Block 1: Practice Exam #2 Flashcards
The spiral groove is a feature of the:
A) anterior humerus
B) lateral epicondyle of the humerus
C) medial epicondyle of the humerus
D) posterior humerus
posterior humerus
The groove between the greater and lesser tuberosities of the humerus has what traversing through it?
A) the axillary artery
B) the brachial vein
C) the long head of biceps brachii
D) the radial nerve
the long head of biceps brachii
Muscles attaching, at least in part, to the clavicle include all EXCEPT:
A) deltoid
B) pectoralis major
C) pectoralis minor
D) trapezius
pectoralis minor
The principle (primary) flexors of the elbow are:
A) biceps brachii and brachialis
B) biceps brachii and brachioradialis
C) biceps brachii and coracobrachialis
D) biceps brachii and deltoid
biceps brachii and brachialis
The brachial plexus has:
A) eight rami
B) five trunks
C) three cords
D) two divisions
three cords
The trapezoid and conoid make up:
A) one of the many carpal-carpal articulations
B) the coracoacromial ligament
C) the coracoclavicular ligament
D) the primary stabilizers of the elbow
the coracoclavicular ligament
The innervation of the lumbrical muscles is related to the innervation of the:
A) extensor digitorum
B) flexor digitorum profundus
C) flexor digitorum superficialis
D) the interossei muscles
flexor digitorum profundus
Which of the following muscles would NOT be affected by the severance of the median nerve above the elbow?
A) abductor pollicis brevis
B) abductor pollicis longus
C) flexor pollicis longus
D) pronator quadratus
abductor pollicis longus
The attachments of the third palmar interosseous includes:
A) base of the 3rd phalanx, radial side
B) base of the 4th phalanx, ulnar side
C) base of the 5th phalanx, radial side
D) base of the 5th phalanx, ulnar side
base of the 5th phalanx, radial side
The greatest ligamentous support of the elbow is on the:
A) anterior side
B) radial side
C) support is equal on both sides
D) ulnar side
ulnar side
To achieve the best function of the rotator cuff muscles, the following nerves are needed:
A) long thoracic and median
B) radial and axillary
C) suprascapular and subscapular
D) thoraco-dorsal and musculocutaneous
suprascapular and subscapular
Which of the following arteries is NOT a direct branch of the axillary artery?
A) anterior humeral circumflex
B) circumflex scapular
C) posterior humeral circumflex
D) thoraco-acromial trunk
circumflex scapular
The second division of the axillary artery has:
A) one branch
B) two branches
C) three branches
D) four branches
two branches
The spinal contribution to the dorsal scapular nerve is:
A) C5
B) C5, C6
C) C5, C6, C7
D) C7, C8, T1
C5
Swan neck deformity is a result of:
A) rupture of the attachment of the extensor digitorum on the middle phalanx & rupture of the volar plate
B) rupture of the extensor digitorum’s central slip & lateral bands to the distal phalanx & rupture of the volar plate
C) rupture of the flexor digitorum profundus
D) rupture of the flexor digitorum superficialis and rupture of the volar plate
rupture of the attachment of the extensor digitorum on the middle phalanx & rupture of the volar plate
Mallet finger is a result of:
A) a rupture of the attachment of the extensor digitorum on the middle phalanx & rupture of the volar plate
B) rupture of the extensor digitorum’s central slip & lateral bands to the distal phalanx
C) rupture of the flexor digitorum profundus
D) rupture of the flexor digitorum superficialis and rupture of the volar plate
rupture of the extensor digitorum’s central slip & lateral bands to the distal phalanx
The ulnar nerve runs medial along the arm with the:
A) posterior ulnar collateral
B) posterior ulnar recurrent
C) superior ulnar collateral
D) superior ulnar recurrent
superior ulnar collateral
The posterior cord of the brachial plexus gives rise to which terminal branche(s)?
A) axillary and radial
B) median
C) musculocutaneous and axillary
D) ulnar and median
axillary and radial
The long thoracic nerve innervates which muscle(s)?
A) latissimus dorsi
B) serratus anterior
C) subscapularis
D) teres major
serratus anterior
Which muscle “initiates” abduction at the glenohumeral joint?
A) deltoid
B) infraspinatus
C) supraspinatus
D) trapezius
supraspinatus
Which muscle does NOT have an attachment to the scapula?
A) biceps brachii
B) latissimus dorsi
C) levator scapula
D) triceps brachii
latissimus dorsi
The function of the coracobrachialis muscle is:
A) abduction and flexion of the shoulder
B) adduction and flexion of the shoulder
C) flexion of the shoulder and elbow
D) flexion of the elbow
adduction and flexion of the shoulder
The ligament that makes up the “roof” of the shoulder is the:
A) coracoacromial
B) coracoclavicular
C) costoclavicular
D) interclavicular
coracoacromial
What ligament or portion of a ligament contributes to the motion at the acromioclavicular joint?
A) conoid
B) coracoacromial
C) superior acromioclavicular
D) trapezoid
conoid
Which dislocation is considered a medical emergency?
A) anterior dislocation of the sternoclavicular
joint
B) posterior dislocation of the sternoclavicular joint
C) superior dislocation of the acromioclavicular joint
D) third degree separation of the acromioclavicular joint
posterior dislocation of the sternoclavicular joint
Which of the following muscles does not participate in the formation of the dorsal digital expansion of the ring finger?
A) extensor digitorum
B) second palmar interosseous
C) third dorsal interosseous
D) third lumbrical
third dorsal interosseous
Which muscle is innervated by the ulnar nerve?
A) abductor pollicis brevis
B) abductor pollicis longus
C) adductor pollicis
D) opponens pollicis
adductor pollicis
All of the following can be found in the “anatomical snuff box” EXCEPT;
A) radial artery
B) radial nerve
C) scaphoid bone
D) median nerve
median nerve
The nerve that lies just medial to the brachial artery in the cubital fossa is the:
A) median nerve
B) musculocutaneous nerve
C) radial nerve
D) ulnar nerve
median nerve
The annular ligament supports the:
A) glenohumeral joint
B) distal radioulnar joint
C) proximal radioulnar joint
D) wrist joint
proximal radioulnar joint
The ligaments that help the hand move with the forearm in pronation and supination are the:
A) dorsal radiocarpal ligament and dorsal ulnocarpal ligament
B) palmar radiocarpal ligament and palmar ulnocarpal ligament
C) radial collateral ligament and ulnar collateral ligament
D) superficial and deep transverse metacarpal ligaments
palmar radiocarpal ligament and palmar ulnocarpal ligament
All of the following are components of the glenohumeral ligaments EXCEPT:
A) axillary pouch
B) coracohumeral ligament
C) middle glenohumeral ligament
D) superior glenohumeral ligament
coracohumeral ligament
Which muscle is not innervated by the radial nerve?
A) anconeous
B) extensor carpi ulnaris
C) flexor carpi ulnaris
D) triceps brachii
flexor carpi ulnaris
The spinal contribution to the ulnar nerve is:
A) C5, C6
B) C5, C6, C7
C) C6, C7, C8
D) C7, C8, T1
C7, C8, T1
Injury to the posterior cord of the brachial plexus would affect all of the following muscles EXCEPT:
A) biceps brachii
B) deltoid
C) supinator
D) triceps brachii
biceps brachii
Injury to the upper trunk of the brachial plexus would likely affect which muscle?
A) Abductor digit minimi
B) Opponens digiti minimi
C) Serratus anterior
D) Supraspinatus
Supraspinatus
Fracture of the medial epicondyle of the humerus could potentially damage which nerve?
A) Axillary
B) Musculocutaneous
C) Radial
D) Ulnar
ulnar
Posterior dislocation of the elbow will likely result in fracture of the _____________.
A) coronoid process
B) olecranon process
C) radial styloid process
D) ulnar styloid process
coronoid process
Dislocation of the proximal radioulnar joint will result in rupture of the _____________.
A) annular ligament
B) interosseous membrane
C) radial collateral ligament
D) ulnar collateral ligament
annular ligament
Which of the following does NOT have an attachment to the lateral epicondyle of the humerus?
A) Extensor carpi radialis longus
B) Extensor Carpi Ulnaris
C) Extensor digitorum
D) Extensor Pollicis Longus
Extensor Pollicis Longus
An athlete falls on an outstretched arm and complains of pain in the anatomical snuff box and is point tender over the snuff box. You suspect a fracture of which bone?
A) capitate bone
B) hamate bone
C) scaphoid bone
D) trapezoid bone
scaphoid bone
Inability to supinate the forearm could result from an injury to which of the following nerves?
A) axillary and median
B) median and ulnar
C) musculocuatenous and radial
D) suprascapular and axillary
musculocuatenous and radial
A patient is unable to hold a piece of paper between his index and middle finger because of an injury to which of the following nerves?
A) median nerve
B) musculocutaneous nerve
C) radial nerve
D) ulnar nerve
ulnar nerve
A patient that is unable to adduct his arm has paralysis of which of the following muscles?
A) infraspinatus
B) latissimus dorsi
C) supraspinatus
D) teres minor
latissimus dorsi
A defect known as “winged” scapula is a result of weakness of the serratus anterior muscle. The nerve contributing to this injury comes from which part of the brachial plexus?
A) medial cord
B) posterior cord
C) roots
D) upper trunk
roots
If the thoracoacromial trunk were ligated, which of the following arterial branches would maintain blood flow?
A) acromial
B) deltoid
C) pectoral clavicular
D) superior thoracic
superior thoracic
A patient has fractured their cervical spine causing damage to the cervical nerve roots. Upon examination you discover that the patient can still shrug their shoulders even though the cervical roots are not functional. This can be explained because the nerve innervating the primary muscle responsible for shoulder shrugs is the _________.
A) Dorsal scapular
B) Spinal accessory
C) Suprasinous
D) Transverse cervical
Spinal accessory
A patient complains of decreased sensation of the medial forearm and 5th You suspect which cervical nerve root involvement?
A) C5
B) C6
C) C7
D) C8
C6
The superficial palmar arch is a continuation of which artery?
A) dorsal carpal
B) palmar carpal
C) radial
D) ulnar
palmar carpal
The lateral antebrachial cutaneous nerve is a terminal branch of which motor nerve?
A) axillary
B) musculocutaneous
C) radial
D) ulnar
musculocutaneous
