Ch. 4 part B

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1

In the anatomic potion, which of the bones of the forearm is located on the lateral (thumb) side?

Which is on the medial side?

Radius, Ulna

2

Indicate whether the following structures are part of the radius, ulna, or distal humerus.

Trochlear Notch

Ulna

3

Indicate whether the following structures are part of the radius, ulna, or distal humerus.

Radial Notch

Ulna

4

Indicate whether the following structures are part of the radius, ulna, or distal humerus.

Olecranon Fosa

Humerus

5

Indicate whether the following structures are part of the radius, ulna, or distal humerus.

Trochlea

Humerus

6

Indicate whether the following structures are part of the radius, ulna, or distal humerus.

Coronoid Tubercle

Ulna

7

Indicate whether the following structures are part of the radius, ulna, or distal humerus.

Coronoid Process

Ulna

8

Indicate whether the following structures are part of the radius, ulna, or distal humerus.

Olecranon Process

Ulna

9

Indicate whether the following structures are part of the radius, ulna, or distal humerus.

Coronoid Fossa

Humerus

10

Which joint permits the forearm to rotate during pronation?

Proximal radius joint

11

The articular portion of the medial aspect of the distal humerus is called the?

The similar structure found on the lateral aspect of the distal humerus is called the?

Trochlea

Capitulam

12

The deep depression located on the posterior aspect of the distal humerus is the

Olecranon Fossa

13

What is the correct joint movement type?

Interphalangeal

Ginglymus

14

What is the correct joint movement type?

Carpometacarpal of the first joint

Sellar

15

What is the correct joint movement type?

Elbow joint

Ginglymus

16

What is the correct joint movement type?

Metacarpophalangeal of second to fifth digits

Ellipsoidal

17

What is the correct joint movement type?

Radiocarpal

Ellipsoidal

18

What is the correct joint movement type?

Intercarpal

Plane

19

What is the correct joint movement type?

Elbow Joint

Ginglymus

20

What is the correct joint movement type?

proximal radioulnar joint

Trochoidal

21

T/F In addition to the ulnar and radial collateral ligaments, the following five additional ligament are also important in stability of the wrist joint

1 dorsal radiocarpal 4 Scapulolunate

2 Palmar radiocarpal 5 Lunotriquetral

3 Triangular fibrocartilage complex (TFCC)

True

22

Which ligament of the wrist extends from the styloid process of the radius to the lateral aspect of the scaphoid and trapezium bones?

Radial collateral ligament

23

What is the name of the two special turning or bending positions of the hand and wrist that demonstrate medial and lateral aspects of the carpal region?

Ulnar Deviation and Radial Deviation

24

Of the two positions (ulnar and radial deviation), which one is most commonly performed to detect a fracture of the scaphoid bone?

Ulnar Deviation

25

How does the forearm appear radiographically if pronated for a posteroanterior projection?

The proximal radius crosses over the ulnar

26

The 2 important fat stripes or bands around the wrist joint are the:

Scaphoid fat stripe and Pronator fat stripe

27

The fat pads around the elbow joint are valuable diagnostic indicators if the following three technical/positioning requirements are met with the lateral position.

Elbow Flexed 90o

Optimal exposure factors employed

In a true lateral position

28

T/F

If the posterior fat pad of the elbow id not visible radiographically, it suggests that a non obvious radial head or neck fracture is present

False, suggest negative exam

29

T/F

Excessive kV may obscure the visibility of a fat pad.

True

30

T/F

Trauma or infection makes the anterior fat pad more difficult to see on a lateral elbow radiograph.

False

31

Which routine projections best demonstrate the scaphoid fat pad?

PA and oblique wrist

32

Which routine projection best demonstrates the pronator fat stripe?

Lateral wrist