Deck 2: Upper Limb

Question 1

Which of the following muscles functions in lateral rotation of the humerus?

A) coracobrachialis
B) latissimus dorsi
C) pectoralis major
D) subscapularis
E) teres minor

Answer 1

teres minor

Question 2

The insertion of the biceps brachii muscle is on which structure?

A) tuberosity of radius
B) coronoid process of ulna
C) shaft of humerus
D) olecranon process
E) head of radius

Answer 2

tuberosity of radius

Question 3

All these arteries supply the breast EXCEPT:

A) intercostal artery
B) lateral thoracic artery
C) internal thoracic artery
D) thoracoacromial artery
E) subscapular artery

Answer 3

subscapular artery

Question 4

The coracoclavicular ligament resists which movement of the scapula?

A) downward
B) lateral
C) medial
D) rotational
E) upward

Question 5

Which of the following muscles is NOT attached to either the greater tubercle or lesser tubercle of the humerus?

A) teres major
B) subscapularis
C) supraspinatus
D) teres minor
E) infraspinatus

Question 6

In the cubital fossa the tendon of the biceps brachii muscle lies where in relationship to the brachial artery?

A) lateral
B) anterior
C) medial
D) posterior
E) the artery is not in the cubital fossa

Question 7

Which of the following is NOT classified as part of the rotator cuff?

A) deltoid
B) infraspinatus
C) subscapularis
D) supraspinatus
E) teres minor

Question 8

Compression of the median nerve in the carpal tunnel would cause paralysis of all of the following muscles EXCEPT:

A) opponens pollicis
B) abductor pollicis brevis
C) flexor pollicis brevis
D) first and second lumbricals
E) adductor pollicis

Question 9

The carpal tunnel, along with the vertical groove, contains all the following tendons EXCEPT:

A) tendon of flexor pollicis longus
B) tendons of flexor digitorum superficialis
C) tendons of flexor digitorum profundus
D) tendon of flexor carpi ulnaris
E) tendon of flexor carpi radialis

Question 10

The flexor digitorum superficialis functions in:

A) flexion of the wrist and middle phalanges
B) adduction of the wrist
C) abduction of the wrist
D) flexion of the wrist and distal phalanges
E) flexion of the digits and wrist abduction

Question 11

Which of the following muscles is attached to the coracoid process?

A) brachialis
B) deltoid
C) pectoralis major
D) pectoralis minor
E) subclavius

Question 12

Which of these muscles is innervated by the suprascapular nerve?

A) latissimus dorsi
B) infraspinatus
C) rhomboid major
D) teres minor
E) teres major

Question 13

Muscles that flex the forearm at the elbow include:

A) brachioradialis, pronator teres, brachialis
B) flexor carpi radialis, biceps brachii, supinator
C) extensor digitorum
D) extensor digiti minimi
E) extensor pollicis longus

Question 14

The landmark for the end of the axillary artery and the beginning of the brachial artery is which muscle?

A) teres minor
B) teres major
C) pectoralis major
D) pectoralis minor
E) subscapularis

Question 15

The acromioclavicular joint is what type of joint?

A) cartilaginous
B) fibrous
C) synchondrosis
D) synovial
E) pivot

Question 16

The pronator quadratus muscle receives its innervation from which nerve?

A) ulnar
B) musculocutaneous
C) radial
D) median
E) axillary

Question 17

The skin over the dorsum of the hand (not the digits) is supplied by branches of which two nerves?

A) ulnar and deep radial
B) median and superficial radial
C) ulnar and superficial radial
D) median and deep radial
E) median and ulnar

Question 18

Functions of the clavicle include each of the following EXCEPT:

A) transmits forces from the upper limb to the axial skeleton
B) provides attachments for several ligaments
C) provides attachments for several muscles
D) participates in the formation of the shoulder joint
E) acts as a strut holding the upper limb away from the trunk

Question 19

Which of the following arteries does NOT contribute to the collateral circulation around the scapula?

A) posterior humeral circumflex artery
B) subscapular artery
C) suprascapular artery
D) lateral thoracic artery
E) transverse cervical artery

Question 20

Which pair of muscles helps form the boundaries of the cubital fossa?

A) brachialis, pronator teres
B) biceps brachii, brachioradialis
C) biceps brachii, brachialis
D) brachioradialis, pronator teres
E) brachioradialis, supinator

Question 21

The branch of the radial artery in the palm that lies between the first dorsal interosseous muscle and the adductor pollicis muscles along the shaft of the first metacarpal is the:

A) princeps pollicis artery
B) radialis indicis artery
C) common digital artery of the index finger
D) palmar metacarpal artery
E) dorsal metacarpal artery

Question 22

Following an automobile accident, a man is brought to your clinic and an examination of a radiograph indicates a fracture of the lateral epicondyle. This structure provides the attachment of all of the following muscles EXCEPT:

A) extensor carpi radialis brevis
B) extensor carpi ulnaris
C) extensor digitorum
D) extensor digiti minimi
E) extensor pollicis longus

Question 23

The long thoracic nerve is a branch of which part of the brachial plexus?

A) lateral cord
B) posterior cord
C) medial cord
D) roots C5,C6,C7
E) upper trunk

Question 24

The terminal branches of the brachial artery in the forearm are which pair of arteries?

A) common interosseous and radial
B) radial and deep brachial
C) deep brachial and ulnar
D) radial and ulnar
E) common interosseous and deep brachial

Question 25

Which of the following arteries is NOT a branch of the axillary artery?

A) lateral thoracic artery
B) subscapular artery
C) superior thoracic artery
D) suprascapular artery
E) thoracoacromial artery

Question 26

Which of the following structures is NOT involved in the articulations at the radiocarpal joint?

A) distal radius
B) distal ulna
C) articular disc
D) scaphoid bone
E) lunate bone

Question 27

With regard to the flexor tendon mechanism, the tendon of which muscle splits and surrounds the tendon of which other muscle?

A) flexor digitorum superficialis, flexor digitorum profundus
B) extensor digitorum, flexor digitorum profundus
C) flexor pollicis longus, flexor digitorum superficialis
D) flexor digitorum profundus, flexor digitorum superficialis
E) flexor digitorum superficialis, flexor pollicis longus

Question 28

The trochlea of the humerus articulates with the:

A) trochlear notch of the ulna
B) fovea of the radialis
C) olecranon process
D) radial notch
E) ulnar head

Question 29

All the following are TRUE concerning the cephalic vein EXCEPT:

A) it is the radial continuation of the dorsal venous arch
B) in the forearm it parallels the brachioradialis muscle
C) it lies in the superficial fascia
D) it empties into the brachial vein
E) usually it is connected to the median cubital vein

Question 30

Which of the following statements about the triceps brachii is INCORRECT?

A) causes extension at the elbow joint
B) innervated by the radial nerve
C) attached to the olecranon process
D) lateral head is attached above the radial groove of the humerus
E) long head is attached to the supraglenoid tubercle of the scapula

Question 31

The musculocutaneous nerve supplies the cutaneous innervation to the:

A) breast
B) lateral forearm
C) medial arm
D) hypothenar region
E) shoulder

Question 32

Which of the following muscles is NOT attached to the medial epicondyle of the humerus?

A) flexor carpi radialis
B) flexor carpi ulnaris
C) flexor digitorum superficialis
D) palmaris longus
E) supinator

Question 33

In the deep layer of the palm the dorsal interosseous muscles insert into:

A) the medial side of the base of the proximal phalanx of the thumb
B) flexor tendon mechanisms of digits 2, 3, 4, and 5
C) extensor expansions of digits 2, 3, and 4
D) bases of proximal phalanges 2, 4, and 5
E) bases of middle phalanges 2, 3, 4, and 5

Question 34

All the following muscles function in flexion of the humerus at the shoulder joint EXCEPT:

A) coracobrachialis
B) deltoid
C) pectoralis minor
D) pectoralis major
E) short head, biceps brachii

Question 35

The palmar aponeurosis serves as the point of insertion of which muscle?

A) flexor digitorum profundus
B) flexor pollicis longus
C) lumbricals
D) palmaris longus
E) flexor carpi ulnaris

Question 36

The weakest part of the shoulder joint capsule is located where in relation to the joint space?

A) anterior
B) inferior
C) lateral
D) posterior
E) superior

Question 37

Which artery arises from the brachial artery and anastomoses posterior to the medial epicondyle with the posterior ulnar recurrent artery?

A) inferior ulnar collateral
B) radial recurrent
C) common interosseous
D) deep brachial
E) superior ulnar collateral

Question 38

The flexor retinaculum is attached laterally to the scaphoid and which other bone?

A) trapezoid
B) lunate
C) pisiform
D) trapezium
E) hamate

Question 39

Atrophy or paralysis of the deltoid muscle would result from damage to which nerve?

A) accessory
B) axillary
C) musculocutaneous
D) radial
E) suprascapular

Question 40

Which of the following pathways is NOT involved in lymphatic drainage of the breast?

A) abdominal pathway
B) contralateral pathway
C) circumareolar pathway
D) parasternal pathway
E) axillary pathway

Question 41

The middle trunk of the brachial plexus is formed by the anterior primary ramus or rami of:

A) C5
B) C5 and C6
C) C7
D) C7 and C8
E) T1

Question 42

Which statement concerning the radial collateral ligament is INCORRECT?

A) includes anterior, posterior, and transverse bands
B) described as being fan-shaped
C) it is less distinct than the ulnar collateral ligament
D) attaches from an epicondyle to the anular ligament
E) stabilizes the elbow joint

Question 43

The cords of the brachial plexus are named for their relationship to which artery?

A) axillary
B) brachial
C) posterior humeral circumflex
D) deep brachial
E) subclavian

Question 44

The lumbrical muscles attach to the:

A) adjacent metacarpal bones
B) tendons of flexor digitorum profundus
C) extensor expansions
D) a and b above
E) b and c above

Question 45

In the glenohumeral joint, the medially facing ball of the humerus also faces:

A) superiorly and anteriorly
B) inferiorly and posteriorly
C) superiorly and posteriorly
D) inferiorly and anteriorly
E) superiorly and laterally

Question 46

The fourth metacarpal articulates with which carpal bone or bones?

A) trapezoid and capitate
B) capitate only
C) trapezium and hamate
D) hamate and capitate
E) trapezoid and trapezium

Question 47

Which of the following statements about the ulnar nerve is INCORRECT?

A) formed from the medial cord
B) no muscular branches in the arm
C) passes at the back of the elbow between the olecranon process and lateral epicondyle
D) branches to the hypothenar muscle group
E) sensory to the ulnar one-half of digit 4 and all of digit 5

Question 48

The extensor carpi radialis longus muscle is attached to the distal third of the lateral supracondylar ridge of the humerus and the lateral intermuscular septum and to the:

A) distal radius
B) base of the second metacarpal
C) base of the first metacarpal
D) trapezium bone
E) proximal phalanx of thumb

Question 49

In anatomical position, the lunate bone of the radiocarpal joint articulates with the:

A) articular disc and medial radius
B) medial joint capsule
C) articular disc only
D) lateral radius
E) ulna directly

Question 50

The levator scapulae muscle is innervated by which nerve?

A) accessory
B) upper subscapular
C) long thoracic
D) dorsal scapular
E) thoracodorsal