anatomy- upper limb mixed Flashcards
1) With regard to the pectoral girdle:
a) contains three joints, the sternoclavicular, the acromioclavicular and the glenohumeral
b) serratus anterior, the rhomboids and subclavius attach the scapula to the axial skeleton
c) pectoralis major and deltoid are the only muscular attachments between the clavicle and the upper limb
d) teres major provides attachment between the axial skeleton and the girdle
c
) Choose the odd muscle out as regards insertion/origin:
a) supraspinatus
b) subscapularis
c) biceps
d) teres minor
e) deltoid
e
3) Which muscle does not insert in or next to the intertubecular groove of the upper humerus?
a) pectoralis major
b) pectoralis minor
c) latissimus dorsi
d) teres major
b
4) Identify the incorrect pairing for testing muscles:
a) latissimus dorsi – abduct to 60° and adduct against resistance
b) trapezius – shrug shoulders against resistance
c) rhomboids – place hands on hips and draw elbows back and scapulae together
d) serratus anterior – push with arms outstretched against a wall
a
5) Identify the incorrect innervation:
a) subclavius – own nerve from the brachial plexus
b) serratus anterior – long thoracic nerve
c) clavicular head of pectoralis major – medial pectoral nerve
d) latissimus dorsi – dorsal scapular nerve
e) trapezius – accessory nerve
d
6) Which muscle does not extend from the posterior surface of the scapula to the greater tubercle of the humerus?
a) teres major
b) infraspinatus
c) supraspinatus
d) teres minor
a
With regard to action, which muscle is the odd one out?
a) teres minor
b) deltoid
c) teres major
d) subscapularis
a
8) Which statement is INCORRECT?
a) the muscles of the rotator cuff are deemed to be such because all their tendons fuse with the lateral
part of the shoulder capsule and are attached to the humerus near the joint
b) the capsule of the shoulder joint is attached at the line of the anatomical head except inferiorly where it
extends to the level of the surgical neck
c) the subacromial bursa lies between the tendon of supraspinatus and the coraco-acromial ligament and
communicates with the shoulder joint
d) the long tendon of biceps lies intracapsular and is sheathed by synovial membrane that allows it to slide
with movement
c
9) Stabilising factors of the shoulder joint include all but:
a) a tight capsule
b) tendons that fuse with the capsule
c) glenohumeral and coracohumeral ligaments
d) labrum
e) splinting of the humeral head between the tendons of biceps and triceps
a
10) Regarding the brachial plexus, which is INCORRECT?
a) it is derived from the anterior rami of C5-T1 after they have given off segmental supply to the
prevertebral and scalene muscles
b) the roots give off three branches including the long thoracic nerve to latissimus dorsi
c) the trunks give off one branch
d) the cords are divided into anterior and posterior divisions that supply the flexor and extensor
compartments respectively and give off 13 branches
e) the lateral cord supplies part of the median nerve
b
11) Regarding lymph nodes, the lateral side of the arm and forearm is drained initially to the:
a) supratrochlear nodes
b) posterior axillary nodes
c) infraclavicular nodes
d) central axillary nodes
c
12) Which of the following has some nerve supply from the radial nerve?
a) long head of biceps
b) coracobrachialis
c) short head of biceps
d) brachialis
d
13) As it emerges from the axilla, the median nerve lies where with regards to the brachial artery? a) lateral
b) anterior c) medial d) posterior
a
14) With regards to the posterior compartment of the arm, which is FALSE?
a) the medial head of triceps lies deep to the long and lateral heads
b) triceps inserts onto the upper surface of the olecranon
c) midshaft fracture of the humerus can damage the radial nerve resulting in paralysis of triceps
d) the medial intermuscular septum divides it from the anterior compartment and runs from the axilla to
the elbow
c
15) Blood supply to the upper limb, which is FALSE?
a) the subclavian artery is divided schematically by scalenus anterior
b) usually all branches of the subclavian come from the first segment
c) the dorsal scapular branch may arise from the third segment
d) the acromial branch of the thoracoacromial trunk accompanies the cephalic vein in the deltopectoral
triangle
b
6) Regarding the brachial plexus, which is FALSE?
a) the nerve to serratus anterior comes from the anterior rami of C5-C7
b) the suprascapular nerve arises from C5 anterior ramus
c) the divisions are at the level of the clavicle
d) the thoracodorsal nerve arises from the posterior cord
e) none of the above
e
17) Regarding the brachial plexus:
a) the lateral cord contains fibres from C5, 6, 7 & 8
b) the posterior cord has fibres from C5, 6, 7, 8 & T1
c) the medial cord has fibres from C8 and T1
d) the suprascapular nerve arises from C5
e) the ulnar nerve is a continuation of the medial cord
a
19) Regarding the brachial plexus:
a) the roots lie behind scalenus medius muscle
b) the trunks are formed behind the clavicle
c) at the first rib, the cords are formed
d) the cords give branches around second part of artery
?
20) In
a) median nerve lies lateral to the biceps tendon
b) radial nerve and interosseous branch lies beneath the brachialis
c) radial artery passes between heads of pronator teres
d) brachial artery lies beneath biceps aponeurosis
e) radial nerve leaves fossa between heads of supinator
?
21) The clavicle:
a) ossifies at eight weeks
b) has atypical synovial joints at both ends
c) articulates with the first rib
d) is more curved in females
e) usually fractures between deltoid tubercle and coranoid tubercle
?
2) Regarding innervation of hand muscles:
a) opponens pollicis may be supplied by ulnar nerve
b) opponens digiti minimi may be supplied by median nerve
c) two radial interossei are usually supplied by median nerve
d) nail beds are supplied 31⁄2 to 11⁄2 by branches of radial and ulnar nerves
e) adductor pollicis is supplied by muscular (recurrent) branch of median nerve
?
23) At the wrist / carpal tunnel:
a) flexor retinaculum attaches to scaphoid and trapezoid laterally
b) all superficial and deep flexors, except flexor pollicis longus, share a common flexor sheath
c) the ulnar nerve lies medial to pisiform
d) tendons of flexor digitorum remain attached until they reach the palm
e) median nerve lies beneath flexor retinaculum between flexor digitorum superficialis and flexor pollicis
longus
?
24) Axillary artery:
a) first part is separated from the cords by axillary sheath
b) lies posterior lateral to vein – all three parts
c) medial root of median nerve crosses behind ????? to join lateral root.
d) leaves axillar through quadrangular space
e) supplies the breast via thoracoacromial branch
?
25) All the following arise from the common extensor origin EXCEPT:
a) extensor carpi radialis brevis
b) extensor carpi radialis longus
c) extensor digitorum
d) extensor digitorum minimi
e) extensor carpi ulnaris
?
26) Regarding triceps:
a) lateral head arises from humerus below radial groove
b) midshaft humerus fractures may paralyse triceps
c) has an insertion into the elbow joint capsule
d) aids in adduction of shoulder
e) is pierced by ulnar nerve
?
27) Which of the following pairs do not match with regard to mode of ossification?
a) ribs and cranium
b) clavicle and humerus
c) femur and 1st metatarsal
d) patella and pisiform
e) mandible and clavicle
b
28) Which joint is the odd one out with regard to degrees of freedom?
a) 1st carpometacarpal joint
b) radiohumeral joint
c) sternoclavicular joint
d) acromioclavicular joint
e) radiocarpal joint
a
29) Which of the statements regarding ligaments is FALSE?
a) ligaments are relatively avascular
b) final healing following sprains usually restores full strength
c) torn ligaments may predispose to dislocation
d) Sharpeg’s fibres penetrate the bone
e) a healed sprain may be predisposed to reinjury
b
30) Regarding cartilage, which is FALSE?
a) it is essentially avascular
b) hyaline cartilage contains hyaluronic acid
c) rib cartilage is elastic type
d) TMJ is fibrous
e) all contain mucopolysaccharides
c
1) Regarding types of joints, which pairing is CORRECT?
a) diarthrosis – cranial suture
b) synarthrosis – symphysis pubis
c) amphiarthrosis – sternoclavicular joint
d) cromphosis – intervertebral joints
e) syndesmoses – tibiofibular joint
e
32) Types of muscles, which pairing is INCORRECT?
a) unipennate – flexor pollicis longus
b) bipennate – 4th lumbrical
c) fusiform – supraspinatus
d) bipennate – soleus
e) multi-pennate – anterior deltoid
e
33) Regarding muscle strength, which is NOT a factor?
a) resting length of muscle
b) cross sectional area
c) lever arm length
d) the extent to which the muscle is contracted
e) configuration of fibres, eg fusiform, c.f. bipennate
a
34) Regarding the autonomic nervous system, visceral pain is not referred to L3-5 and S1 because:
a) there are no visceral afferents related to these lumbar splanchnic nerves
b) there are no white rami communicans to these spinal nerves
c) there are no sympathetic ganglia associated with theses spinal segments
d) there is no sympathetic efferent supply to these spinal nerves
e) there are no grey rami communicans associated with the autonomic ganglia of L3-S1 spinal nerves
b
1) At the elbow joint:
a) the tilt of the trochlear of the humerus is the main cause for the carrying angle of the elbow
b) the capsule is not attached to the radius
c) the annular ligament is attached to the head and neck of the radius
d) the middle band is the strongest of the three bands that make up the ulnar collateral ligament
e) the carrying angle is the angle between the extended ulna and the vertical
b
2) Regarding palmar spaces:
a) the hypothenar space contains the long tendon of abductor digiti minimi
b) the midpalmar space is deep to the common synovial sheath and flexor tendons
c) the midpalmar space is not continuous with the three ulnar lumbrical canals
d) the thenar space is open at the wrist
e) prevent spread of infection
b
3) Which is NOT an origin of supinator
a) radial tuberosity
b) radial collateral ligament
c) lateral epicondyle of humerus
d) supinator crest of ulnar
e) aponeurosis overlying supinator muscle
a
4) Regarding the nerves and vessels of the arm:
a) the circumflex vessels and the axillary nerve enter the extensor compartment in the axilla through the
triangular space
b) the ulnar nerve pierces the lateral intermuscular septum in the lower third of the arm
c) the median nerve crosses obliquely in front of the radial artery in the arm
d) supratrochlear lymph nodes lie in the subcutaneous ????? just above the medial epicondyle
e) the basilic vein is lateral to the cephalic vein
d
5) Brachial plexus:
a) the five roots lie in front of scalenus anterior muscle
b) the anterior division of the central trunk runs on as the medial cord
c) the suprascapular nerve is the only branch from the trunks
d) the radial nerve is a branch of the lateral cord
e) the ulna nerve is a branch of the posterior cord
c
6) The musculocutaneous nerve passes through which muscle?
a) coracobrachialis
b) short head of biceps
c) brachialis
d) medial head of triceps
e) long head of biceps
a
7) What structure does NOT lie in the anatomical snuff box?
a) cephalic vein
b) radial artery
c) radial styloid
d) first metacarpal bone
e) extensor pollicis longus
e
8) Latissimus dorsi:
a) is an accessory muscle of inspiration and expiration
b) is supplied by the dorsal scapular nerve
c) forms the lower border of the medially axillary fold
d) laterally rotates the humerus
e) lies superficial to trapezius at its upper border
a
9) Regarding the shoulder joint, which is INCORRECT?
a) full abduction requires medial rotation
b) the long head of biceps is intracapsular
c) the subacromial bursa is attached to the coracoacromial ligaments
d) flexion involves pec major, deltoid, coracobrachialis and biceps
e) supraspinatus initiates abduction
a
10) In the forearm:
a) the median nerve passes between the two heads of pronator teres
b) the ulnar nerve lies deep to flexor digitorum profundus
c) superficial fibres of flexor digitorum superficialis gives rise to the tendons for index and middle fingers
d) the radial artery is on the lateral side of the radial nerve
e) the fibres of the interosseous membrane run obliquely down from ulna to radius
a
11) What structure does NOT pierce the clavipectoral fascia?
a) cephalic vein
b) lymphatics
c) lateral thoracic artery
d) lateral pectoral nerve
e) thoracoacromial artery
c
12) Regarding the thumb:
a) abductor pollicis longus originates from both radius and ulna
b) opponens pollicis rotates the first metacarpal on the triquetral
c) adductor pollicis inserts on to the radial sesamoid of the thumb, then the base of the proximal phalanx
d) nerve supply is by the median nerve (C7, C8)
e) adductor pollicis lies superficial to the thenar space
a
13) Which artery is the main supply of triceps?
a) dorsal scapular artery
b) brachial artery
c) profunda brachii artery
d) radial artery
e) posterior circumflex humeral artery
c
14) Teres major:
a) receives its nerve supply from the lateral cord of the brachial plexus
b) is part of the medial wall of the axilla
c) forms the medial border of the triangular space
d) is separated from teres minor by the long head of triceps
e) has the same nerve supply as teres minor
d
15) Regarding the brachial plexus:
a) the dorsal scapular nerve is the only branch from the trunks
b) the axillary nerve is derived from C5, 6, 7, 8, T1
c) the ulnar nerve is the largest branch of the whole plexus
d) the axillary nerve passes below teres major
e) the thoracodorsal nerve supplies lateral dorsi
e
16) Flexor pollicis longus:
a) is a bipennate muscle
b) arises from the common flexor origin
c) pierces the flexor retinaculum at the wrist
d) inserts into the radial border of the proximal phalanx
e) has fleshy fibres to a point, just above the wrist
e
17) Which nerve supplies serratus anterior?
a) axillary nerve (C5, C6)
b) long thoracic nerve (C5, C6, C7)
c) musculocutaneous nerve (C5, C6)
d) thoracodorsal nerve (C6, C7, C8)
e) suprascapular nerve (C5, C6)
b
18) At the elbow joint:
a) there is no communication with the proximal radioulnar joint
b) the capsule is attached to the neck of the radius
c) the radial collateral ligament is made up of three bands
d) the ulnar nerve passes between the anterior and posterior bands of the ulnar collateral ligament
e) the carrying angle is greater in men
d
19) Which structure does NOT insert into the flexor retinaculum?
a) abductor pollicis brevis
b) flexor digiti minimi brevis
c) palmaris longus
d) opponens pollicis
e) flexor pollicis brevis
c
20) Which nerve does NOT make contact with periosteum?
a) radial nerve
b) axillary nerve
c) median nerve
d) ulnar nerve
e) anterior interosseous nerve
c
21) Regarding the clavicle, which is false?
a) the clavicle is longer and its curvatures more pronounced in the male
b) the articulating sternal end is covered by fibrocartilage
c) it is the first bone to ossify in the foetus
d) it has four named ligaments attached to it
e) fractures of the clavicle tend to occur between the costoclavicular and the coracoclavicular ligaments
d
22) Which is true of muscles of the pectoral girdle?
a) “direct” muscles are inserted into the clavicle or scapula from the axial skeleton, eg pectoralis major
b) “indirect” attachment to the axial skeleton is represented by serratus anterior
c) the sternocostal fibres of pectoralis major from the 6th costal cartilage are inserted higher on the lateral
lip of the intertubecular soleus than the fibres from the first cartilage
d) biceps muscle gives no stability to the shoulder joint
e) trapezius is the only muscle to be supplied by all five segments of the brachial plexus
c
23) The clavipectoral fascia is pierced by all but one of the following structures:
a) lymphatic drainage from the infraclavicular nodes to apical axillary nodes
b) cephalic vein
c) lateral pectoral nerve
d) thoracoacromial artery
e) pectoralis minor
e
24) With respect to the axilla:
a) the thoracodorsal nerve runs posterior to the mid axillary line on serratus anterior, which it supplies
b) the axillary artery is divided into three parts by scalenus anterior
c) the lateral wall is made up of latissimus dorsi tendon, subscapularis, teres major
d) the lateral thoracic vein is connected by the thoracoepigastric vein to the superficial epigastric vein,
therefore bypassing the IVC in its obstruction
e) the axillary vein commences at the upper border of teres major as a continuation of the basilic vein
d
25) With respect to the brachial plexus:
a) it consists of the entire anterior rami of C5 → T1
b) there are five roots, three trunks, five divisions and three cords
c) there are two branches from the divisions
d) there are a total of 13 branches from the cords
e) there are two branches from the roots
d
26) With respect to the brachial plexus:
a) the lateral cord lies in the axilla
b) the median nerve is the largest branch of the whole plexus
c) the roots lie within the posterior triangle of the neck
d) the ulnar nerve is a branch of the lateral cord
e) the musculocutaneous nerve is a branch of the medial cord
a
27) The blood supply to the breast involves all but one of the following:
a) lateral thoracic artery
b) long thoracic artery
c) internal thoracic artery
d) posterior intercostal artery
e) thoracoacromial artery
b
28) Which muscle takes origin (in part) from both the medial and lateral intermuscular septa?
a) biceps
b) brachioradialis
c) extensor carpi radialis longus
d) supinator
e) triceps
e
29) The carpus:
a) there are five extensor tunnel compartments
b) the extensor expansion attaches to the anterolateral border of the radius above the styloid process, and
distally to the pisiform and trapezoid bones
c) the radiocarpal joint is an uniaxial synovial joint
d) there are no muscular attachments to the extensor surface of the carpus
e) the bones palpable in the anatomical snuff box are the radial styloid, triquetral, scaphoid and base of
first metacarpal
d
30) Which is true?
a) the flexor synovial sheath is only continuous from wrist to distal phalanx in the thumb
b) the medial cutaneous nerve is the smallest nerve branch of the brachial plexus
c) the capitate bone within the carpus is the last of these to ossify
d) the pisiform bone is the first bone of the carpus to ossify
e) superficial lymphatics lie with arteries, deep lymphatics with veins
b
9) Pectoralis major:
a) is innervated laterally by the lateral pectoral nerve
b) inserts into the medial lip of the intertubercular sulcus
c) receives its arterial supply via the thoracoacromial artery
d) can act as an accessory muscle of inspiration
e) acts with latissimus dorsi and teres minor to adduct the arm
d
10) Regarding the brachial plexus:
a) the suprascapular nerve arises from the anterior C5, 6 division
b) ulnar nerve often carries fibres from C7
c) the radial nerve leaves the axilla via the quadrangular space
d) the radial artery lies anterior to the medial and lateral roots of the median nerve
e) the long thoracic nerve arises from the C5 nerve root only
b
11) The subacromial bursa:
a) communicates with the shoulder joint
b) does not extend beyond the lateral aspect of the acromion
c) innervated in part by the dorsal scapular nerve
d) attached superiorly to the conoid trapezoid and conoid ligaments
e) attached inferiorly to the tendon of supraspinatus
e
12) The subclavius muscle:
a) arises from the costochondral junction of the second rib
b) passes in the subclavian groove on the inferior aspect of the clavicle to attach to the acromion
c) is enclosed by the upper attachment of the clavipectoral fascia
d) is supplied by C7 and C8
e) assists shoulder adduction
?
3) Pectoralis minor:
a) inserts into the lateral tip of the intertubecular groove of the humerus
b) is a rectangular muscle
c) is a guide for the underlying subclavian artery
d) is superior to the suspensory ligament of the axilla
e) is supplied by the subclavian nerve
?
14) Teres major:
a) is separated from subscapularis by the quadrangular space in the posterior wall of the axilla
b) is supplied by the lateral subscapular nerve
c) inserts into the lateral lip of the intertubecular groove of the humerus
d) acting alone, it abducts and medially rotates the humerus at the shoulder joint
e) arises from the lateral side of the inferior angle of the ventral aspect of the scapula
?
15) The shoulder joint:
a) subscapularis, supraspinatus, infraspinatus and teres minor all have rotatory action on the humerus and
their tendons form the rotator cuff with the lateral part of the shoulder capsule
b) the subacromial bursa rolls inwards under the acromion when the arm is adducted
c) the joint capsule is attached to the surgical neck of the humerus inferiorly
d) the articular surface of the head of the humerus is five times the area of the glenoid cavity
e) upward thrust on the humerus will preferentially fracture the coracoacromial arch
??
16) Regarding the nerves and vessels of the arm:
a) the circumflex vessels and the axillary nerve enter the extensor compartment in the axilla through the
triangular space
b) the ulnar nerve pierces the lateral intermuscular septum in the lower third of the arm
c) the median nerve crosses obliquely in front of the radial artery in the arm
d) supratrochlear lymph nodes lie in the subcutaneous fat just above the medial epicondyle
e) the basilic vein is lateral to the cephalic vein
??
17) Regarding triceps:
a) the long head is lateral to the medial head
b) it inserts into the posterior aspect of the radial tuberosity
c) attachment to the olecranon is by a tendon only
d) the long head receives two branches of the radial nerve
e) the medial head has origins in both lateral and medial intermuscular septums
?
18) Regarding the brachial plexus:
a) the medial cord has three branches
b) the lateral cord has fibres from C7, C8 and T1
c) the musculocutaneous nerve is a branch of the medial cord
d) the five roots are found from the posterior rami and C5 – T1 nerves
e) none of the above
e
19) At the carpal tunnel:
a) the flexor tendon synovial sheath is incomplete on the ulnar side
b) the superficial tendons lie in the same plane
c) the four profundus tendons have not yet separated
d) the median nerve lies lateral to flexor digitorum superficialis
e) median nerve compression causes anaesthesia over the thenar eminence
d
20) What structure pierces the flexor retinaculum?
a) ulnar nerve
b) flexor carpi radialis tendon
c) palmar branch of median nerve
d) flexor pollicis longus tendon
e) ulnar artery
b
21) The lumbrical muscles:
a) arise from the four superficial tendons
b) are all bicipital muscles
c) pass along the ulnar side of the metacarpophalangeal joint
d) flex the metacarpophalangeal joint
e) attach directly to the first phalanx
d
22) The following are true about flexor carpi radialis EXCEPT:
a) it arises from the common flexor origin at the humerus
b) it has its own compartment in the flexor retinaculum
c) the radial artery lies laterally to it at the wrist
d) flexor pollicis longus lies medially
e) it is supplied by the median nerve
f) it inserts into the base of the 2nd and 3rd metacarpals
d
23) Which is the smallest branch of the medial cord of the brachial plexus?
a) medial pectoral nerve
b) medial root of the median nerve
c) medial cutaneous nerve of the arm
d) medial cutaneous nerve of the forearm
e) ulnar nerve
c
24) The nerve supply of serratus anterior is:
a) axillary nerve
b) C4
c) dorsal scapular nerve
d) thoracodorsal nerve
e) long thoracic nerve
e
25) Which muscle arises from both the radius and ulna:
a) extensor pollicis longus
b) extensor pollicis brevis
c) abductor pollicis longus
d) extensor indicis
e) extensor digitorum
c
26) Which lymphatics do not drain the breast?
a) subscapular nodes
b) infraclavicular nodes
c) lateral axillary nodes
d) parasternal nodes
e) pectoral nodes
c
27) At the cubital fossa:
a) the median nerve is medial to the brachial artery
b) the biceps tendon separates the brachial artery from the median nerve
c) the radial artery leaves the brachial artery at right angles
d) the medial cutaneous nerve of the forearm runs deep to the bicipital aponeurosis
e) pronator teres forms the floor of the fossa
a
13) The metacarpophalangeal joints are:
a) planar
b) ellipsoid
c) hinge
d) saddle
e) ball in socket
d
14) Regarding the intrinsic muscles of the hand, which of the following is NOT true?
a) the palmar and dorsal interossei are supplied by the deep branch of the median nerve
b) the intrinsic muscles of the thumb are abductor pollicis brevis, flexor pollicis brevis, opponens pollicis ,
adductor pollicis, first palmar and first dorsal interossei
c) opponens pollicis acts only on the carpometacarpal joint
d) their motor supply is derived from segment T1 of the spinal cord
e) the thenar muscles are supplied by the recurrent branch of the median nerve
a
15) Regarding the synovial flexor sheaths, which of the following is NOT true?
a) three synovial sheaths are found on the front of the wrist
b) a common synovial sheath envelops all the superficialis and profundus tendons
c) the sheath around flexor pollicis longus tendon extends almost to its insertion
d) the flexor carpi ulnaris tendon has a short sheath
e) the ring, middle and index fingers have digital sheaths that do not extend to the common sheath
d
16) The recurrent branch of the median nerve supplies:
a) opponens digiti minimi
b) first dorsal interosseous
c) adductor pollicis
d) first lumbrical
e) abductor pollicis brevis
c
17) The corocobrachialis muscle:
a) is functionally important
b) origin = apex of acromion
c) insertion = lateral border of humerus
d) nerve supply = C4, C5
e) is pierced by the musculocutaneous nerve
e
18) Which structure lies in the deltopectoral groove?
a) median pectoral nerve
b) lateral pectoral nerve
c) cephalic vein
d) basilic vein
e) axillary vein
c
19) Which lymph nodes drain the ulnar side of the forearm?
a) infratrochlear
b) supratrochlear
c) infraclavicular
d) anterior axillary
e) ulnar trochlear
b
20) Which does NOT enter posterior compartment of the arm?
a) radial nerve
b) profunda brachii artery
c) ulnar nerve
d) posterior cutaneous nerve of forearm
e) superior ulnar collateral artery
e
21) The annular ligament of the elbow:
a) has minimal usefulness
b) is attached to margins of the radial notch of the ulna
c) is attached to the head and neck of the radius
d) has common attachment with ulnar collateral ligament
e) is attached to the lateral epicondy????????
b
22) Extensor pollicis brevis:
a) origin – radius and interosseous membrane
b) lies on ulnar side of snuffbox
c) inserts into the base of the first distal phalanx
d) nerve supply = ulnar nerve
e) joins extensor digitorum tendon at metacarpophalangeal joint
a
23) Extensor pollicis longus – which is INCORRECT?
a) origin = ulnar just distal to adductor pollicis longus
b) insertion = base of first distal phalanx
c) tendon hooks around Lister’s tubercle (radius)
d) forms radial boundary of snuffbox
e) nerve supply – posterior interosseous nerve (C7, 8)
d
24) Extensor indicis:
a) origin = radius
b) shares a common synovial sheath with E.D. (?extensor digitorum)
c) tendon lies on radial side of E.D. tendon index finger
d) separate insertion from dorsal expansion E.D.
e) nerve supply = median nerve
b
25) The extensor retinaculum attaches between:
a) radius and ulna
b) scaphoid and ulna
c) radius and triquetral and pisiform
d) radius and lunate
e) trapezium and ulnar
c
26) All the following statements concerning the scaphoid bone are true EXCEPT:
a) it articulates with radius proximally in abduction
b) it is the most susceptible of the carpal bones to fracture
c) it participates in the midcarpal joint
d) it receives an attachment for the transverse carpal ligament
e) fracture of the scaphoid is a common cause for median nerve compression in carpal tunnel syndrome
e
