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Bones > Hand > Flashcards

Hand Flashcards

1
Q

What shape is the scaphoid?

A

A boat shaped bone

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2
Q

What shape is the lunate?

A

A moon shaped bone

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3
Q

What shape is the triquetrum?

A

A pyramidal bone

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4
Q

What shape is the pisiform?

A

A small, pea shaped bone

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5
Q

How many sides does the trapezium have?

A

4

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6
Q

What shape is the trapezoid?

A

A wedge shaped bone that resembles the trapezium

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7
Q

What shape is the capitate?

A

A head shaped bone with a rounded extremity

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8
Q

What shape is the hamate?

A

A wedge shaped bone

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9
Q

What does the scaphoid articulate with?

A

The radius

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10
Q

What does the scaphoid have that is predominant?

A

A scaphoid tubercle

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11
Q

What is the largest bone in the proximal row of carpals?

A

The scaphoid

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12
Q

Where is the lunate?

A

Between the scaphoid and triquetral bones

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13
Q

Where does the lunate articulate?

A

Proximally with the radius

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14
Q

Where is the lunate broader?

A

Broader anteriorly than posteriorly

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15
Q

Where is the triquetrum?

A

On the medial side of the carpus

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16
Q

Where does the triquetrum articulate?

A

Proximally with the articular disc of the distal radio-ulnar joint

17
Q

Where is the pisiform?

A

Lies on the palmer surface of the triquetrum

18
Q

Where is the trapezium?

A

On the lateral side of the carpus

19
Q

What does the trapezium articulate with?

A

The 1st and 2nd metacarpals, scaphoid, and trapeziod bones

20
Q

What does the trapezoid articulate with?

A

The 2nd metacarpal, trapezium, capitate and scaphoid bones

21
Q

What is the largest bone in the carpus?

A

The capitate

22
Q

What does the capitate articulate with?

A

Primarily with the 3rd metacarpal distally, and with the trapezoid, scaphoid, lunate, and hamate

23
Q

Where is the hamate?

A

On the medial side of the hand

24
Q

What does the hamate articulate with?

A

The 4th and 5th metacarpal, capitate, and triquetral bones

25
Q

What is distinctive about the hamate?

A

It has a hooked process, the hook of the hamate, that extends anteriorly

Bones (1 decks)

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