Test 2, Ch. 5 Forearm, Elbow, Humerus Flashcards
How many degrees should the elbow be angled for an AP lateral oblique projection?
45 degrees
What anatomy should be demonstrated free of superimposition on an AP oblique projection of the elbow, in lateral rotation?
radial head & neck
How many degrees would you angle the elbow for an AP oblique medial rotation?
45 degrees
What anatomy should be projected free of superimposition for an AP oblique projection of the elbow with medial rotation?
Coronoid process
what structure is shown in profile on a lateral projection of the elbow?
Olecranon
How many degrees is the elbow flexed for the lateral projection of the elbow?
90 degrees
What joint (s) should be in the same plan for a lateral projection of the elbow?
wrist joint, elbow joint, shoulder joint
Where is the central ray projected for an AP of the humerus?
midpoint of the humerus
What anatomic structure is shown in profile on an AP projection of the humerus?
greater tubercle
The capitulum of the humerus articulates with the:
radial head
What position of the hand places the epicondyles parallel to the plane of the IR
AP, supination
What position is recommended to increase patient comfort when performing an AP of the humerus?
upright / erect
How far above the humeral head should the upper margin of the IR be placed for an AP humerus?
1 1/2 inches
Soft tissue radiographs of the elbow in the lateral position are often ordered to demonstrate:
fat pads
What must be clearly demonstrated on a lateral projection of the humerus?
- Elbow Joint
- Glenn’s Cavity
- Shoulder Joint
elbow joint & shoulder joint
How far above the humeral head should the upper margin of the IR be placed for a lateral projection of the humerus?
1 1/2 inches
What breathing technique should be used for a lateral projection of the humerus?
Suspended
What anatomic structures are shown in profile on a lateral projection of the humerus?
Lesser tubercle
How is the upper extremity positioned for a lateral projection of the humerus?
Medially rotated to place humeral epicondyles; perpendicular to the IR
What bone (s) make up the forearm?
Ulna and Radius
What breathing technique do you use on the AP of the humerus?
Suspension
What is the bone of the upper arm?
Humerus
For the lateral projection of the forearm, the elbow should be flexed:
90 degrees
The lateral projection of the forearm should clearly demonstrate all of the following except;
- Radius and Ulna
- Elbow Joint
- Proximal row of carpal bones
- MCP Joints
-MCP Joints
For the AP projection of the elbow, the humeral epicondyles are positioned?
Parallel to the IR
How is the central ray angled for an AP elbow?
0 Degrees
For an AP of the forearm, the hand is in this position:
Supination (palm facing upward)
Which joints should be clearly demonstrated on the AP projection of the forearm?
Wrist Joint, and Elbow Joint
Name the bone (s) that help make up the elbow joint.
Humerus, Radius, and Ulna
Which projection of the elbow will show the olecranon process sitting within the olecranon fossa?
AP medial oblique
Patients often arrive in the radiology department with trauma to the shoulder. Which of the following positions is recommended for x-ray examination of the shoulder on these patients?
Upright
Which of the following positions of the humerus are commonly used when performing an AP projection of the shoulder?
- External rotation (AP) (Greater Tubercle)
- Neutral rotation (Trauma)
- Internal rotation (Lesser Tubercle)
ALL
For the PA oblique projection (scapular Y) of the shoulder, the body is rotated so that the midcoronal plane is how many degrees from the IR?
45 to 60
The head of the humerus articulates with _____ to form the shoulder joint.
The distal end forms part of the __
- Scapula
- Elbow Joint
What projection of the elbow demonstrates the radial head and neck free of superimposition?
AP Elbow, External Rotation
