Quiznetik

Upper Limb | Set 2

1. The upper end of the humerus

A. Has subscapularis attaches to the greater tuberosity

B. Has teres major attached to the floor of the bicipital groove

C. Has 3 epiphyses which fuse separately with the chart

D. Has the capsular ligament of the shoulder joint attached to the whole of the anatomical neck

E. Is the growing end of the humerus

Correct : E. Is the growing end of the humerus

2. In the cubital fossa

A. The ulnar n is on the medial side

B. The radial n is on the lateral side

C. The median n is lateral to the brachial a

D. All the superficial veins are deep to the cutaneous nn

E. The brachial artery is lateral to the tendon of the biceps

Correct : B. The radial n is on the lateral side

3. The sternoclavicular joint

A. Is a fibrocartilaginous joint

B. Is strengthened by strong intra-capsular ligaments

C. Is the fulcrum of clavicular movement in abduction of the shoulder

D. Has a fibrocartilaginous disc

E. Allows very limited rotation

Correct : D. Has a fibrocartilaginous disc

4. Subscapularis

A. Unipennate

B. Supplied by one branch of brachial plexus

C. Shares its nerve supply with teres minor

D. Covered by dense fascia

E. Arises from the whole of the subcostal surface of the scapula

Correct : D. Covered by dense fascia

5. The ulnar collateral n

A. Branch of the ulnar n

B. Is a direct branch of the brachial plexus

C. Branch of radial n

D. Is cutaneous

E. Travels in spiral groove

Correct : C. Branch of radial n

6. Elbow joint

A. Does not communicate with prox RUJ

B. The trochlea articulates with the trochlear notch of the humerus

C. Capsule is attached to trochlear notch, annular ligament and the radius

D. Nerve supply from all cords of the brachial plexus

E. The radial collateral lig does not join fibres from the annular lig

Correct : D. Nerve supply from all cords of the brachial plexus

7. The axilla

A. Has its floor composed of serratus anterior down to 4th rib

B. Communicates with the anterior triangle via its apex

C. Has the clavipectoral fascia as part of the anterior wall

D. Receives lymphatics from the arm only

E. Has teres minor as part of the posterior wall

Correct : C. Has the clavipectoral fascia as part of the anterior wall

8. Regarding finger flexion

A. FDS inserts into base of distal phalanx

B. FDP enters the fibrous sheath superficial to the FDS tendon

C. When palmar & dorsal interossei contract together flexion of the MCPJ results

D. The lumbricals are attached to the extensor expansions and to the prox phalanges

E. In the flexor sheath, the tendons of FDP and FDS are invested by separate synovial sheaths

Correct : C. When palmar & dorsal interossei contract together flexion of the MCPJ results

9. Median n

A. Supplies pronator teres

B. Supplies EPL

C. Supplies all of FDP

D. Supplies biceps brachii

E. Passes under pronater teres

Correct : A. Supplies pronator teres

10. Regarding carpal bones

A. The capitate is the 2nd largest carpal

B. The lunate is least likely to be dislocated

C. The scaphoid is unlikely to develop avascular necrosis

D. The trapezium has its own synovial joint

E. The head of the hamate makes contact with superficial branch of the ulnar

Correct : D. The trapezium has its own synovial joint

11. Concerning blood supply of the hand

A. The radial artery crosses the anatomical snuff box over the trapezoid

B. The superficial palmar arch is a direct continuation of the radial artery

C. The superficial palmar arch is usually a complete arch

D. The superficial palmar arch supplies the thumb

E. The radial artery gives off the radialis indicis artery and the princeps

Correct : E. The radial artery gives off the radialis indicis artery and the princeps

12. The medial cord of the brachial plexus

A. Has no contribution from C7

B. Has the median nerve as its largest branch

C. Lies posterior to the first part of axillary artery

D. Gives the upper subscapular n (C5,6)

E. Is formed by the anterior division of the middle and lower trunk

Correct : C. Lies posterior to the first part of axillary artery

13. Regarding tendons across the wrist

A. FCU passes deep to the flexor retinaculum

B. ECRB inserts into the base of the 3rd metacarpal

C. FDP tendons insert into the base of the prox phalanx

D. ECRL passes through carpal tunnel

E. FCR lies superficial to flexor retinaculum

Correct : B. ECRB inserts into the base of the 3rd metacarpal

14. Regarding the cubital fossa

A. It is diamond shaped

B. Contains the ulnar n

C. Radial nerve exits between the 2 heads of supinator

D. Brachial artery is lateral to biceps tendon

E. Brachialis is not a part of the floor

Correct : C. Radial nerve exits between the 2 heads of supinator

15. Regarding the stability of the shoulder

A. The weakest aspect is anteriorly

B. The coracoid is not an important contributor

C. Scapular rotation does not contribute significantly to upper limb mobility

D. Posterior dislocation is more common than anterior

E. There is a 4:1 disparity between the glenoid and the humeral head

Correct : E. There is a 4:1 disparity between the glenoid and the humeral head

16. Movements of the thumb include

A. Radial abduction by APB and EPB

B. Opposition of opponens pollicis

C. Palmar abduction by APL

D. Adduction by FPL

E. Opposition is not important in the power grip

Correct : B. Opposition of opponens pollicis

17. Carpal tunnel syndrome is associated with

A. Impaired sensation over the little and ring fingers

B. Sensory loss over the thenar eminence

C. Weakness of FPL

D. Ulnar n compression in the canal of Guyon

E. Normal flexion of the terminal phalanx of the thumb

Correct : E. Normal flexion of the terminal phalanx of the thumb

18. With regard to the deep spaces of the hand the following are correct except

A. The thenar space always contains the 1st lumbrical

B. The thenar space is overlaid by the flexor tendons to the II finger

C. Infection in the midpalmar space can involve the ulnar 3 lumbricals

D. The hypothenar space encloses only the hypothenar muscles

E. The thenar space contains the common flexor sheaths

Correct : E. The thenar space contains the common flexor sheaths

20. Regarding the shoulder joint

A. The humeral head is twice the area of the glenoid cavity

B. The short head of biceps is intracapsular

C. It often communicates anteriorly with subscapularis bursa

D. It is reinforced by important glenohumeral ligaments

E. It is only supplied by the axillary n

Correct : C. It often communicates anteriorly with subscapularis bursa

21. The upper brachial plexus supplies

A. The medial rotators of the shoulder

B. The adductors of the shoulder

C. The extensors of the elbow

D. The small muscles of the hand

E. Sensation of the lateral side of arm and forearm

Correct : E. Sensation of the lateral side of arm and forearm

22. Regarding the elbow joint

A. The posterior band of the ulnar collateral lig is the strongest

B. The radial collateral ligament consists of 3 bands

C. Capsule is attached to the radius and ulna

D. The annular ligament has no attachment to the radius

E. It is supplied by the radial and ulnar n only

Correct : D. The annular ligament has no attachment to the radius

23. In regard to the vascular supply of the forearm

A. The post IO a ends in the dorsal carpal anastomosis

B. The radial a crosses the radial n distally

C. The ulnar a supplies the nutrient aa to both radius and ulna

D. The common IO a is a branch of the radial a

E. Both ant and post carpal arches lie at the level of the wrist joint

Correct : C. The ulnar a supplies the nutrient aa to both radius and ulna

24. Regarding the carpal tunnel

A. FPL has its own synovial sheath

B. The flexor retinaculum is attached to the scaphoid, trapezium, hamate and triquetrum

C. the median n lies medial to FDS

D. median n compression causes paraesthesia of the thenar eminence

E. palmaris longus runs lateral to the median n

Correct : A. FPL has its own synovial sheath

25. The radial a

A. Is lateral to the biceps tendon in the cubital fossa

B. Can be palpated in the floor of the anatomical snuff box

C. Disappears beneath the tendons of APL and EPB

D. Is rarely thrombosed during cannulation

E. In the middle one third of its course has the radial n medial to it

Correct : C. Disappears beneath the tendons of APL and EPB

26. In the brachial plexus

A. The roots forming the plexus originate from the posterior rami of C5-T1

B. The roots lie between the scalenus medius and scalenus posterior muscles

C. The trunks lie in the upper part of the posterior triangle

D. The division are formed behind the clavicle

E. The cords are formed after the outer border of the 1st rib

Correct : D. The division are formed behind the clavicle

27. with regard to the median nerve

A. it crosses posterior to the brachial artery to lie medial in the cubital fossa

B. its palmar cutaneous branch arises proximal to the carpal tunnel

C. it divides into lateral and medial branches distal to the carpal tunnel

D. it is the sole nerve supply to the flexors of the forearm

Correct : B. its palmar cutaneous branch arises proximal to the carpal tunnel

28. Concerning the wrist joint

A. The distal radius is not part of the joint

B. The joint capsule is thicker posteriorly

C. The triquetral bone forms part of the wrist joint

D. It usually communicates with the distal RUJ

E. It usually communicates with the midcarpal joint

Correct : C. The triquetral bone forms part of the wrist joint

29. In regard to median n distribution in the hand

A. The muscular branch to the thumb is given off prior to passing below the flexor retinaculum

B. Lateral branch supplies the nail bed of the thumb

C. Medial branch supplies the skin over the thenar eminence

D. The 1st lumbrical is supplied by the ulnar n

E. Digital nerves lie deep to the digital arteries

Correct : B. Lateral branch supplies the nail bed of the thumb

30. The axillary artery

A. Becomes the brachial artery at the upper border of teres major

B. Gives rise to the thoracoacromial artery as its largest branch

C. Lies medial to the axillary vein

D. Gives rise to the superior thoracic artery which supplies lattisimus dorsi

E. Is the continuation of the 3rd part of the subclavian artery

Correct : E. Is the continuation of the 3rd part of the subclavian artery

31. In relation to the movements of the thumb

A. APB is inserted into the ulnar side of the base of the prox phalanx

B. Thenar eminence supplied by muscular (remnant) branch of the median n

C. Adduction is by adductor pollicis brevis and longus

D. Opponens pollicis rotates the 1st metatarsal on the triquetral

E. Opponens pollicis inserts to the base of the prox phalanx

Correct : B. Thenar eminence supplied by muscular (remnant) branch of the median n

32. Elbow joint capsule attachments include

33. In the cubital fossa

A. The brachial a is medial to median n

B. The radial nerve gives off a branch to the biceps

C. Brachialis provides the medial boundary

D. The radial nerve splits into its 2 terminal branches

E. Pronator teres provides the floor

Correct : D. The radial nerve splits into its 2 terminal branches

35. Regarding the shoulder joint

A. full abduction of the humerus is possible only with medial rotation

B. glenohumeral ligaments provide significant stability to the joint

C. the capsule is attached circumferentially to the surgical neck of the humerus

D. nerve supply comes from the axillary, musculocutaneous and suprascapular nn

E. the subacromial bursa extends laterally when the arm is abducted

Correct : D. nerve supply comes from the axillary, musculocutaneous and suprascapular nn

36. Regarding the brachial plexus

A. The divisions lie in the axilla

B. The solitary branch from the trunk is the dorsal scapular n

C. The axillary n supplies the skin of the axilla

D. The radial nerve is the largest branch of the plexus

E. The cords embrace the first part of the axillary a

Correct : D. The radial nerve is the largest branch of the plexus

37. Regarding the muscles in the hand

A. Palmar abduction of the thumb is produced by APL

B. All lumbricals are supplied by the ulnar n

C. All 4 dorsal interossei arise by 2 heads

D. Lumbrical muscles arise from the superficialis tendons

E. 1st and 2nd interossei are supplied by the median n

Correct : C. All 4 dorsal interossei arise by 2 heads

38. Nerve supply to the wrist is from the following except

39. The deep muscles of the anterior compartment of the forearm

A. Receive supply from the ant IO branch of median n

B. Are supplied by a branch of the radial a

C. Receive fibres from C7,C8 only

D. All have tendons which run through the flexor tunnel

E. Are involved with supination of the forearm

Correct : A. Receive supply from the ant IO branch of median n

40. In the upper limb

A. The cephalic vein pierces the clavipectoral fascia to enter the axillary vein

B. The axillary vein starts at the lower border of teres minor

C. Venous drainage of the hand is predominantly the deep veins of the forearm

D. The basilic vein begins in the roof of the anatomical snuff box

E. The median cubital vein lies deep to the bicipital aponeurosis

Correct : A. The cephalic vein pierces the clavipectoral fascia to enter the axillary vein

41. Biceps

A. Is supplied by the radial n

B. Is a weak abductor of the shoulder

C. Has a short head attaching to the coracoid process

D. The 2 heads merge above the deltoid tuberosity

E. Inserts into the tuberosity of the ulna

Correct : C. Has a short head attaching to the coracoid process

42. Which of the following nerves is in direct contact with the medial epicondyle of the humerus

43. A lesion of the medial cord of the brachial plexus would cause

A. Weakness of adduction of the thumb

B. Weakness of wrist extension

C. Weakness of elbow extension

D. Numbness of the lateral aspect of the forearm

E. Numbness in most of the axilla

Correct : A. Weakness of adduction of the thumb

44. Which of the following is least important in the stability of the shoulder

45. With respect to the cubital fossa

A. The brachial artery is lateral to the biceps tendon

B. The radial nerve is the most medial nerve

C. The median basilic vein lies under the bicipital aponeurosis

D. The medial cutaneous nerve of the forearm is lateral to the median cephalic vein

E. Median nerve lies medial to the brachial artery

Correct : E. Median nerve lies medial to the brachial artery

46. With respect to the carpus

A. The intercarpal joints share one continuous synovial space

B. The intercarpal synovial space is usually continuous with the wrist joint

C. The proximal row = scaphoid, lunate and trapezium

D. The scaphoid is the only carpal which articulates with radius

E. In pronation-supination the carpus move with the ulna

Correct : A. The intercarpal joints share one continuous synovial space

47. The scaphoid

A. Articulates with the base of the 2nd metacarpal

B. Articulates with the hamate

C. Has a poor supply to its distal half

D. Has a palpable tubercle

E. Has a groove for FPL

Correct : D. Has a palpable tubercle

48. At the flexor aspect of the wrist

A. The median nerve lies between palmaris longus and FDP

B. The median nerve lies between FDP and FCR

C. The ulnar nerve lies between palmaris longus and FCR

D. Radial nerve passes under the tendon of brachioradialis

E. Radial artery crosses the insertion of pronator teres

Correct : D. Radial nerve passes under the tendon of brachioradialis

49. The extensor retinaculum of the wrist

A. Is not attached to the radius

B. Is attached to the pisiform and the triquetral

C. Divides the extensor tunnel into 5 compartments

D. The most medial compartment transmits EDM

E. The most lateral compartment transmits EPL

Correct : B. Is attached to the pisiform and the triquetral

50. The ulnar n

A. Runs anteriorly to the brachial artery

B. Passes between the heads of pronator teres

C. Lies on FDS

D. Is a direct continuation of the lateral cord

E. Lies in contact with the sublime tubercle

Correct : E. Lies in contact with the sublime tubercle

52. 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

Correct : D. Communicates with the ulnar 3 lumbrical canals

53. 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

Correct : D. Tendons inserts into the base of the distal phalanx

54. 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

Correct : E. Is intracapsular in the shoulder joint

55. 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

Correct : A. form the posterior part of the capsule of the MCPJ

56. 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

Correct : D. Unaffected sensation on the palmar surface of the little finger

57. 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

Correct : C. The deep branch of the ulna nerve supplies the interossei mm

58. 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

Correct : B. The EPL tendon forms its ulnar border

59. 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

Correct : C. Is attached to the margins of the radial notch

61. 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

Correct : E. The sheath is the origin of the lumbricals

62. 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

Correct : C. Exits the axilla through the quadrangular space

63. 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

Correct : C. Supplies the ulnar part of FDP

64. 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

Correct : D. Has 3 branches from its 3rd part

65. The following structures are relevant to the cubital fossa except

66. 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

Correct : A. Gives a slip of insertion into the scaphoid

67. 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

Correct : B. Has Lister’s tubercle on its posterior aspect

68. 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

Correct : A. The upper trunk of the brachial plexus is prone to injury by forceful depression of the shoulder and results in Erb’s palsy

69. Rotation of the scapula is primarily produced by

70. 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

Correct : C. The ulnar nerve supplies palmaris brevis

71. 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

Correct : E. No active rotation takes place

72. 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

Correct : B. the capsule is not attached to the radius

73. Muscles of the flexor compartment of the forearm include

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

75. 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

Correct : C. FPL tendon

76. All of the following are true of EPL except

A. It inserts at the base of the proximal phalanx of the thumb

B. It forms the ulnar side of the anatomical snuff box

C. Its nerve supply is from the radial nerve

D. Its origin is from the posterior surface of the ulna and adjacent IO membrane

E. Its tendon passes beneath the extensor retinaculum of the wrist

Correct : A. It inserts at the base of the proximal phalanx of the thumb

77. In abduction of the arm

A. The clavicle remains fixed

B. The scapula moves dorsally on the chest wall

C. Scapular movement is at first more rapid than movement of the humerus

D. The medial end of the clavicle moves downward on the intra-articular disc

E. Medial rotation of the humerus occurs

Correct : D. The medial end of the clavicle moves downward on the intra-articular disc

78. Part of the rotator cuff of the shoulder is supplied by

A. A nerve formed from the root of C5,6,7

B. A branch of the upper trunk of the brachial plexus

C. A branch of the lateral cord of the brachial plexus

D. A nerve which passes through the triangular space

E. A branch of the medial cord of the brachial plexus

Correct : B. A branch of the upper trunk of the brachial plexus

79. The stability of the shoulder is related to all of the following except

81. Loss of sensation in the thumb and lateral forearm is consistent with an isolated injury to

82. The skin of the tip of the index finger is supplied by

A. The radial nerve only

B. The median nerve only

C. The ulnar nerve only

D. The radial and median nerves

E. The radial and ulnar nerves

Correct : B. The median nerve only

83. Following a laceration to the anterior surface of the wrist, a patient is unable to flex the PIPJ of his III finger when the other fingers are held in extension. Which tendon is divided

84. Paralysis of which nerve results in the inability to initiate abduction of the arm

A. The axillary nerve

B. The suprascapular nerve

C. The subscapular nerve

D. The dorsal scapular nerve

E. The thoracodorsal nerve

Correct : B. The suprascapular nerve

85. The axilla

A. Communicates with the anterior triangle of the neck

B. Contains lymph nodes draining the upper limb and lateral chest wall

C. Has an anterior wall made up by the serratus anterior muscle

D. Has an apex bounded by the humerus, clavicle and scapula

E. Has no medial wall

Correct : B. Contains lymph nodes draining the upper limb and lateral chest wall

86. The brachial artery

A. Crosses anterior to the median nerve in the arm

B. Gives off the nutrient artery to the humerus

C. Lies deep to the biceps

D. Has the ulnar nerve on its medial side

E. Gives muscular branch to the triceps

Correct : B. Gives off the nutrient artery to the humerus

87. The elbow joint

A. Is supplied exclusively by the radial n

B. Permits flexion – extension and pronation – supination

C. Has a capsule which attaches in part to the radius

D. Communicates with the superior RUJ

E. None of the above

Correct : D. Communicates with the superior RUJ

88. The main stabilising factor of the sternoclavicular joint

A. The AC ligament

B. The costoclavicular ligament

C. The interclavicular ligament

D. The sternoclavicular ligament

E. The coracoclavicular ligament

Correct : B. The costoclavicular ligament

89. With respect to the thenar muscles

A. APB inserts into the base of the distal phalanx of the thumb

B. All arise from the flexor retinaculum

C. FPB is usually supplied by a branch of the ulnar nerve

D. APB has no role in the opposition of the thumb

E. Opponens pollicis is the most superficial muscle of the group

Correct : B. All arise from the flexor retinaculum

90. The musculocutaneous nerve

A. Supplies brachioradialis

B. Terminates as the posterior IO n

C. Supplies all of brachialis

D. Fibres from C5,6,7 and 8

E. Arises from the lateral cord of the brachial plexus

Correct : E. Arises from the lateral cord of the brachial plexus

91. In the antecubital fossa

A. The ulnar nerve is on medial side

B. The median nerve is lateral to the brachial artery

C. The radial nerve is on the lateral side

D. All superficial veins are deep to the cutaneous nerve

E. The brachial artery is lateral to the biceps tendon

Correct : C. The radial nerve is on the lateral side

92. With respect to the flexor retinaculum

A. It attaches to the scaphoid, hamate, pisiform and trapezium

B. The tendon of palmaris longus passes deep to it

C. The median nerve passes superficial to it

D. The ulnar artery passes deep to it

E. It is pierced by the tendon of FCU

Correct : A. It attaches to the scaphoid, hamate, pisiform and trapezium

93. The clavicle

A. Is convex anteriorly throughout its entire length

B. Articulates laterally with the coracoid via the coracoclavicular ligament

C. Is crossed in its middle 1/3 by the subclavian vein

D. Forms part of the apex of the axilla

E. Has as its only inferior musculature attachment the muscle pectoralis major

Correct : D. Forms part of the apex of the axilla

94. On the palmar aspect of the wrist

A. The median nerve lies between FCR and palmaris longus

B. The ulnar nerve passes deep to the medial aspect of the flexor retinaculum

C. The flexor tendons lie together in a complete synovial sheath

D. The radial artery may be palpated over the flexor retinaculum

E. FCR may be distinguished by the presence of musculature fibres

Correct : A. The median nerve lies between FCR and palmaris longus

95. In carpal tunnel syndrome which is unaffected by compression of the median n

A. The medial branch of the median nerve

B. Opponens pollicis

C. The lateral branch of the median nerve

D. Palmar branch of the median nerve

E. APB

Correct : D. Palmar branch of the median nerve

96. Regarding the median nerve , all are true except

A. It is formed by the union of 2 roots from the medial and lateral cords

B. In the arm it passes anterior to the brachial artery

C. It passes deep to the flexor retinaculum

D. It does not supply the part of FDP to III finger

E. Typically chronic compression results in wasting of the thenar eminence

Correct : D. It does not supply the part of FDP to III finger

97. Regarding the extensor retinaculum of the wrist

A. It includes attachment to the ulna

B. It overlies 6 fibrous compartments

C. Tension of he retinaculum is reduced with pronation

D. It has the palmaris longus fused with it

E. Is pierced by ECRL

Correct : B. It overlies 6 fibrous compartments

98. Which of the following is a branch of the posterior cord of the brachial plexus

99. In the hand the deep palmar arch

A. Is normally incomplete

B. Is formed by the superficial branch of the ulnar artery

C. Crosses the palm 1cm distal to the superficial arch

D. Gives off 3 metacarpal arteries

E. Does not anastomose with the anterior carpal arch

Correct : D. Gives off 3 metacarpal arteries

100. Regarding the interossei of the hand

A. They insert into the middle phalanges

B. The palmar interossei have 2 heads of origin

C. They are solely innervated by T1

D. There are 3 dorsal muscles

E. The palmar abduct

Correct : C. They are solely innervated by T1