fragment - ANSWER- Colles' fracture Narrowing of joint space with periosteal growths on the joint margins? - ANSWER- Osteoarthritis Fluid-filled joint space with possible calcification? - ANSWER- Bursitis Possible calcification in the carpal sulcus? - ANSWER- Carpal tunnel syndrome Soft tissue swelling and loss of fat-pad detail visibility? - ANSWER- Osteomyelitis Which routine projections are required for a study of the forearm? - ANSWER- AP and lateral