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Sectional Anatomy > Wrist/Forearm RAD 1 Info > Flashcards

Wrist/Forearm RAD 1 Info Flashcards

1
Q

How many carpal bones are in the wrist?

A

8

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2
Q

What are the carpal bones in the distal row of the wrist?

A

(Lateral to medial)

  • Trapezium
  • Trapezoid
  • Capitate
  • Hamate
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3
Q

What are the carpal bones in the proximal row of the wrist?

A

(Lateral to medial)

  • Scaphoid
  • Lunate
  • Triquetrum
  • Pisiform
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4
Q

What term can be synonymous with the scaphoid?

A

Navicular

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5
Q

What term can be synonymous with the lunate?

A

Semilunar

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6
Q

What term can be synonymous with the Triquetrum?

A

Triangular or cuneiform

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7
Q

What term can be synonymous with the Pisiform?

A

There is none

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8
Q

What term can be synonymous with the trapezium?

A

Greater multangular

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9
Q

What term can be synonymous with the trapezoid?

A

Lesser multangular

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10
Q

What term can be synonymous with the capitate?

A

Os magnum

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11
Q

What term can be synonymous with the hamate?

A

Unciform

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12
Q

What mnemonic can be used to help remember the carpal bones?

A
  • Steve (Scaphoid)
  • Left (Lunate)
  • The (Triquetrum)
  • Party (Pisiform)
  • To (Trapezium)
  • Take (Trapezoid)
  • Carol (Capitate)
  • Home (Hamate)
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13
Q

What is the largest carpal in the proximal row?

A

Scaphoid

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14
Q

What is the most commonly fractured carpal bone?

A

Scaphoid

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15
Q

What does the scaphoid contain on its anterior and lateral aspect?

A

Tubercle

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16
Q

Which carpal can be palpable near the base of the thumb?

A

Scaphoid

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17
Q

What does the lunate articulate with?

A

The radius proximally

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18
Q

What shape is the lunate?

A

Crescent

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19
Q

What does the triquetrum articulate with?

A

Anteriorly with hamate

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20
Q

What carpal bone is roughly pyramidal?

A

Triquetrum

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21
Q

Which carpal bone is easily palpable?

A

Pisiform

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22
Q

What is the pisiform anterior to?

A

Triquetrum

23
Q

Which carpal bone is pea-shaped?

A

Pisiform

24
Q

Which carpal bone is wedge-shaped?

A

Hamate

25
Q

Where is the hook of hamate located?

A

On the anterior surface

26
Q

What does the capitate articulate with?

A

The base of the 3rd metacarpal

27
Q

What is the largest and most centeraly located carpal?

A

Capitate

28
Q

The trapezoid has a smaller surface ______ than ______

A
  • Anteriorly
  • Posteriorly
29
Q

What does the trapezium have on the anterior surface?

A

Tubercle & groove

30
Q

What is an anatomic sunffbox?

A

A triangular depression located on the posterior surface of the wrist

31
Q

When is the anatomic snuffbox visible?

A

When the thumb is abducted and extended

32
Q

What is the anatomic snuffbox formed by?

A

The tendons of two major muscles of the thumb

33
Q

What does the anatomic snuffbox overlie?

A

The scaphoid bone and radial artery

34
Q

What does tenderness in the snuffbox area indicate?

A

A scaphoid fracture

35
Q

What is the carpal sulcus formed by?

A

By the anterior (palmar) surface of the wrist side-to-side

36
Q

What does the flexor retinaculum attach to medially?

A

The pisiform and hook of hamate

37
Q

What does the flexor retinaculum attach to laterally?

A

The tubercles of the scaphoid and trapezium

38
Q

What is the carpal tunnel?

A

The passageway created between the carpal sulcus and the flexor retinatulum

39
Q

What nerve passes through the carpal canal?

A

Median nerve

40
Q

What does carpal tunnel syndrome result from?

A

Compression of the median nerve inside the carpal tunnel

41
Q

What wrist movement demonstrates the scaphoid?

A

Ulnar deviation

42
Q

What wrist movement demonstrates the lunate, triquetrum, and hamate?

A

Radial deviation

43
Q

How many bones does the forearm have?

A

2 (radius & ulna)

44
Q

Where is the radius located on the forearm?

A

Lateral

45
Q

Where is the ulna located on the forearm?

A

Medial

46
Q

What does the proximal ulna contain? What are the names?

A
  • Two beaklike processes and concave depressions
  • Olecranon process & Coronoid process
47
Q

What does the olecranon process form?

A

The proximal portion of the trochlear notch

48
Q

Is the olecranon process proximal or distal?

A

Proximal

49
Q

Is the coronoid process proximal or distal?

A

Distal

50
Q

Which process is triangular in shape?

A

The coronoid process

51
Q

What does the coronoid process form?

A

The distal portion of the trochlear notch

52
Q

What is the radial notch?

A

A depression located on the lateral aspect of the coronoid process

53
Q
A

Sectional Anatomy (25 decks)

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