Nerves

Question 1

Cervical Plexus

Answer 1

(C2-C4 ventral rami) cutaneous branches include transverse cervical nerve, suprascapular nerve, lesser occipital, great auricular. Ansa cervicalis is the motor branch

Question 2

Ansa Cervicalis

Answer 2

part of the cervical plexus; it lies superficial to the internal jugular vein. Innervates three of the four infrahyoid muslces (sternohyoid, sternothyroid, and omohyoid). Superior root originates from C1. Inferior (C2-C3)

Question 3

Brachial Plexus

Answer 3

C5-T1 ventral rami and located between anterior and middle scalenes. Superior (C5-C6), middle (C7), and inferior (C8-T1) trunks

Question 4

Phrenic nerve

Answer 4

(C3,4,5 keep the diaphragm alive). Runs anterior of anterior scalenes

Question 5

Sternothyroid

Answer 5

Ansa cervicalis. (Infrahyoid muscle)

Question 6

Omohyoid

Answer 6

Ansa cervicalis. (Infrahyoid muscle)

Question 7

Sternohyoid

Answer 7

Ansa Cervicalis. (Infrahyoid muscle)

Question 8

Thyrohyoid

Answer 8

branch of C1 via hypoglossal nerve

Question 9

Hypoglossal nerve

Answer 9

CN 12 motor neuron for tongue muscle

Question 10

Spinal accessory nerve

Answer 10

CN 11 Sternocleidomastoid and trapezius

Question 11

Stylohyoid

Answer 11

Facial nerve (CN 7) Suprahyoid muscle.

Question 12

Digastric

Answer 12

Posterior Belly: Facial nerve (CN VII) Suprahyoid muscle

Question 13

Mylohyoid

Answer 13

Trigemnal nerve. Suprahyoid muscle

Question 14

Geniohyoid

Answer 14

Suprahyoid muscle

Question 15

Anterior, middle, and posterior scalene

Answer 15

anterior primary rami of C5, C6

Question 16

Semispinalis capitis

Answer 16

dorsal rami

Question 17

Splenius cervicis

Answer 17

dorsal rami

Question 18

Splenius capitis

Answer 18

dorsal rami

Question 19

Platysma

Answer 19

Facial nerve (CN 7)

Question 20

Serratus Anterior

Answer 20

Long thoracic nerve

Question 21

Pectoralis Major

Answer 21

Medial and lateral pectoral nerve

Question 22

Pectoralis Minor

Answer 22

Medial pectoral nerve

Question 23

External abdominal oblique

Answer 23

Anterior/ventral rami T5-T12

Question 24

Rectus abdominis

Answer 24

Anterior/ventral rami T5-T12

Question 25

Internal abdominal oblique

Answer 25

Ventral rami T7-L1

Question 26

Transversus abdominis

Answer 26

Ventral rami T7 to L1

Question 27

External intercostalis

Answer 27

adjacent intercostal nerve

Question 28

Innermost intercostals

Answer 28

adjacent intercostal nerve

Question 29

Internal intercostals

Answer 29

adjacent intercostal nerve

Question 30

Latissimus dorsi

Answer 30

Thoracodorsal nerve (C6-C8)

Question 31

Levator scapulae

Answer 31

Ventral rami C3-C4

Question 32

Rhomboid Minor

Answer 32

Dorsal scapular nerve (C5)

Question 33

Rhomboid Major

Answer 33

Dorsal Scapular nerve (C5)

Question 34

Serratus Posterior Inferior

Answer 34

Intercostal nerves (T9-T12)

Question 35

Serratus Posterior Superior

Answer 35

Intercostal nerves T1-T5

Question 36

Iliocostalis

Answer 36

dorsal rami

Question 37

Longissimus

Answer 37

dorsal rami

Question 38

Spinalis

Answer 38

dorsal rami

Question 39

Infraspinatus

Answer 39

suprascapular nerve

Question 40

Supraspinatus

Answer 40

Suprascapular nerve

Question 41

Trapezius and Sternocleidomastoid

Answer 41

Spinal accessory nerve (CN11)

Question 42

Teres Major

Answer 42

Ventral rami (lower scapular nerve)

Question 43

Teres Minor

Answer 43

Axillary nerve

Question 44

Deltoid

Answer 44

Axillary Nerve

Question 45

Subscapularis

Answer 45

Upper and Lower Subscapular Nerves

Question 46

Biceps Brachii

Answer 46

Musculocutaneous Nerve

Question 47

Brachialis

Answer 47

Musculocutaneous Nerve

Question 48

Coracobrachialis

Answer 48

Musculocutaneous Nerve