Anatomy

Question 1

The Brachial Plexus is composed of?

Answer 1

Root
Trunks
Divisions
Cords
Branches

Question 2

Long Thoracic Nerve

Answer 2

Innervates Serratus Anterior

Question 3

Dorsal Scapular Nerve

Answer 3

Innervate the Rhomboids and Levator Scapulae

Question 4

Suprascapular Nerve

Answer 4

Provides motor and sensory components to the supraspinatus and infraspinatus

Question 5

Subscapular Nerve

Answer 5

Innervates the Subscapularis and Teres Major

Question 6

Phrenic Nerve

Answer 6

Innervates the Diaphragm

Question 7

Axillary Nerve

Answer 7

C5-C6

Innervates the Deltoid, Teres Minor and Triceps Long Head.

Question 8

Musculocutaneus Nerve

Answer 8

Innervates the Coricobrachialis, Biceps Brachii and Brachialis

Question 9

Radial Nerve

Answer 9

Innervates the Medial, Lateral and Long heads of the Triceps Brachii muscle.

It also innervates:
Superficial: Brachioradialis I
Superficial: Extensor carpi radialis longus E
Superficial: Extensor carpi radialis brevis E
Superficial: exensor carpi ulnaris E
Superficial: anconeus I
Intermediate: extensor digitorum E
Intermediate: extensor digiti minimi E
Deep: abductor pollicis longus E
Deep: extensor pollicis longus E
Deep: extensor pollicis brevis E
Deep: extensor indicis E
Deep: supinator I

Question 10

Ulnar Nerve

Answer 10

Innervates:
Flexor carpi ulnaris
Flexor digitorum profundus
Opponens digiti minimi
Abductor digiti minimi
Flexor digiti minimi brevis
Dorsal interossei
Palmar interossei
Adductor pollicis
Flexor pollicis brevis
Palmaris brevis

Question 11

Median Nerve

Answer 11

Innervates:
Pronator Teres
Flexor carpi radialis
Palmaris longus
Flexor digitorum superficialis
Flexor digitorum profundus
Flexor pollicis longus
Pronator quadratus.

Question 12

Suprahyoids

Answer 12

Consist of the:
Diagastricus
Mylohyoid
Genlohyoid
Stylohyoid

Question 13

Infrahyoids

Answer 13

Consist of the:
Sternohyoid
Thyrohyoid
Omohyoid
Sternothyrohyoid

These muscles lie right over the trachea.

Question 14

Hyoid Bone

Answer 14

This bone lies at the level of the C3 Vertarae

Question 15

Thyroid Cartilage

Answer 15

Lies at the level of C4-5 Vertabrae

Question 16

Cricoid Cartilage

Answer 16

Lies at the level o the C7 Vertabrae

Question 17

Cruciform Ligament

Answer 17

This ligament consist of the transverse ligament of the atlas and the superior and inferior crus.

The strong ligament that lies posterior to the dens of the axis holding it against the anterior arch of the atlas; it consists primarily of the transverse ligament of the atlas that forms the cross-bar of the cross and is most important functionally, and the longitudinal bands of the cruciform ligament, thus forming the upright or vertical beams of the cross.

Question 18

Alar Ligament

Answer 18

This ligament functions to stabilize the occipitalatlantoaxial complex.

Question 19

Erector Spinae: Spinalis

Answer 19

Spinalis Capitis
Spinalis Cervicis
Spinalis Thoracis

Question 20

Erector Spinae: Longissimus

Answer 20

Longissimus Capitis
Longissimus Cervicis
Longissimus Thoracis

Question 21

Erector Spinae: Iliocostalis

Answer 21

iliocostalis Cervicis
Iliocostalis Thoracis
Iliocostalis Lumborum

Question 22

Deep Cranial Cervical Flexor Muscles

Answer 22

Longus Colli
Longus Capitis
Rectus Capitis Anterior
Rectus Capitis Posterior

Question 23

Lateral Muscles of the Neck

Answer 23

Sernocleidomastoid

Scalenes (as a group, flex)

• Anterior
• Middle
• Posterior