Upper limb anatomy

Question 1

How many bones make up the phalanges?

Answer 1

14

Question 2

How many bones make up metacarpals?

Answer 2

5

Question 3

How many bones make up the carpal (wrist) region?

Answer 3

8

Question 4

How many total number of bones are in the hand and wrist?

Answer 4

27

Question 5

The two portions of the thumb:

Answer 5

proximal and distal phalange

Question 6

The three portions of each finger:

Answer 6

proximal
middle
distal

Question 7

What is the name of the joint between the proximal and distal phalanges of the first digit?

Answer 7

interphalangeal (IP) joint

Question 8

What are the joints between the metacarpals and the phalanges?

Answer 8

MCP joint

Question 9

What is the largest of the carpal bones?

Answer 9

capitate

Question 10

Which carpal contains a hooklike process?

scaphoid
trapezium
hamate
pisiform

Answer 10

hamate

Question 11

What is the name of the hooklike process that extends anteriorly from the hamate?

Answer 11

hamulus/hamular process

Question 12

What is the most commonly fractured carpal bone?

Answer 12

scaphoid

Question 13

Which carpal articulates with the base of the thumb?

scaphoid
lunate
trapezoid
trapezium

Answer 13

trapezium

Question 14

Which two carpal bones are located most anteriorly as seen on a lateral wrist radiograph?

hamate and pisiform
trapezium and trapezoid
capitate and lunate
scaphoid and trapezium

Answer 14

scaphoid and trapezium

Question 15

The third carpal bone on the proximal row (from the lateral aspect of wrist) is the:

A. hamate
B. triquetrum
C. trapezoid
D. scaphoid

Answer 15

triquetrum

Question 16

Which of the bones of the forearm is located on the lateral (thumb) side?

Answer 16

radius

Question 17

Which of the bones of the forearm is located on the pinky side?

Answer 17

ulna

Question 18

Which joint permits the forearm to rotate during pronation?

Answer 18

proximal radioulnar joint

Question 19

What is the articular portion of the medial aspect of the distal humerus?

Answer 19

trochlea

Question 20

What is the similar structure found on the lateral aspect of the distal humerus?

Answer 20

capitulum

Question 21

The deep depression located on the posterior aspect of the distal humerus is the ____________________

Answer 21

olecranon fossa

Question 22

First and smallest of the concentric arcs of the elbow:

Answer 22

trochlear sulcus

Question 23

The smaller intermediate arc of elbow:

Answer 23

capitulum

Question 24

The larger intermediate arc of elbow:

Answer 24

trochlea

Question 25

The third arc (part of ulna)

Answer 25

trochlear notch

Question 26

The following five additional ligaments are also important in stabilizing the wrist joint: dorsal radiocarpal palmar radiocarpal triangular fibrocartilage complex (TFCC) scapulolunate lunotriquetral

Answer 26

true

Question 27

Which ligament of the wrist extends from the styloid process of the radius to the lateral aspect of the scaphoid and trapezium bones?

Answer 27

radial collateral

Question 28

Which bone of the upper limb contains the coronoid process?

Answer 28

ulna

Question 29

What's the name of the two special turning/bending positions of the hand and wrist that demonstrate medial and lateral aspects of the carpal region?

Answer 29

ulnar and radial deviation

Question 30

Which deviation is most commonly performed to detect a fracture of the scaphoid bone?

Answer 30

ulnar deviation

Question 31

Why is a PA projection not ideal for a radiograph of the forearm?

Answer 31

the radius crosses over the ulna

Question 32

two important fat stripes or band around the wrist joint:

Answer 32

scaphoid pronator

Question 33

What is a mnemonic for remembering the carpals?

Answer 33

Steve Left The Party To Take Carol Home

Question 34

The large concave depression, or notch, that articulates with the distal humerus.

Answer 34

trochlear notch

Question 35

The small, shallow depression located on the lateral aspect of the proximal ulna.

Answer 35

radial notch

Question 36

The ulnar notch is located at the: A. distal end of the ulna B. medial aspect of the distal radius C. proximal end of the ulna D. proximal end of the radius

Answer 36

medial aspect of the distal radius

Question 37

IP joints have what type of joint movement?

Answer 37

ginglymus (hinge)

Question 38

second-fifth MCP joints have what type of joint movement?

Answer 38

ellipsoidal (4 directions)

Question 39

the first MCP joint has what type of joint movement?

Answer 39

ellipsoidal, with limited abduction and adduction

Question 40

the first CMC joint of the thumb has what type of joint movement?

Answer 40

saddle

Question 41

second-fifth CMC joints have what type of joint movement?

Answer 41

plane

Question 42

the intercarpal joints have what type of joint movement?

Answer 42

plane

Question 43

the wrist joint has what type of joint movement?

Answer 43

ellipsoidal

Question 44

the elbow joint has what type of joint movement?

Answer 44

ginglymus (hinge)

Question 45

ulnar deviation

Answer 45

"opens" and best demonstrates carpals on radial/lateral side of wrist

Question 46

radial deviation

Answer 46

opens and best demonstrates carpals on the ulnar/medial side of wrist

Question 47

fat pads/stripes

Answer 47

certain accumulations of fat at joint regions

Question 48

Where are the coronoid process and radial fossae located?

Answer 48

anterior aspect of distal humerus

Question 49

Where is the coronoid tubercle located?

Answer 49

medial aspect of coronoid process

Question 50

arthrography is a radiographic study of:

Answer 50

soft-tissue structures within certain synovial joints

Question 51

Which of the following structures is located on the distal humerus?

Answer 51

A. styloid process B. olecranon process C. coronoid process D. capitulum

Question 52

The distal radius will cross over the ulna when the hand is pronated.

Answer 52

true