T2- Brachial Plexus

Question 1

M. innervated from dorsal Scap

Answer 1

rhomboid major
Rhomboid minor
Levator scap

(C5) - Root

Question 2

dorsal scap N origin

Answer 2

C5 - Root

Question 3

M. innervated by the suprascapular N

Answer 3

Supraspinatus
Infraspinatus
GH JT

Question 4

The suprascapular N innervates what JT

Answer 4

GH JT

Question 5

Origin of the suprascapular N

Answer 5

C4,5,6

Truck

Question 6

M. innervated by the subclavis N

Answer 6

Subclavious

Sternoclavicular JT

(C4,5,6- Trunk)

Question 7

The SC JT is innervated by what N ?

Answer 7

subclavis N

C4,5,6- trunk

Question 8

Lateral Pectoralis N origin

Answer 8

Lateral chord of C5,6,7

Question 9

What M are innervated by the lateral pectoralis N

Answer 9

Pactoralis Major

Lat. Cord- C5,6,7

Question 10

M. innervated by the Musculocutaneous N

Answer 10

M. of the anterior compartment:
Coracobrachialis
Bicep brachii
Brachialis

Skin on the lateral part of the forearm

Question 11

2 N off the Superior trunk

Answer 11

Subclavis

Supraspinatus

Question 12

N off the lateral cord

Answer 12

Lateral Pectoralis

Question 13

N off the middle trunk

Answer 13

None

Question 14

N off the inferior trunk

Answer 14

None

Question 15

Nerves off the posterior cord

Answer 15

upper subscapular
thoracodorsal
lower subscapular

Question 16

M innervated by the upper subscapular N

Answer 16

(superior) subscapularis M

C5- Post trunk

Question 17

M innervated by the Lower subscapular N

Answer 17

(inf ) subscapularis N
Teres Major

(C6-Trunk)

Question 18

Root of the upper subscapular N

Answer 18

C5 (posterior trunk)

Question 19

Root of the lower subscapular N

Answer 19

C6 (posterior trunk)

Question 20

M innervated by the thoracodorsal N

Answer 20

Latissimus

(C6,7,8) posterior trunk

Question 21

What two branches come off of the posterior cord ?

Answer 21

Axillary ( C5-T1)

Radial (C5-T1)

Question 22

M. innervated by the axillary N (C5-T1)

Answer 22

GH JT
teres minor
Deltoid
Skin of superior lateral arm

Question 23

What jt does the axillary N innervate

Answer 23

GH JT

Question 24

What two nerves innervate the GH JT

Answer 24

Axillary

suprascapular

Question 25

M. innervated by the radial N

Answer 25

``` M of the posterior compartment: Triceps ( lat, long, medial) Brachioradialis anconeus Extensor carpi radialis longus Extenor carpi radialis brevis ```

Question 26

Branches from the medial cord

Answer 26

medial pectoral medial brachii cutaneous Medial antebrachial cutaneous

Question 27

What are the nerve roots of the medial cord

Answer 27

C8,T1

Question 28

_____ cord off the anterior division of the inferior trunk

Answer 28

medial cord

Question 29

_____ cord off the posterior division of the middle trunk

Answer 29

Posterior cord

Question 30

_____ cord off the anterior division of the superior trunk

Answer 30

lateral cord

Question 31

The medial cord will give off the _____ branch

Answer 31

Ulnar

Question 32

Median N is derived from the _______ cord

Answer 32

lateral cord & medial cord

Question 33

Musculocutaneous N is derived from the _____ cord

Answer 33

lateral cord

Question 34

Roots of the musculocutaneous N

Answer 34

(C5,6)

Question 35

Roots of the axillary N

Answer 35

C5,6

Question 36

Roots of the median N

Answer 36

C5-T1

Question 37

Roots of the radial N

Answer 37

C5-T1

Question 38

Roots of the Ulnar N

Answer 38

C8,T1

Question 39

The posterior cord gives off the ______ Branches

Answer 39

axiallary & Radial Branches

Question 40

Cutaneous N of the axillary N

Answer 40

Superior lateral brachial cutaneous N (C5,6)

Question 41

Cutaneous innervation of the inferior deltoid

Answer 41

superior lateral brachial Cutaneous N | from the axillary N.

Question 42

Cutaneous N from the radial N

Answer 42

Inferior lateral brachial Cutaneous N

Question 43

Lateral brachial cutaneous N is the terminal part of the ______N

Answer 43

Musculocutaneous N

Question 44

Lateral brachial Cutaneous N gives sensory form the _____ to the _____

Answer 44

lateral epicondyle - radial portion of the wrist

Question 45

Median N is a branch of the _____ cords

Answer 45

Lateral chord | Medial Chord

Question 46

Brachial PLexus is derived from ______ Rami

Answer 46

ventral rami

Question 47

The brachial plexus leaves the CNS btw what two muscles

Answer 47

anterior and middle scalenes

Question 48

Terminal branch of the musculocutaneous N

Answer 48

lateral anti brachial cutaneous