Anatomy - Final Exam Facts - Upper Limb

Front 1

The musculotendinous rotator cuff strengthens the shoulder joint everywhere EXCEPT:

Back 1

anteroinferiorly

Front 2

The musculotendinous (rotator) cuff of the glenohumeral joint is formed by

Back 2

teres minor
supraspinatus
infraspinatus
subscapularis

Front 3

What are three muscles that arise from the dorsal surface of the scapula and attach at the greater tubercle of the humerus:

Back 3

supraspinatus, infraspinatus, and teres minor

Front 4

The capitulum and trochlea are found on the _________. the olecranon is found on the _______. the head of the _______ articulates with the humerus.

Back 4

The capitulum and trochlea are found on the humerus. the olecranon is found on the ulna. the head of the radius articulates with the humerus.

Front 5

the following infraclavicular branches of the brachial plexus continuous into the forearm as the lateral antebrachial cutaneous nerve (lateral cutaneous nerve of the forearm)

Back 5

musculocutaneous nerve

Front 6

the dorsal scapular nerve is a ____clavicular branch which innervates the ____ and ____ muscles

Back 6

the dorsal scapular nerve is a supraclavicular branch which innervates the rhomboids and levator scapulae muscles

Front 7

the lateral root of the median nerve contains fibers from _____

Back 7

the lateral root of the median nerve contains fibers from C5, 6, 7

Front 8

the lower subscapular nerve is a branch of the medial cord and supplies ____ and _____ muscle

Back 8

the lower subscapular nerve is a branch of the medial cord and supplies subscapularis and teres major muscle

Front 9

the lateral cord is formed by the union of the _____ divisions of the ____ and ____ trunks

Back 9

the lateral cord is formed by the union of the anterior divisions of the superior and middle trunks

Front 10

the suprascapular nerve contains fibers from _____ and innervates the ______ and _______ muscles

Back 10

the suprascapular nerve contains fibers from C5 and C6 and innervates the supraspinatus and infraspinatus muscles

Front 11

he posterior cutaneous nerve of the forearm is a branch of the ________

Back 11

he posterior cutaneous nerve of the forearm is a branch of the radial nerve

Front 12

The upper subscapular nerve is a branch of the _________

Back 12

The upper subscapular nerve is a branch of the posterior cord

Front 13

Superficial palmar arch arises from _______

Back 13

Superficial palmar arch arises from ulnar

Front 14

Subscapular arises from _______

Back 14

Subscapular arises from the axillary artery

Front 15

Which of the following nerves was most likely damaged when a patient cannot extend his wrist, and has mid-body fracture of humerus?

Back 15

radial nerve

Front 16

What nerve is damaged resulting inpartial loss of sensation of the lateral aspect of the forearm and great difficulty flexing the forearm at the elbow?

Back 16

musculocutaneous nerve

Front 17

what can prevent initial raising of arm < 30 degrees?

Back 17

a ruptured supraspinatus tendon

Front 18

what nerve is damaged when patient cannot abduct arm above 30 degrees?

Back 18

damage to the axillary nerve; the axillary nerve is being compressed against the surgical neck of the humerus, etc

Front 19

Nerves used in abducting the arm over the head are:

Back 19

axillary, suprascapular, and long thoracic

Front 20

the correct sequence of muscle action of a patient abduct her arm over her head is...

Back 20

supraspinatus, deltoid, serratus anterior

Front 21

The deltoid muscle attaches to:

Back 21

spine and acromion of scapula and clavicle

Front 22

Winged-scapula can result from injury to a nerve with which spinal levels?

Back 22

C5, C6, and C7

Front 23

the following would likely be detected in a patient whose median nerve was severed in the arm:

Back 23

loss of sensation on the lateral surface of the palm, weakened pronation of the forearm, especially during resisted movement, diminution in flexion of the wrist and forearm, loss of sensation in the palmer surface of the thumb

Front 24

The muscle(s) that would be paralyzed by median nerve transection at the radiocarpal joint is/are:

Back 24

flexor pollicis longus

Front 25

the adductor pollicis is innervated by GSE fibers from a nerve whose root values are _______

Back 25

the adductor pollicis is innervated by GSE fibers from a nerve whose root values are C8 and T1

Front 26

both the extensor pollicis longus and brevis are innervated by the________ nerve

Back 26

both the extensor pollicis longus and brevis are innervated by the radial nerve

Front 27

flexor pollicis longus is innervated by the ________ nerve

Back 27

flexor pollicis longus is innervated by the median nerve

Front 28

the flexor digiti quinti is innervated by GSE fibers in the _______ nerve

Back 28

the flexor digiti quinti is innervated by GSE fibers in the ulnar nerve

Front 29

Which groups of muscles ACT(S) across only ONE joint?

Back 29

coracobrachialis, brachialis, supinator, pronator quadratus

Front 30

In order to have both pronation and supination functional, the _______ nerves are required to be intact

Back 30

In order to have both pronation and supination functional, the radial, musculocutaneous, and median nerves are required to be intact

Front 31

Muscles which play a major role in supination of the forearm include the

Back 31

biceps brachii, supinator

Front 32

The biceps brachii is a supinator. This is due, in part, to its attachments which are on the:

Back 32

scapula and radius

Front 33

Which nerves are needed for supination?

Back 33

radial and musculocutaneous

Front 34

Patients with a severed ulnar nerve at the wrist are likely to...

Back 34

exhibit a clawhand, have trouble adducting their thumbs, be unable to adduct and abduct their fingers

Front 35

wrist injury to the ulnar nerve can manifest as...

Back 35

trouble adducting the thumb, inability to adduct and abduct the fingers, inability to flex the metacarpal-phalangeal joints of digits 4 & 5, inability to extend the interphalangeal joints of digits 4 & 5

Front 36

The flexor carpi ulnaris, fourth lumbrical, first dorsal interosseous, and adductor pollicis are innervated by...

Back 36

the ulnar nerve

Front 37

the lumbrical muscles are innervated by the ____ nerve for digits 2,3 and ___ nerve for digits 4,5

Back 37

median, ulnar

Front 38

the lumbricals extend the...

Back 38

they extend the interphalangeal joints

Front 39

the lumbricals flex the...

Back 39

they flex the metacarpophalangeal joints

Front 40

the lumbricals insert into the...

Back 40

they insert into the dorsal (or extensor) expansion of the digits

Front 41

the adductor pollicis is innervated by GSE fibers whose root value are ____

Back 41

the adductor pollicis is innervated by GSE fibers whose root value are C8 and/or T1

Front 42

both the opponens pollicis and abductor pollicis brevis are innervated by the _______

Back 42

both the opponens pollicis and abductor pollicis brevis are innervated by the recurrent branch of the median nerve

Front 43

give 3 thumb muscles that are supplied by three different nerves

Back 43

ADductor pollicis, ABductor pollicis longus, ABductor pollicis brevis

Front 44

would pronation of the forearm be affected by ulnar damage in the elbow?

Back 44

No.

Front 45

what can manifest in carpal tunnel syndrome?

Back 45

the patient cannot oppose the thumb, due to median nerve compression

Front 46

The contents of the carpal tunnel include:

Back 46

flexor digitorum superficialis, flexor digitorum profundus, flexor pollicis longus, median nerves

Front 47

the radial nerve courses with the...

Back 47

profunda brachii artery

Front 48

the axillary nerve courses with the...

Back 48

posterior humeral circumflex

Front 49

the suprascapular nerve courses with the...

Back 49

suprascapular artery