Deck 7: Anatomy and Function of Upper Limb Structures

Question 1

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

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

Answer 1

Extensor indicis

Question 2

The midpalmar space

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

Answer 2

Communicates with the ulnar 3 lumbrical canals

Question 3

All the following concerning FDS are true except

A)Arises from the common flexor origin
B)Forms the upper limit of the space of Parona
C)The middle and ring finger tendon are more superficial than the index and middle finger
D)Tendons inserts into the base of the distal phalanx
E)The median nerve is on its deep surface

Answer 3

Tendons inserts into the base of the distal phalanx

Question 4

The long head of the biceps

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 5

the extensor expansions of the fingers

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

Question 6

Compression of structures in the carpal tunnel usually results in

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 7

Regarding the innervation of the hand

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 8

With regard to the anatomical snuff box

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

Question 9

The annular ligament of the radius

A)Is covered by synovium
B)Is attached to the head of the radius
C)Is attached to the margins of the radial notch
D)Clasps the head, neck and shaft of the radius
E)Is extracapsular to the elbow joint

Question 10

Rotator cuff muscles include

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

Question 11

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

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 12

The axillary nerve

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 13

The ulna nerve

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 14

The axillary artery

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 following structures are relevant to the cubital fossa except

A)Brachialis
B)Pronator quadratus
C)Radial artery
D)Median nerve
E)Supinator

Question 16

FCR tendon

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 17

The radius

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

Question 18

In the upper limb

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 19

Rotation of the scapula is primarily produced by

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

Question 20

In the hand

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 21

At the wrist

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 22

regarding the elbow joint

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 23

Muscles of the flexor compartment of the forearm include

A)Pronator teres
B)Anconeus
C)Brachioradialis
D)Supinator
E)Adductor Pollicis Longus

Question 24

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

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

Question 25

Which of the following structures passes posterior to the flexor retinaculum at wrist

A)Palmar cutaneous branch of the ulnar n
B)Palmaris longus tendon
C)FPL tendon
D)Ulnar artery
E)Palmar cutaneous branch of median n