Question 1

The radius

Accepted Answer

A)  Articulates with the trochlea of the humerus in a synovial ball and socket joint
B)  Has Lister's tubercle on its posterior aspect
C)  Provides insertion of the brachioradialis at the tip of the styloid process
D)  Articulates predominantly with the triquetral and the lunate
E)  Provides insertion for brachialis muscle a the radial tubercle B

Question 2

With regard to the anatomical snuff box

Accepted Answer

A)  The basilic vein originates in it
B)  The EPL tendon forms its ulnar border
C)  The radial artery makes up part of its roof
D)  The APB tendon forms its radial border
E)  Scaphoid and triquetrum are palpable in its floor B

Question 3

the extensor expansions of the fingers

Accepted Answer

A)  form the posterior part of the capsule of the MCPJ
B)  central slip passes to the terminal phalanx
C)  retinacular ligaments are attached near the base of the proximal phalanx
D)  the lumbricals attach more proximal than the interossei
E)  the extensor expansion is broadest over the middle phalanx A

Question 4

FCR tendon

Accepted Answer

A)  Gives a slip of insertion into the scaphoid
B)  Contains a sesamoid bone
C)  Lies medial to the median nerve at the wrist
D)  Lives in the groove of the hamate at the wrist
E)  Has fleshy fibres on its radial side until immediately proximal to the carpal tunnel

Question 5

In the hand

Accepted Answer

A)  The tendon of extensor indicis is usually split into 2
B)  The skin over the thenar eminence is supplied by the muscular recurrent branch of the median nerve after it supplies the thenar muscles
C)  The ulnar nerve supplies palmaris brevis
D)  Adductor pollicis lies deep to the other 2 muscles of the thenar eminence
E)  The digital arteries lie on the palmar side of the nerve

Question 6

The long head of the biceps

Accepted Answer

A)  Separates the radial nerve from the humerus
B)  Arises from the infraglenoid tubercle
C)  Is supplied by the median n
D)  A bursa separates its tendon from the radial tuberosity
E)  Is intracapsular in the shoulder joint

Question 7

In the upper limb

Accepted Answer

A)  The upper trunk of the brachial plexus is prone to injury by forceful depression of the shoulder and results in Erb's palsy
B)  Median nerve compression in the axilla may result in 'Saturday night palsy'
C)  The unla nerve is commonly injured in fractures of the surgical neck of humerus
D)  Musculocutaneous nerve is prone to injury in fractures of the lower 1/3 of the humerus
E)  The radial nerve is most commonly injured in supracondylar fractures

Question 8

The midpalmar space

Accepted Answer

A)  Always contains the 1st lumbrical
B)  Is floored by the 2nd and 3rd metacarpal spaces
C)  Usually contains the flexor tendons to the II finger
D)  Communicates with the ulnar 3 lumbrical canals
E)  Is not limited proximally

Question 9

Rotation of the scapula is primarily produced by

Accepted Answer

A)  Rhomboids
B)  Teres major
C)  trapezius
D)  Latissimus dorsi
E)  Levator scapulae

Question 10

The ulna nerve

Accepted Answer

A)  Has C8, T1 fibres only
B)  Is sensory to the medial aspect of the forearm and hand
C)  Supplies the ulnar part of FDP
D)  Traverses the carpal tunnel lateral to the tendon of FCU
E)  Accompanies the brachial artery in the cubital fossa

Question 11

regarding the elbow joint

Accepted Answer

A)  the radial collateral ligament is triangular and consists of 3 bands
B)  the capsule is not attached to the radius
C)  the annular ligament is attached to the margins of the radial notch of the ulna and the neck of the radius
D)  the carrying angle is 1800
E)  the trochlea forms a portion of a sphere

Question 12

Injury to the ulnar nerve will cause paralysis of all of the following except

Accepted Answer

A)  Medial half FDP
B)  FDMB
C)  APB
D)  FCU
E)  Adductor pollicis

Question 13

Rotator cuff muscles include

Accepted Answer

A)  Subclavius
B)  Teres minor
C)  Pectoralis major
D)  Teres major
E)  Deltoid

Question 14

The axillary artery

Accepted Answer

A)  Arrives at the lateral border of scalenus anterior
B)  Is divided into 3 parts by its relationship to pectoralis major
C)  Becomes the brachial artery at the inferior border of teres minor
D)  Has 3 branches from its 3rd part
E)  Is clasped by the trunks of the brachial plexus at its 2nd part

Question 15

The axillary nerve

Accepted Answer

A)  Supplies the rotator cuff
B)  Is a branch of the medial cord of the brachial plexus
C)  Exits the axilla through the quadrangular space
D)  Is accompanied by the profunda brachii artery
E)  Is derived from C7,C8

Question 16

Regarding the innervation of the hand

Accepted Answer

A)  Palmar branch of the medial nerve passes under the flexor retinaculum
B)  The ulnar 1 ½ fingers are supplied by the deep branch of the ulna nerve
C)  The deep branch of the ulna nerve supplies the interossei mm
D)  The common palmar digital nerve lies superficial to the palmar arch
E)  Carpal tunnel syndrome results in the loss of flexion of the IPJ of thumb

Question 17

Regarding the synovial flexor sheaths in the hand and wrist, which is false

Accepted Answer

A)  They surround flexor tendons in the carpal tunnel
B)  The superficial and deep flexors are invested with a common synovial sheath
C)  The common flexor sheaths can communicate with FPL sheath in some people
D)  For the II, III and IV fingers a separate synovial sheath lies the fibrous sheath over the phalanges
E)  The sheath is the origin of the lumbricals

Question 18

At the wrist

Accepted Answer

A)  The scaphoid and the trapezoid form the floor of the anatomical snuff box
B)  FPL is surrounded by the common synovial sheath
C)  The ulna articulates with the triquetral except in extreme radial adduction
D)  All carpal bones form part of the wrist joint
E)  No active rotation takes place

Question 19

Compression of structures in the carpal tunnel usually results in

Accepted Answer

A)  Weakness of forearm flexors
B)  Weakness of flexion of the terminal phalanx of the thumb
C)  Weakness of the interossei mm
D)  Unaffected sensation on the palmar surface of the little finger
E)  Weakness of all the lumbrical muscles

Question 20

Which one of these tendons shares a synovial sheath with another tendon

Accepted Answer

A)  Extensor indicis
B)  APL
C)  FCR
D)  FPL
E)  ECRL

Exam 7: Anatomy and Function of Upper Limb Structures