Chapter 4

Question 1

The hand consists of

Answer 1

27 bones

Question 2

The hand has __ phalanges

Answer 2

14

Question 3

The hand has __ metacarpals

Answer 3

5

Question 4

The hand has __ carpals

Answer 4

8

Question 5

Each phalanx consists of

Answer 5

Distal head, body (shaft), and proximal base

Question 6

Distal phalanx has

Answer 6

Ungual tuft

Question 7

Head of metacarpals are the

Answer 7

Distal round portion

Question 8

Body (shaft) of metacarpals are the

Answer 8

Long curved portion. Concave anteriorly, convex posteriorly

Question 9

Base of metacarpals

Answer 9

Proximal end articulates with carpals

Question 10

1st metacarpal is considered part of the thumb and must be

Answer 10

Included in entirety on thumb radiographs

Question 11

Bennetts fracture- fracture on base of 1st metacarpal

Answer 11

Extending into CMCJ subluxation posterior

Question 12

Boxer’s fracture is a transverse fracture

Answer 12

Extending through metacarpal neck, usually 5th metacarpal

Question 13

Skiers thumb is a sprain or tear of the ulnar collateral ligament of the thumb near

Answer 13

MCPJ caused by hypertension of thumb

Question 14

The carpometacarpal joints 2nd-5th are considered

Answer 14

Plane (gliding)