Chapter 3B (Osteology of Hand)

Question 1

The carpus/wrist is composed of ____ ____ ____ arranged in proximal and distal rows of _____ to give flexibility to the wrist.

Answer 1

8 carpal bones; 4

Question 2

Proximal row

Answer 2

• Scaphoid
• Lunate
• Triquerum
• Pisiform

Question 3

Distal row

Answer 3

• Trapezium
• Trapezoid
• Capitate
• Hamate

Question 4

The _____ forms the skeleton of the palm of the hand between the carpus and phalanges.

Answer 4

Metacarpus

Question 5

(Bones of the Hand)

Composed of ____ ____ bones consisting of a base, shaft, and head

Answer 5

5 metacarpal

Question 6

The ____ _____ is the thickest and shortest of the metacarpals

Answer 6

1st metacarpal

Question 7

The ____ ____ is distinguished by a styloid process on the lateral side of ist base

Answer 7

3rd metacarpal

Question 8

Each finger has 3 phalanges with the exception of the ____, which only has _____

Answer 8

1st; 2

Question 9

The ____ ___ are the largest, ____ ____ are the intermediate size, and the ____ ____ are the smallestt.

Answer 9

Proximal phalanges; middle phalanges; distal phalanges

Question 10

The ____ is the most frequently fractured carpal bone, resulting from a fall on the palm when the hand is ______.

Answer 10

Scaphoid; aBdcuted

Question 11

A fracture of the _____ is often misdiagnosed as a severely sprained wrist

Answer 11

Scaphoid

Question 12

The result of the fracture of the scaphoid may include ____ ____ of the proximal fragment of the scaphoid and produce ____ ___ ___ of the wrist.

Answer 12

Avascular necrosis; degenerative joint disease.