lecture 9

Question 1

Anterior Roots:

Originate from the ______of the cord

Answer 1

anterior aspect

Question 2

Anterior Roots: Carry _____ only

Answer 2

motor information

Question 3

Anterior Roots: No associated ____

Answer 3

ganglion

Question 4

Posterior Roots Originate from the_____ of the cord

Answer 4

posterior aspect

Question 5

Posterior Roots Carry ______only

Answer 5

sensory information

Question 6

Posterior Roots Have an _____

Answer 6

associated ganglion

Question 7

The anterior and posterior roots come together to form ____

Answer 7

spinal nerves

Question 8

Spinal nerves contain _____

Answer 8

both sensory (arriving) and motor (exiting) information

Question 9

Spinal nerves travel through ______, bilateral openings within the vertebrae

Answer 9

intervertebral foramina (IVFs)

Question 10

Spinal nerves then split just distal to the IVF into: ______ and ______

Answer 10

Anterior Primary Rami: Posterior Primary Rami:

Question 11

Anterior Primary Rami branch____

Answer 11

anteriorly

Question 12

Anterior Primary Rami Innervate _____

Answer 12

muscles and structures of the upper and lower limbs via plexuses

Question 13

Posterior Primary Rami: Branch ____

Answer 13

posteriorly

Question 14

Posterior Primary Rami: Innervate ____

Answer 14

deep muscles of the back

Question 15

Posterior Primary Rami: Also innervate ____

Answer 15

skin of the dorsal (posterior) surface of the trunk

Question 16

Brachial Plexus Formed by ______

Answer 16

anterior primary rami of nerve roots C5-T1

Question 17

Brachial Plexus From proximal to distal, the brachial plexus can be divided into:

Answer 17

Roots Rugby

Trunks Teams

Divisions Drink

Cords Cold

Branches Beer

Question 18

Brachial Plexus Roots of _____ unite to form the superior trunk

Answer 18

C5 & C6

Question 19

Brachial Plexus Roots of __ continue as the middle trunk

Answer 19

C7

Question 20

Brachial Plexus Roots of _____ unite to form the inferior trunk

Answer 20

C8 and T1

Question 21

C5 -T1 make up the ____

Answer 21

brachial plexus

Question 22

The posterior division of all three trunks unite to form the _____

Answer 22

posterior cord

Question 23

The anterior division of the superior and middle trunks unite to form the _____

Answer 23

lateral cord

Question 24

The anterior division of the inferior trunk continues as the _____

Answer 24

medial cord

Question 25

spinal nerve c8 comes out between ___ and ___

Answer 25

c7 and t1 vertebrae

Question 26

The cords sit ___ _____ and ____ to the artery

Answer 26

medial, lateral and posterior

Question 27

The cords and most of their branches lie within the axilla (deep to _____

Answer 27

pec minor)

Question 28

Five Terminal Branches

Answer 28

Musculocutaneous Nerve Axillary Nerve Radial Nerve Median Nerve Ulnar Nerve

Question 29

MARMU (lateral to medial)

Answer 29

Musculocutaneous Nerve Axillary Nerve Radial Nerve Median Nerve Ulnar Nerve

Question 30

Dorsal scapular nerve _____ and ___

Answer 30

(C4), C5

Question 31

Dorsal scapular nerve (C4), C5 Innervates _______ and _____

Answer 31

levator scapulae, rhomboids

Question 32

Long thoracic nerve ___ ____

Answer 32

C5,6,7

Question 33

Phrenic nerve ____ ___

Answer 33

C3,4,5

Question 34

C3,4,5 Innervates _____

Answer 34

diaphragm

Question 35

C5,6,7 Innervates ______

Answer 35

serratus anterior

Question 36

Nerve to Subclavius ____ Innervates subclavius

Answer 36

C5,6

Question 37

Suprascapular Nerve C(4),5,6 Innervates ____ and ____

Answer 37

supraspinatus & infraspinatus

Question 38

Suprascapular Nerve C(4),5,6 Travels through ____ deep to transverse scapular ligament

Answer 38

suprascapular notch

Question 39

Medial Pectoral Nerve ____

Answer 39

(C7),8,T1

Question 40

Medial Pectoral Nerve (C7),8,T1 Innervates _____

Answer 40

pectoralis minor and major

Question 41

Medial Brachial Cutaneous Nerve____ Cutaneous sensation to the medial arm

Answer 41

T1

Question 42

Medial Antebrachial Cutaneous Nerve ____

Answer 42

C8,T1

Question 43

Medial Antebrachial Cutaneous Nerve C8,T1 Cutaneous sensation to the -____

Answer 43

medial forearm

Question 44

Terminal Branches From the Medial Cord: Innervates muscles in the _____

Answer 44

medial forearm and hand

Question 45

Terminal Branches From the Medial Cord: Cutaneous innervation to _____

Answer 45

5th and medial half of 4th digits

Question 46

Musculocutaneous Nerve C5,6,(7) Pierces _____

Answer 46

coracobrachialis

Question 47

Upper subscapular C5,6 Innervates ______

Answer 47

subscapularis

Question 48

Thoracodorsal Nerve C6,7,8 Innervates _____

Answer 48

latissimus dorsi

Question 49

Lower Subscapular Nerve Innervates ____ and _____

Answer 49

subscapularis & teres major

Question 50

plate 433 for simplified brachial plexus

Question 51

Axillary Nerve C5,6 Innervates ____, _____ and cutaneous sensation to lateral shoulder

Answer 51

deltoid, teres minor

Question 52

Axillary Nerve __, ___

Answer 52

C5,6

Question 53

Radial Nerve ____

Answer 53

C5,6,7,8,T1

Question 54

Radial Nerve C5,6,7,8,T1 Innervates _____

Answer 54

mm of posterior arm & forearm

Question 55

Radial Nerve Cutaneous innervation to posterior arm, forearm and _______

Answer 55

1st-3rd digits posteriorly

Question 56

compression squished by ___

Answer 56

bone

Question 57

entrapment squished by _____

Answer 57

soft tissue

Question 58

Median Nerve _____

Answer 58

C5,6,7,8,T1

Question 59

Median Nerve Innervates _____

Answer 59

most mm of anterior forearm and some intrinsic hand mm

Question 60

Median Nerve Cutaneous innervation to ______ and tips of same digits posteriorly

Answer 60

1st to lateral half of 4th digit anteriorly

Question 61

423 plate cutaneous innervation

Question 62

Axillary Artery: Branch of the _____

Answer 62

subclavian artery