front 1 a spinal nerve is a mixed nerve formed from the union of _________ and ______ | back 1 a ventral root and dorsal root |
front 2 a dorsal root contains _____ fibers and ventral root contains _______ | back 2 afferent/sensory; efferent/motor |
front 3 How many pairs of spinal nerves are there? How many of each type? | back 3 31 total; 8 cervical 12 thoracic, 5 lumbar, 5 sacral, and 1 coccygeal |
front 4 C1-C7 spinal nerves exit the vertebral canal ___________ to the vertebrae for which they were named | back 4 superior |
front 5 Where does C8 exist the vertebral canal via the intervertebral foramen? | back 5 between C7 and T1 |
front 6 T1 and inferior spinal nerves exit the vertebra canal _____________ to the vertebrae for which they are named | back 6 inferior |
front 7 From which ventral rami is the brachial plexus formed? | back 7 c5-t1 |
front 8 how are the subunits of the brachial plexus organized? | back 8 roots, trunks, divisions, cords, branches |
front 9 be able to draw the diagram of the brachial plexus | back 9 |
front 10 be able to draw the diagram of the brachial plexus that includes the non-terminal nerves | back 10 |
front 11 what are the five terminal branches of the brachial plexus? | back 11 muscultocutaneous, axillary, median, radial, and ulnar |
front 12 which ventral rami form the musculocutaneous n? | back 12 C5,C6,C7 |
front 13 which cord does the musculocutaneous nerve directly continue from? | back 13 the lateral cord |
front 14 which nerve pierces corachobrachialis and runs between biceps brachii and brachialis? | back 14 musculocutaneous nerve |
front 15 which nerve innervates all the muscles of the anterior arm? | back 15 musculocutaneous nerve |
front 16 from which ventral rami is the ulnar nerve formed? | back 16 C8-T1 |
front 17 Which cord is the ulnar nerve a direct continuation of? | back 17 medial cord |
front 18 which nerve are you compressing when you hit your funny bone? | back 18 ulnar nerve |
front 19 which nerve runs posterior to medial epicondyle and runs medially within anterior forearm | back 19 ulnar nerve |
front 20 what is innervated by the median nerve | back 20 five intrinsic hand muscles first two lumbricals three muscles of the thenar eminence - opponens pollicis, abductor pollicis, and flexor pollicis (recurrent branch of median n) And all anterior forearm muscles except flexor carpi ulnaris and half of flexor digitorum profundus deep anterior forearm muscles are innervated by anterior interosseous n. |
front 21 what is innervated by ulnar nerve? | back 21 all but five intrinsic hand muscles -- these are deep branch of ulnar nerve 1.5 muscles in anterior forearm - flexor carpi ulnaris and half of flexor digitorum profundus |
front 22 which ventral rami form the median nerve? | back 22 C5-T1 |
front 23 Which nerve is formed by one half of the lateral cord and one half of the medial cord? | back 23 median nerve |
front 24 which nerve enters the forearm by passing through the cubital fossa and runs between flexor digitorum superficialis and flexor digitorum profundus and is deep to biceps brachii? | back 24 median nerve |
front 25 which nerves are formed from c5-t1? | back 25 median nerve and radial nerve |
front 26 of which cord is the radial nerve a direct continuation of? | back 26 the posterior cord |
front 27 which nerve passes posterior to the humerus within the radial groove? | back 27 radial nerve |
front 28 what does the radial nerve innervate? | back 28 plain old radial nerve only innervates brachioradialis, triceps brachii, and extensor carpi radialis longus deep branch of radial nerve gets supinator and extensor carpi radialis brevis posterior interosseous nerve gets all the rest extensor digitorum, extensor digiti minimi, extensor carpi ulnaris, extensor pollicis longus, extensor pollicis brevis, extensor indices |
front 29 Which muscles of the hand does the radial nerve innervate/ | back 29 trick questione. none. it does supply sensory information for the dorsal surface of the area of the thumb |
front 30 from which ventral rami is the axillary nerve formed? | back 30 C5-C6 |
front 31 which two nerves branch off the posterior cord? | back 31 the axillary and radial nerve |
front 32 which nerve wraps around the surgical neck of the humerus, passing posterior? | back 32 axilary nerve |
front 33 what does the axillary nerve innervate? | back 33 deltoid and teres minor |
front 34 which nerve branches directly off ventral ramus c5? | back 34 dorsal scapular nerve |
front 35 which muscles are innervated by the dorsal scapular nerve? | back 35 rhomboids major and minor and levator scapulae |
front 36 which ventral rami directly form the long thoracic nerve? | back 36 c5-c7 |
front 37 which nerve innervates serratus anterior? | back 37 long thoracic nerve |
front 38 which nerve is sometimes damaged by a masectomy and what is the result? | back 38 the long thoracic nerve; winging of the scapula |
front 39 which nerve branches off the upper trunk? | back 39 suprascapular nerve |
front 40 which muscles does the suprascapular nerve innervate? | back 40 supraspinatus and infraspinatus |
front 41 what are the nerves of the upper brachial plexus? | back 41 suprascapular, long thoracic, and dorsal scapular |
front 42 what are the pectoral nerves? | back 42 medial pectoral nerve and lateral pectoral nerve |
front 43 where do the medial and pectoral nerves branch off of? | back 43 the medial pectoral nerve branches off the medial cord and the lateral pectoral nerve branches off the lateral cord |
front 44 which nerve innervates pectoralis minor and half of pectoralis major? which nerve innervates pectoralis major only? | back 44 medial pectoral innervates major and minor; lateral only innervates major |
front 45 name the nerves of the lower brachial plexus | back 45 upper subscapular thoracodorsal lower subscapular |
front 46 where does the upper subscapular nerve branch from and what does it innervate? | back 46 branches from posterior cord and innervates subscapularis (along with the lower subscapular n) |
front 47 where does lower subscapular nerve branch from and what does it innervate? | back 47 branches from posterior cord and innervates subscapularis and teres major |
front 48 where does thoracodorsal nerve branch from and what does it innervate? | back 48 branches off the posterior cord and ventral rami from c6 - c8 innervates latissmus dorsi |
front 49 draw dermatome vs peripheral nerve map | back 49 |
front 50 what is innervated by the lateral pectoral nerve? | back 50 pectoralis major |
front 51 what is innervated by medial pectoral nerve? | back 51 pec major and pec minor |