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Rad Pro 2 > Test 2, Ch. 5 Forearm, Elbow, Humerus > Flashcards

Test 2, Ch. 5 Forearm, Elbow, Humerus Flashcards

1
Q

How many degrees should the elbow be angled for an AP lateral oblique projection?

A

45 degrees

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2
Q

What anatomy should be demonstrated free of superimposition on an AP oblique projection of the elbow, in lateral rotation?

A

radial head & neck

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3
Q

How many degrees would you angle the elbow for an AP oblique medial rotation?

A

45 degrees

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4
Q

What anatomy should be projected free of superimposition for an AP oblique projection of the elbow with medial rotation?

A

Coronoid process

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5
Q

what structure is shown in profile on a lateral projection of the elbow?

A

Olecranon

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6
Q

How many degrees is the elbow flexed for the lateral projection of the elbow?

A

90 degrees

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7
Q

What joint (s) should be in the same plan for a lateral projection of the elbow?

A

wrist joint, elbow joint, shoulder joint

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8
Q

Where is the central ray projected for an AP of the humerus?

A

midpoint of the humerus

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9
Q

What anatomic structure is shown in profile on an AP projection of the humerus?

A

greater tubercle

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10
Q

The capitulum of the humerus articulates with the:

A

radial head

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11
Q

What position of the hand places the epicondyles parallel to the plane of the IR

A

AP, supination

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12
Q

What position is recommended to increase patient comfort when performing an AP of the humerus?

A

upright / erect

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13
Q

How far above the humeral head should the upper margin of the IR be placed for an AP humerus?

A

1 1/2 inches

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14
Q

Soft tissue radiographs of the elbow in the lateral position are often ordered to demonstrate:

A

fat pads

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15
Q

What must be clearly demonstrated on a lateral projection of the humerus?
- Elbow Joint
- Glenn’s Cavity
- Shoulder Joint

A

elbow joint & shoulder joint

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16
Q

How far above the humeral head should the upper margin of the IR be placed for a lateral projection of the humerus?

A

1 1/2 inches

17
Q

What breathing technique should be used for a lateral projection of the humerus?

A

Suspended

18
Q

What anatomic structures are shown in profile on a lateral projection of the humerus?

A

Lesser tubercle

19
Q

How is the upper extremity positioned for a lateral projection of the humerus?

A

Medially rotated to place humeral epicondyles; perpendicular to the IR

20
Q

What bone (s) make up the forearm?

A

Ulna and Radius

21
Q

What breathing technique do you use on the AP of the humerus?

A

Suspension

22
Q

What is the bone of the upper arm?

A

Humerus

23
Q

For the lateral projection of the forearm, the elbow should be flexed:

A

90 degrees

24
Q

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

A

-MCP Joints

25
Q

For the AP projection of the elbow, the humeral epicondyles are positioned?

A

Parallel to the IR

26
Q

How is the central ray angled for an AP elbow?

A

0 Degrees

27
Q

For an AP of the forearm, the hand is in this position:

A

Supination (palm facing upward)

28
Q

Which joints should be clearly demonstrated on the AP projection of the forearm?

A

Wrist Joint, and Elbow Joint

29
Q

Name the bone (s) that help make up the elbow joint.

A

Humerus, Radius, and Ulna

30
Q

Which projection of the elbow will show the olecranon process sitting within the olecranon fossa?

A

AP medial oblique

31
Q

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?

A

Upright

32
Q

Which of the following positions of the humerus are commonly used when performing an AP projection of the shoulder?

  1. External rotation (AP) (Greater Tubercle)
  2. Neutral rotation (Trauma)
  3. Internal rotation (Lesser Tubercle)
A

ALL

33
Q

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?

A

45 to 60

34
Q

The head of the humerus articulates with _____ to form the shoulder joint.

The distal end forms part of the __

A
  • Scapula
  • Elbow Joint
35
Q

What projection of the elbow demonstrates the radial head and neck free of superimposition?

A

AP Elbow, External Rotation

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