Deck 9: Upper Extremity

Question 1

The ulnar nerve is located between the _____ epicondyle of the humerus and the ______ process.

A) medial; olecranon
B) lateral; olecranon
C) medial; coronoid
D) lateral; coronoid

Answer 1

A

Question 2

Questions 18 through 21 refer to the figure below of a coronal CT reformat of the wrist.

Which arrow points to the second metacarpal?

A) A
B) B
C) C
D) D

Answer 2

C

Question 3

Where does the short head of the biceps brachii muscle originate?

A) Greater tubercle of the humerus
B) Acromion process
C) Scapular spine
D) Coracoid process

Answer 3

D

Question 4

Which ligament protects the humeral head from direct trauma?

A) Glenohumeral
B) coracoacromial ligament
C) Coracoclavicular
D) Acromioclavicular

Question 5

What structure forms a bridge over the intertubercular groove for protection of the long head of the biceps tendon?

A) Inferior glenohumeral ligament
B) Transverse humeral ligament
C) Axillary pouch
D) Inferior glenoid labrum

Question 6

Which of the following carpal bones is located in the proximal row?

A) Trapezium
B) Hamate
C) Scaphoid
D) Capitate

Question 7

The structure that consists of a series of short ligaments that connect the palmar
Plates of the metacarpal heads is called the:

A) annular pulley system.
B) collateral ligaments.
C) palmar ligaments.
D) deep transverse metacarpal ligament.

Question 8

The infraglenoid tubercle of the glenoid process is the attachment site for what muscles?

A) Short heads of the biceps and triceps brachii muscles
B) Long heads of the biceps and triceps brachii muscles
C) Coracobrachialis and subscapularis muscles
D) Coracobrachialis and teres minor muscles

Question 9

Which of the following is not one of the muscles of the thenar group in the hand?

A) Lumbrical
B) Abductor pollicis brevis
C) Flexor pollicis brevis
D) Adductor pollicis

Question 10

Which of the following muscles is located in the posterior muscle group of the elbow?

A) Brachialis
B) Anconeus
C) Supinator
D) Pronator

Question 11

Which articulations of the elbow create the pivot joint that aids in supination and pronation of the elbow?

A) Radiohumeral and ulnohumeral
B) Radiohumeral and radioulnar
C) Radioulnar and ulnohumeral
D) Ulnohumeral and trochlear

Question 12

The carpal articular surface of the distal radius articulates with which carpal bones?

A) Lunate and triquetral
B) Triquetral and scaphoid
C) Scaphoid and lunate
D) Triquetral and pisiform

Question 13

What ligament in the elbow attaches to the annular ligament?

A) Ulnar collateral
B) Radial collateral
C) Biceps
D) Supinator

Question 14

The infraspinatus tendon inserts on the:

A) labrum.
B) bicipital groove.
C) greater tubercle.
D) coracoid process.

Question 15

The major stabilizing element of the distal radioulnar joint is the:

A) triangular fibrocartilage complex.
B) ulnar collateral ligaments.
C) intercarpal ligaments.
D) radial collateral ligaments.

Question 16

Questions 18 through 21 refer to the figure below of a coronal CT reformat of the wrist.

Which arrow points to the lunate?

A) A
B) B
C) C
D) D

Question 17

How many muscles are located within the ventral group or deep muscles of the
Forearm?

A) 3
B) 5
C) 7
D) 9

Question 18

Questions 18 through 21 refer to the figure below of a coronal CT reformat of the wrist.

Which arrow points to the radius?

A) A
B) B
C) C
D) D

Question 19

Which nerve courses through the carpal tunnel?

A) Ulnar
B) Median
C) Radial
D) Navicular

Question 20

In the figure below of an axial CT of the shoulder,which arrow points to the subscapularis muscle?

A) A
B) B
C) C
D) D

Question 21

Questions 34 through 37 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.

Which arrow points to the supraspinatus muscle?

A) A
B) B
C) C
D) D

Question 22

Questions 34 through 37 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.

Which arrow points to the scapular spine?

A) A
B) B
C) C
D) D

Question 23

Questions 30 through 33 refer to the figure below of a coronal oblique, T1-weighted MRI of the right shoulder.

Which arrow points to the coracoid process?

A) A
B) B
C) C
D) D

Question 24

Questions 22 through 25 refer to the figure below.

Which arrow points to the deltoid muscle?

A) A
B) B
C) C
D) D

Question 25

Questions 30 through 33 refer to the figure below of a coronal oblique, T1-weighted MRI of the right shoulder.

Which arrow points to the coracoclavicular ligament?

A) A
B) B
C) C
D) D

Question 26

Questions 26 through 29 refer to the figure below of a sagittal oblique, T1-weighted MRI of the shoulder.

Which arrow points to the coracoid process?

A) A
B) B
C) C
D) D

Question 27

Questions 38 through 41 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.

Which arrow points to the deltoid muscle?

A) A
B) B
C) C
D) D

Question 28

Questions 22 through 25 refer to the figure below.

Which arrow points to the superior labrum?

A) A
B) B
C) C
D) D

Question 29

Questions 38 through 41 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.

Which arrow points to the subscapularis tendon?

A) A
B) B
C) C
D) D

Question 30

Questions 26 through 29 refer to the figure below of a sagittal oblique, T1-weighted MRI of the shoulder.

Which arrow points to the coracobrachialis muscle?

A) A
B) B
C) C
D) D

Question 31

Questions 38 through 41 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.

Which arrow points to the short head biceps brachii tendon?

A) A
B) B
C) C
D) D

Question 32

Questions 30 through 33 refer to the figure below of a coronal oblique, T1-weighted MRI of the right shoulder.

Which arrow points to the coracoacromial ligament?

A) A
B) B
C) C
D) D

Question 33

Questions 34 through 37 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.

Which arrow points to the head of humerus?

A) A
B) B
C) C
D) D

Question 34

Questions 34 through 37 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.

Which arrow points to the coracoid process?

A) A
B) B
C) C
D) D

Question 35

Questions 26 through 29 refer to the figure below of a sagittal oblique, T1-weighted MRI of the shoulder.

Which arrow points to the acromion?

A) A
B) B
C) C
D) D

Question 36

Questions 22 through 25 refer to the figure below.

Which arrow points to the glenoid fossa?

A) A
B) B
C) C
D) D

Question 37

Questions 26 through 29 refer to the figure below of a sagittal oblique, T1-weighted MRI of the shoulder.

Which arrow points to the coracoclavicular ligament?

A) A
B) B
C) C
D) D

Question 38

Questions 30 through 33 refer to the figure below of a coronal oblique, T1-weighted MRI of the right shoulder.

Which arrow points to the coracohumeral ligament?

A) A
B) B
C) C
D) D

Question 39

Questions 18 through 21 refer to the figure below of a coronal CT reformat of the wrist.

Which arrow points to the trapezoid?

A) A
B) B
C) C
D) D

Question 40

Questions 22 through 25 refer to the figure below.

Which arrow points to the AC joint?

A) A
B) B
C) C
D) D

Question 41

Questions 50 through 53 refer to the figure below of an axial, T2-weighted MRI of the elbow.

Which arrow points to the flexor digitorum superficialis muscle?

A) A
B) B
C) C
D) D

Question 42

Questions 50 through 53 refer to the figure below of an axial, T2-weighted MRI of the elbow.

Which arrow points to the pronator teres muscle?

A) A
B) B
C) C
D) D

Question 43

Questions 42 through 45 refer to the figure below of an axial CT of the right forearm.

Which arrow points to the flexor digitorum superficialis muscle?

A) A
B) B
C) C
D) D

Question 44

Questions 42 through 45 refer to the figure below of an axial CT of the right forearm.

Which arrow points to the brachioradialis muscle?

A) A
B) B
C) C
D) D

Question 45

Questions 46 through 49 refer to the figure below of an axial, T1-weighted MRI of the distal humerus.

Which arrow points to the ulnar nerve?

A) A
B) B
C) C
D) D

Question 46

Questions 38 through 41 refer to the figure below of an axial, T1-weighted MRI of the right shoulder.

Which arrow points to the infraspinatus muscle?

A) A
B) B
C) C
D) D

Question 47

Questions 50 through 53 refer to the figure below of an axial, T2-weighted MRI of the elbow.

Which arrow points to the ulnar collateral ligament?

A) A
B) B
C) C
D) D

Question 48

Questions 42 through 45 refer to the figure below of an axial CT of the right forearm.

Which arrow points to the ulna?

A) A
B) B
C) C
D) D

Question 49

Questions 58 through 61 refer to the figure below of a coronal, T2-weighted MRI of the wrist.

Which arrow points to the midcarpal joint?

A) A
B) B
C) C
D) D

Question 50

Questions 50 through 53 refer to the figure below of an axial, T2-weighted MRI of the elbow.

Which arrow points to the brachioradialis muscle?

A) A
B) B
C) C
D) D

Question 51

Questions 58 through 61 refer to the figure below of a coronal, T2-weighted MRI of the wrist.

Which arrow points to the triquetral?

A) A
B) B
C) C
D) D

Question 52

Questions 58 through 61 refer to the figure below of a coronal, T2-weighted MRI of the wrist.

Which arrow points to the lunate?

A) A
B) B
C) C
D) D

Question 53

Questions 46 through 49 refer to the figure below of an axial, T1-weighted MRI of the distal humerus.

Which arrow points to the triceps brachii muscle (lateral head)?

A) A
B) B
C) C
D) D

Question 54

Questions 54 through 57 refer to the figure below of an axial CT of the right shoulder.

Which arrow points to the infraspinatus muscle?

A) A
B) B
C) C
D) D

Question 55

Questions 42 through 45 refer to the figure below of an axial CT of the right forearm.

Which arrow points to the flexor carpi radialis muscle?

A) A
B) B
C) C
D) D

Question 56

Questions 46 through 49 refer to the figure below of an axial, T1-weighted MRI of the distal humerus.

Which arrow points to the brachioradialis muscle?

A) A
B) B
C) C
D) D

Question 57

Questions 46 through 49 refer to the figure below of an axial, T1-weighted MRI of the distal humerus.

Which arrow points to the brachialis muscle?

A) A
B) B
C) C
D) D

Question 58

Questions 54 through 57 refer to the figure below of an axial CT of the right shoulder.

Which arrow points to the deltoid muscle?

A) A
B) B
C) C
D) D

Question 59

Questions 54 through 57 refer to the figure below of an axial CT of the right shoulder.

Which arrow points to the subscapularis muscle?

A) A
B) B
C) C
D) D

Question 60

Questions 54 through 57 refer to the figure below of an axial CT of the right shoulder.

Which arrow points to the axillary artery?

A) A
B) B
C) C
D) D

Question 61

Questions 62 through 65 refer to the figure below of an axial, T1-weighted MRI of the wrist.

Which arrow points to the abductor digiti minimi muscle?

A) A
B) B
C) C
D) D

Question 62

Questions 62 through 65 refer to the figure below of an axial, T1-weighted MRI of the wrist.

Which arrow points to the flexor pollicis longus tendon?

A) A
B) B
C) C
D) D

Question 63

Questions 58 through 61 refer to the figure below of a coronal, T2-weighted MRI of the wrist.

Which arrow points to the radiocarpal joint?

A) A
B) B
C) C
D) D

Question 64

Questions 62 through 65 refer to the figure below of an axial, T1-weighted MRI of the wrist.

Which arrow points to the extensor carpi radialis longus tendon?

A) A
B) B
C) C
D) D

Question 65

Questions 62 through 65 refer to the figure below of an axial, T1-weighted MRI of the wrist.

Which arrow points to the hook of the hamate?

A) A
B) B
C) C
D) D