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200+ Upper Limb Solved MCQs

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Chapter: Upper Limb
1.

Choose the odd muscle out as regards insertion/origin:

A. supraspinatus
B. subscapularis
C. biceps
D. teres minor
E. deltoid
Answer» E. deltoid
discuss (3)
2.

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
E. deltoid
Answer» B. pectoralis minor
discuss
3.

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
E. deltoid
Answer» A. latissimus dorsi – abduct to 60° and adduct against resistance
discuss
4.

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
Answer» D. latissimus dorsi – dorsal scapular nerve
discuss
5.

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
E. trapezius – accessory nerve
Answer» A. teres major
discuss
6.

With regard to action, which muscle is the odd one out?

A. teres minor
B. deltoid
C. teres major
D. subscapularis
E. trapezius – accessory nerve
Answer» A. teres minor
discuss
7.

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
E. trapezius – accessory nerve
Answer» C. the subacromial bursa lies between the tendon of supraspinatus and the coraco-acromial ligament and communicates with the shoulder joint
discuss
8.

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
Answer» A. a tight capsule
discuss
9.

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
Answer» B. the roots give off three branches including the long thoracic nerve to latissimus dorsi
discuss
10.

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
E. the lateral cord supplies part of the median nerve
Answer» C. infraclavicular nodes
discuss
11.

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
E. the lateral cord supplies part of the median nerve
Answer» D. brachialis
discuss
12.

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
E. the lateral cord supplies part of the median nerve
Answer» A. lateral
discuss
13.

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
E. the lateral cord supplies part of the median nerve
Answer» C. midshaft fracture of the humerus can damage the radial nerve resulting in paralysis of triceps
discuss
14.

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
Answer» A. the lateral cord contains fibres from C5, 6, 7 & 8
discuss
15.

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
Answer» B. clavicle and humerus
discuss
16.

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
Answer» A. 1st carpometacarpal joint
discuss
17.

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
Answer» B. final healing following sprains usually restores full strength
discuss
18.

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
Answer» C. rib cartilage is elastic type
discuss
19.

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
Answer» E. syndesmoses – tibiofibular joint
discuss
20.

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
Answer» E. multi-pennate – anterior deltoid
discuss
21.

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
Answer» A. resting length of muscle
discuss
22.

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
Answer» B. there are no white rami communicans to these spinal nerves
discuss
23.

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
Answer» B. the capsule is not attached to the radius
discuss
24.

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
Answer» B. the midpalmar space is deep to the common synovial sheath and flexor tendons
discuss
25.

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
Answer» A. radial tuberosity
discuss
26.

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
Answer» D. supratrochlear lymph nodes lie in the subcutaneous ????? just above the medial epicondyle
discuss
27.

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
Answer» C. the suprascapular nerve is the only branch from the trunks
discuss
28.

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
Answer» A. coracobrachialis
discuss
29.

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
Answer» E. extensor pollicis longus
discuss
30.

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
Answer» A. is an accessory muscle of inspiration and expiration
discuss
31.

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
Answer» A. full abduction requires medial rotation
discuss
32.

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
Answer» A. the median nerve passes between the two heads of pronator teres
discuss
33.

What structure does NOT pierce the clavipectoral fascia?

A. cephalic vein
B. lymphatics
C. lateral thoracic artery
D. lateral pectoral nerve
E. thoracoacromial artery
Answer» C. lateral thoracic artery
discuss
34.

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
Answer» A. abductor pollicis longus originates from both radius and ulna
discuss
35.

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
Answer» C. profunda brachii artery
discuss
36.

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
Answer» D. is separated from teres minor by the long head of triceps
discuss
37.

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
Answer» E. the thoracodorsal nerve supplies lateral dorsi
discuss
38.

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
Answer» E. has fleshy fibres to a point, just above the wrist
discuss
39.

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)
Answer» B. long thoracic nerve (C5, C6, C7)
discuss
40.

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
Answer» D. the ulnar nerve passes between the anterior and posterior bands of the ulnar collateral ligament
discuss
41.

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
Answer» C. palmaris longus
discuss
42.

Which nerve does NOT make contact with periosteum?

A. radial nerve
B. axillary nerve
C. median nerve
D. ulnar nerve
E. anterior interosseous nerve
Answer» C. median nerve
discuss
43.

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
Answer» D. it has four named ligaments attached to it
discuss
44.

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
Answer» 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
discuss
45.

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
Answer» E. pectoralis minor
discuss
46.

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
Answer» D. the lateral thoracic vein is connected by the thoracoepigastric vein to the superficial epigastric vein, therefore bypassing the IVC in its obstruction
discuss
47.

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
Answer» D. there are a total of 13 branches from the cords
discuss
48.

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
Answer» A. the lateral cord lies in the axilla
discuss
49.

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
Answer» B. long thoracic artery
discuss
50.

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
Answer» E. triceps
discuss
51.

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
Answer» D. there are no muscular attachments to the extensor surface of the carpus
discuss
52.

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
Answer» B. the medial cutaneous nerve is the smallest nerve branch of the brachial plexus
discuss
53.

Regarding sweat glands, which is true?

A. the main nerve supply is via cholinergic sympathetic fibres
B. the main nerve supply is via adrenergic sympathetic nerves
C. the sweat glands derive from the mesoderm
D. the normal tubular sweat glands undergo cyclical changes with the menstrual cycle
E. the highest number of sweat glands are found on the soles and palms
Answer» A. the main nerve supply is via cholinergic sympathetic fibres
discuss
54.

Regarding cartilage, which is true?

A. they have a rich blood supply
B. the intervertebral discs are hyaline cartilages
C. the hyaline and fibrocartilages never calcify
D. the elastic cartilage never calcifies
E. the commonest cartilage type is elastic cartilage
Answer» D. the elastic cartilage never calcifies
discuss
55.

Regarding muscles, which is true?

A. the cardiac muscle is more powerful than the other two muscle types
B. the skeletal muscle fibre is spindle shaped
C. the smooth muscles do not have actin and myosin
D. the skeletal muscle contraction causes peristalsis in the GI tract and ureter
E. the cardiac muscle is short, branched, mononuclear and a striated muscle
Answer» E. the cardiac muscle is short, branched, mononuclear and a striated muscle
discuss
56.

Regarding periosteum, which is TRUE?

A. it is an avascular fibrous tissue
B. it is osteogenic
C. it covers the articular surfaces of long bones
D. it covers the inner surface of the medullary cavity
E. it receives its blood supply from overlying muscle
Answer» B. it is osteogenic
discuss
57.

An example of secondary cartilaginous joint include:

A. hip joint
B. manubrio-sternal joint
C. costochondral joint
D. epiphysis joint
E. wrist joint
Answer» B. manubrio-sternal joint
discuss
58.

An example of a fibrous joint include:

A. structures of the vault of the skull
B. the vertebral columns
C. pubic symphysis
D. hip joint
E. manubrio-sternal joint
Answer» A. structures of the vault of the skull
discuss
59.

Which of the following peripheral fibres have pain and temperature fibres?

A. α neurone
B. β neurone
C. γ neurone
D. δ neurone
E. group B fibres
Answer» D. δ neurone
discuss
60.

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
Answer» D. can act as an accessory muscle of inspiration
discuss
61.

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
Answer» B. ulnar nerve often carries fibres from C7
discuss
62.

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
Answer» E. attached inferiorly to the tendon of supraspinatus
discuss
63.

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
Answer» E. none of the above
discuss
64.

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
Answer» D. the median nerve lies lateral to flexor digitorum superficialis
discuss
65.

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
Answer» B. flexor carpi radialis tendon
discuss
66.

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
Answer» D. flex the metacarpophalangeal joint
discuss
67.

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
Answer» D. flexor pollicis longus lies medially
discuss
68.

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
Answer» C. medial cutaneous nerve of the arm
discuss
69.

The nerve supply of serratus anterior is:

A. axillary nerve
B. C4
C. dorsal scapular nerve
D. thoracodorsal nerve
E. long thoracic nerve
Answer» E. long thoracic nerve
discuss
70.

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
Answer» C. abductor pollicis longus
discuss
71.

Which lymphatics do not drain the breast?

A. subscapular nodes
B. infraclavicular nodes
C. lateral axillary nodes
D. parasternal nodes
E. pectoral nodes
Answer» C. lateral axillary nodes
discuss
72.

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
Answer» A. the median nerve is medial to the brachial artery
discuss
73.

The radial nerve gives rise to all the following except the:

A. posterior cutaneous nerve of the arm
B. lower lateral cutaneous nerve of the arm
C. posterior cutaneous nerve of the forearm
D. posterior interosseous nerve
E. medial cutaneous nerve of the arm
Answer» E. medial cutaneous nerve of the arm
discuss
74.

Which of the following is INCORRECT? Pectoralis minor:

A. arises from the 3rd, 4th and 5th ribs
B. inserts into the coracoid process of the scapula
C. is innervated by both pectoral nerves
D. is an important landmark to the underlying axillary artery
E. is a medial rotator and adductor of the arm
Answer» E. is a medial rotator and adductor of the arm
discuss
75.

Which of the following is INCORRECT? Pectoralis major:

A. consists of clavicular and sternocostal heads
B. is innervated by C6 to T1
C. medially rotates and abducts the arm
D. assists flexion at the shoulder
E. can act as an accessory muscle of respiration
Answer» B. is innervated by C6 to T1
discuss
76.

The nerve supply of latissimus dorsi is from the:

A. pectoral nerves
B. thoracodorsal nerve
C. axillary nerve
D. long thoracic nerve
E. dorsal scapular nerve
Answer» B. thoracodorsal nerve
discuss
77.

The nerve supply of rhomboid major and rhomboid minor is from the:

A. pectoral nerves
B. thoracodorsal nerve
C. axillary nerve
D. long thoracic nerve
E. dorsal scapular nerve
Answer» E. dorsal scapular nerve
discuss
78.

The nerve supply of serratus anterior is from the:

A. pectoral nerves
B. thoracodorsal nerve
C. axillary nerve
D. long thoracic nerve
E. dorsal scapular nerve
Answer» D. long thoracic nerve
discuss
79.

The nerve supply of pectoralis minor is from the:

A. pectoral nerves
B. thoracodorsal nerve
C. axillary nerve
D. long thoracic nerve
E. dorsal scapular nerve
Answer» A. pectoral nerves
discuss
80.

The nerve supply to deltoid is from the:

A. pectoral nerves
B. thoracodorsal nerve
C. axillary nerve
D. long thoracic nerve
E. dorsal scapular nerve
Answer» C. axillary nerve
discuss
81.

Which of the following is INCORRECT? The biceps:

A. is a powerful flexor of the elbow
B. supinates the forearm
C. is paralysed by an injury to the posterior cord of the brachial plexus
D. is a weak flexor of the shoulder
E. inserts into the bicipital aponeurosis
Answer» C. is paralysed by an injury to the posterior cord of the brachial plexus
discuss
82.

Which of the following is not a direct attachment of the pectoral girdle to the trunk?

A. pectoralis minor
B. pectoralis major
C. trapezius
D. serratus anterior
E. levator scapulae
Answer» B. pectoralis major
discuss
83.

Which of the following does not connect the arm to the pelvic girdle?

A. deltoid
B. biceps
C. subclavius
D. subscapularis
E. supraspinatus
Answer» C. subclavius
discuss
84.

The nerve supply to supraspinatus is from the:

A. lower subscapular nerve
B. dorsal scapular nerve
C. suprascapular nerve
D. upper subscapular nerve
E. thoracodorsal nerve
Answer» C. suprascapular nerve
discuss
85.

The nerve supply to teres major is from the:

A. lower subscapular nerve
B. dorsal scapular nerve
C. suprascapular nerve
D. upper subscapular nerve
E. thoracodorsal nerve
Answer» A. lower subscapular nerve
discuss
86.

Which of the following is INCORRECT, regarding branches of the posterior cord?

A. C5, 6 – upper subscapular nerve
B. C6, 7, 8 – thoracodorsal nerve
C. C5, 6 – lower subscapular nerve
D. C7, 8 – axillary
E. C5, 6, 7, 8, T1 – radial nerve
Answer» D. C7, 8 – axillary
discuss
87.

What is the first bone of the skeleton?

A. tibia
B. humerus
C. scapula
D. femur
E. clavicle
Answer» E. clavicle
discuss
88.

Regarding the humerus:

A. the head forms half a sphere
B. the lateral epicondyle is more prominent
C. the axillary nerve winds around the anatomical neck
D. the greater tuberosity continues distally as the medial lip of the intertubecular groove
E. the capsule of the shoulder joint extends down the medial side of the humeral shaft
Answer» E. the capsule of the shoulder joint extends down the medial side of the humeral shaft
discuss
89.

Which muscle does not arise from the common extensor origin?

A. extensor carpi radialis brevis
B. extensor digitorum
C. extensor digiti minimi
D. extensor carpi radialis longus
E. extensor carpi ulnaris
Answer» D. extensor carpi radialis longus
discuss
90.

Regarding the extensor retinaculum:

A. septa divide the extensor region into four compartments
B. it attaches to the ulnar styloid
C. the four extensor digitorum tendons lie deep to extensor indicis
D. it is a thickening of the deep fascia of the forearm
E. it lies transversely across the extensor surface of the wrist joint
Answer» D. it is a thickening of the deep fascia of the forearm
discuss
91.

Brachialis is supplied by:

A. median nerve
B. musculocutaneous nerve
C. radial nerve
D. median and musculocutaneous nn (?nerves)
E. musculocutaneous and radial nn (?nerves)
Answer» E. musculocutaneous and radial nn (?nerves)
discuss
92.

Which carpal bone is most commonly dislocated?

A. lunate
B. scaphoid
C. trapezium
D. capitate
E. pisiform
Answer» A. lunate
discuss
93.

Which muscle arises from both ulnar and radius?

A. pronator teres
B. flexor carpi radialis
C. flexor digitorum superficialis
D. flexor digitorum profundus
E. flexor pollicis longus
Answer» C. flexor digitorum superficialis
discuss
94.

Which structure is NOT attached to the pisiform?

A. abductor digiti minimi
B. ulnar collateral ligament
C. flexor carpi ulnaris
D. extensor retinaculum
E. pisometacarpal ligament
Answer» B. ulnar collateral ligament
discuss
95.

The median nerve goes through the heads of which muscle?

A. biceps brachii
B. supinator
C. pronator teres
D. pronator quadratus
E. flexor digitorum superficialis
Answer» C. pronator teres
discuss
96.

Regarding the interosseous muscle:

A. the palmar interossei have two heads
B. there are usually four palmar interossei
C. the tendons pass on the posterior side of the deep transverse ligament
D. they insert into the extensor expansion, not the proximal phalanges
E. they are supplied by the superficial branch of the ulnar nerve (C8, T1)
Answer» C. the tendons pass on the posterior side of the deep transverse ligament
discuss
97.

Which nerve arises from both radius and ulna?

A. extensor pollicis longus
B. extensor pollicis brevis
C. abductor pollicis longus
D. extensor indicis
E. extensor digitorum
Answer» C. abductor pollicis longus
discuss
98.

In the forearm:

A. the brachial artery lies medial to the median nerve in the cubital fossa
B. the radial artery lies lateral to the radial nerve in the middle third
C. the anterior interosseous nerve arises from the radial nerve
D. the median nerve passes between the two heads of flexor carpi ulnaris
E. the posterior interosseous nerve passes between the two layers of the supinator
Answer» E. the posterior interosseous nerve passes between the two layers of the supinator
discuss
99.

The radial artery:

A. gives rise to the posterior interosseous artery
B. passes distally, lateral to the biceps tendon
C. passes across the tendon of abductor pollicis brevis to enter the anatomical snuffbox
D. passes over the tendon of insertion of pronator teres
E. none of the above
Answer» D. passes over the tendon of insertion of pronator teres
discuss
100.

A high ulnar nerve injury might produce:

A. weakness of elbow flexion
B. a ‘claw hand’
C. weak abduction of the index finger
D. triceps paralysis
E. sensory loss over the radial three fingers
Answer» C. weak abduction of the index finger
discuss

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