Chapter 4 and 5 Exam STUDY GUIDE
How many bones make up the phalanges of the hand? - ANS 14
How many bones make up the carpal region? - ANS 8
How many bones make up the metacarpals? - ANS 5
What is the total number of bones that make up the hand and wrist? - ANS 27
Two portions of the thumb (first digit) are: - ANS Proximal phalanx
Distal phalanx
Between the two phalanges of the first digit (thumb) - ANS Interphalageal (IP) joint
Between the first metacarpal and the proximal phalanx of the thumb? - ANS First
Metacarpophlangeal (MCP) joint
The three portions of each finger (second through fifth digit) are: - ANS Proximal phalanx
Middle phalanx
Distal phalanx
Three parts of each phalanx, distally are: - ANS Head
Body (shaft)
Base
Between the middle and distal phalanges of the fourth digit? - ANS Fourth Distal
interphlangeal (DIP) joint
Between the carpals and the first metacarpal? - ANS First Carpometacarpal (CMC) joint
Between the forearm and the carpals? - ANS Radiocarpal
Between the distal radius and ulna? - ANS Distal radioulnar
T/F The entire metacarpal and trapezium must be demonstrated on all projections of the thumb
- ANS True
, A _______ bone is frequently found adjacent to the metacarpophalangeal (MCP) joint of the
thumb - ANS Sesamoid bone
The first metacarpal articulates with what carpal bone? - ANS Trapezuim
The second metacarpal articulates with what carpal bone? - ANS Trapezoid
The third metacarpal articulates with what carpal bone? - ANS Capitate
The fourth and fifth metacarpal articulates with what carpal bone? - ANS Hamate
Which carpal bone contains a "hooklike" process? - ANS Hamate
Which carpal bone is most commonly fractured? - ANS Scaphoid
Which is the largest of the carpal bones? - ANS Capitate
Which two carpal bones are located most anteriorly as seen on a lateral wrist radiograph? -
ANS Scaphoid and trapezium
Which ligament of the wrist extends from the styloid process of the radius to the lateral aspect of
the scaphoid and trapezium bones? - ANS Radial collateral ligament
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? - ANS Radial deviation (medial)
Ulnar deviation (lateral)
What special turning or bending position of the hand and wrist are commonly performed to
detect a fracture of the scaphoid bone? - ANS Ulnar deviation
T/F If the posterior fat pad of the elbow is not visible radiographically, it suggest that a non
obvious radial head or neck fracture is present. - ANS False, A non-visible fat pad suggest a
negative exam
T/F Trauma or infection make the anterior fat pad more difficult to see on a lateral elbow
radiograph - ANS False
Which routine projection best demonstrates the scaphoid fat pad? - ANS Posteroanterior
(PA) and oblique wrists
Which routine projection best demonstrates the pronator fat stripe? - ANS Lateral wrist
Medial rotation, the radius and ulna are superimposed - ANS What rotation of the elbow is
this?