click below
click below
Normal Size Small Size show me how
XR 103 final exam
Question | Answer |
---|---|
1. what is the name of the bones that comprise the digits of the hand? | phalanges |
2. how many bones are normally found in each of the digits 2-5? | 3 |
3. the bones that are located in the palm of the hand are called? | metacarpals |
4. which carpal bone is located in the proximal row on the lateral side? | scaphoid or navicular same bone, 2 different names!! |
5. which carpal bone is located in the distal row, on the medial side? | hamate |
6. which carpal bone has a characteristic hooklike process on it's anterior surface? | hamate |
7. which carpal bone articulates with the first metacarpal? | trapezium |
8. the bones of the forearm are called | radius ulna |
9. which bone of the forearm is located on the medial side? | ulna |
10. where is the radial tuberosity located? | at the proximal end, distal to the head of the radius |
11. where is the humerus located? | in the upper portion of the arm |
12. where is the olecranon (o-leck-cra-non) process located? | at the proximal end of the ulna |
13. what structure is located at the distal end of the radius? | styloid process |
14. which portion of the humerus articulates with the radial head? | the capitulum (ka-pit-chew-lum) |
15. name the structures located at the proximal end of the humerus | head greater tubercle lesser tubercle surgical neck |
16. what is the name of the large rounded projection that can be felt on the superior, lateral surface of the shoulder? | acromion (a-crow-me-on) |
17. which surface of the hand should be in contact with the film for the PA projection? | anterior (palmar) |
18. where do we position the CR for a PA projection of the hand? | the 3rd MCP joint |
19. which projection of the hand demonstrates the IP (interphalangeal) joints? | PA oblique |
20. which surface of the hand is in contact with the film for the lateral projection of the hand? | medial |
21. when xraying the fingers, what anatomy should be included? | the distal portion of the metacarpal and all of the phalange |
22. to demonstrate the IP joint spaces, how must the finger be positioned for the PA and lateral projections? | parallel to the film |
23. which surface of the hand should be in contact with the film for the lateral projection of the fifth digit? | medial surface |
24. where is the CR for the PA projection of the second digit | PIP joint proximal interphalangeal joint |
25. where is the CR for the AP projection of the thumb? | MCP joint metacarpohalangeal joint |
26. what is the position of the thumb on a PA projection of the hand? | oblique |
27. which projection of the thumb results in a more magnified image because of the increase in OID? | PA |
28. which positioning strategy places the wrist in closer contact with the IR for the PA projection of the wrist? | closing the fingers into a loose fist |
29. which surface of the wrist is in contact with the film for the PA projection of the wrist? | anterior |
30. what is the position of the wrist for the PA oblique projection with lateral rotation? | coronal plane of the wrist at a 45 degree angle to the film with anteromedial surface on the film |
31. which carpal bones are best demonstrated on the AP oblique projection of the wrist in medial rotation? | lunate and pisiform (pissy-form) |
32. which special projections can be used to demonstrate the scaphoid (navicular) bone? | PA projection- ulnar deviation PA axial- Stetcher method |
33. in radiography of the forearm, it is important to do what to the arm? | fully extend the arm with the axilla at table level make sure the hand is supinated with the palm up |
34. what is the proper position for the AP projection of the forearm? | elbow extended, wrist and elbow parallel to the film, and hand supinated |
35. what structures must be included in an AP projection of the forearm? | radius and ulna wrist joint elbow joint |
36. what surface of the forearm is in contact with the film when radiographing the forearm in a lateral position | the medial surface |
37. describe the position of the forearm when taking a lateral projection of the forearm | elbow flexed at 90 degrees, wrist lateral, medial surface of forearm in contact with the film |
38. which surface of the elbow is in contact with the film when taking an AP projection of the elbow? | posterior |
39. what projection may be substituted for a routine AP projection of the elbow joint when the patient is unable to extend the elbow? | AP projection of the proximal forearm OR AP projection of the distal humerus OR BOTH IF NECESSARY!! |
40. which projection and position of the elbow demonstrates the radial head and capitulum (ka-pit-chew-lum) without superimposition? | AP oblique projection with 45 degree lateral rotation |
41. what elbow anatomy is best demonstrated on the AP oblique projection in 45 degree medial rotation | coronoid process of the ulna and the trochlea (trow-klee-uh) |
42. which projection and position demonstrates the coronoid process of the ulna without superimposition? | AP oblique projection, 45 degree medial rotation |
43. what specific anatomy is demonstrated without superimposition in the AP oblique projection in 45 degree lateral rotation of the elbow | radial head and capitulum (ka-pit-chew-lum) |
44. what is the proper method to position the humerus for the AP projection? | upper limb abducted, elbow extended, humeral epicondyles PARALLEL to the film |
45. where is the CR entrance point for the AP projections of the shoulder? | 1 inch medial and inferior to the coracoid process |
46. which projection of the shoulder demonstrates the greater tubercle of the humerus in profile? | AP projection, external rotation |
47. what is the relationship of the humeral epicondyles with the film for the AP projection of the shoulder in the external rotation? | parallel |
48. what anatomy is best demonstrated in the AP projection of the shoulder in the internal rotation | lesser tubercle of the humerus in profile |
49. what are the proper patient instructions for the AP projection of the shoulder? | hold your breath, don't move |
50. which projection of the shoulder demonstrates the glenohumeral joint with an open joint space and the glenoid process in profile | AP oblique projection, Grashey method |
51. where does the CR enter the patient for the AP oblique projection (Grashey method)of the shoulder? | perpendicular to a point 2 inches medial and 2 inches inferior to the superolateral border of the shoulder |
52. what exams might be used to examine an acute injury to the shoulder? | PA oblique projection (scapular Y) transthoracic lateral (lawrence method) |
53. what are the proper patient instructions for the transthoracic projection of the shoulder? | breath slowly and deeply |
54. what is the proper CR angle and direction on the AP axial projection of the clavicle | 15-30 degrees cephalic |
55. what is the proper CR angle and direction on the PA axial projection of the clavicle? | 15-30 degrees caudal |
56. which clavicle projections and patient position are more comfortable for the patient with an injury to the clavicle? | AP and AP axial projections |
57. what is the advantage of imaging the clavicle using PA projections? | decreases OID |
58. what is the proper patient position for the lateral projection of the scapula in the upright position? | anterior oblique body position, with the affected side closer to the film |
59. to demonstrate the blade (body) of the scapula, how should the patient's arm be positioned? | across the chest |
60. what is the required patient position for an AP projection of the AC joints? | upright |
61. what is the purpose of radiographic examination of the AC joints? | to visualize the position of the bones as an indicator of ligament integrity |
62. what is required for a radiographic exam of the AC joints? | the patient must be in the upright position both sides must be imaged for comparison images must be made with and without weights |
63. what term is applied to a common fracture of the 5th metacarpal? | boxer's fracture |
64. which carpal bone, if fractured, can have serious complications and why | the scaphoid, because it lies close to the radial artery, and may sever the artery if the break is sharp, necrosis may occur due to lack of blood supply to the area. |
65. where does a "Colles fracture" occur? | in the distal radius |
66. a fracture of the ulna with dislocation of the radial head is called | Monteggia (Mon-tay-gia) fracture |
67. which portion of the humerus is most susceptible to fracture? | the surgical neck |
68. what is the name of the most common type of arthritis? | osetoarthritis |
69. what term is used to denote inflammation of the bone, especially in the marrow, caused by a pathogenic organism? | osteomyelitis |
70. when radiographing a long bone, any long bone, what must be included? | the joint above, and the joint below |