Posterior Neck

Question 0

All neck structures are surrounded by this fascia

Answer 0

Superficial fascia

Question 1

Structures in the neck are compartmentalized by?

Answer 1

Deep cervical fascia

Question 2

They determine the direction that an infection may spread in the neck

Answer 2

Fascial planes

Question 3

Broad, thin sheet of muscle in cervical subcutaneous tissue

Answer 3

Platysma

Question 4

Innervation and action of platysma

Answer 4

Cervical branch of cn7

Tense skin, depress mandible, draw corner of mouth inferiorly (grimace)

Question 5

Three layers of deep cervical fascia

Answer 5

Investing, pretracheal, prevertebral

Question 6

What are enclosed by the investing layer of deep cervical fascia?

Answer 6

Trapezius, scm, parotid gland, submandibular gland

Question 7

Triangular membrane that forms median fibrous septum between muscles of two sides of neck

Answer 7

Nuchal ligament

Question 8

Space formed between two layers of investing layer that encloses SCM

Answer 8

Suprasternal space

Question 9

Muscles enclosed by pretracheal layer of fascia

Answer 9

Infrahyoid muscles

Question 10

Viscera enclosed by pretracheal layer

Answer 10

Thyroid gland, trachea, esophagus

Question 11

Thickening of pretracheal layer forms a pulley for the tendon of what muscle?

Answer 11

Digastric

Question 12

Muscle tethered by the pretracheal layer of fascia

Answer 12

Omohyoid

Question 13

Which side of the pretracheal layer merges with the carotid sheath

Answer 13

Lateral

Question 14

Fascial layer which forms a tubular sheath for the vertebral column and the associated muscles

Answer 14

Prevertebral layer

Question 15

Contents of carotid sheath

Answer 15

Common and internal carotid artery, internal jugular vein, vagus nerve, some deep cervical nerves, carotid sinus nerve, sympathetic nerve fibers

Question 16

Another name for the posterior cervical triangle

Answer 16

Lateral cervical region

Question 17

Anterior border of posterior triangle

Answer 17

Posterior border of SCM

Question 18

Posterior border of posterior triangle

Answer 18

Anterior trapezius

Question 19

Inferior border of posterior triangle

Answer 19

Middle third of clavicle

Question 20

Apex of posterior triangle

Answer 20

Superior nuchal line, meeting point of trapezius and scm

Question 21

Roof of posterior triangle

Answer 21

Investing layer of deep cervical fascia

Question 22

Floor of the posterior triangle

Answer 22

Splenius capitis, levator scapulae, middle scalene, posterior scalene

Question 23

Superior division of posterior triangle

Answer 23

Occipital triangle

Question 24

Inferior division of posterior triangle

Answer 24

Omoclavicular triangle / subclavian triangle

Question 25

Artery in the apex of occipital triangle

Answer 25

Occipital artery

Question 26

Most important nerve in the occipital triangle

Answer 26

Spinal accessory nerve

Question 27

The pulse of what artery is felt in the omoclavicular triangle

Answer 27

Subclavian artery

Question 28

Landmark for subclavian artery

Answer 28

Greater suprascapular fossa

Question 29

Landmark for internal jugular vein

Answer 29

Lesser supraclavicular fossa

Question 30

Three major arteries in the posterior cervical region

Answer 30

Thyrocervical trunk, third part of subclavian artery, occipital artery

Question 31

Branches of the thyrocervical trunk

Answer 31

Suprascapular artery, cervicodorsal trunk, ascending cervical artery, inferior thyroid artery

Question 32

Bifurcations of the cervicodorsal trunk

Answer 32

Superficial cervical artery, dorsal scapular artery

Question 33

Blood vessels of nerves supplied by cervicodorsal trunk

Answer 33

Vasa vasorum

Question 34

Union of which two veins begin the external jugular vein

Answer 34

Retromandibular vein and posterior auricular vein

Question 35

Veins received by external jugular vein

Answer 35

Cervicodorsal, suprascapular, anterior jugular

Question 36

Vein which curves in the inferior posterior triangle

Answer 36

Subclavian vein

Question 37

Lymphatic drainage of posterior triangle

Answer 37

Superficial cervical and deep cervical lymph nodes

Question 38

Roots of the cervical plexus

Answer 38

C1-c4

Question 39

Cervical plexus root which does not divide to ascending and descending branches

Answer 39

C1

Question 40

Muscle superficial to the cervical plexus

Answer 40

Sternocleidomastoid

Question 41

Superficial cutaneous branches of the neck

Answer 41

Erb's point

Question 42

Superior root of ansa cervicalis

Answer 42

Cn 12, c1 , c2

Question 43

Inferior root of ansa cervicalis

Answer 43

C2 and c3

Question 44

Region posterior to the anterior borders of trapezius

Answer 44

Posterior cervical region

Question 45

Innervation of the diaphragm

Answer 45

Phrenic nerve

Question 46

Innervation of thyrohyoid

Answer 46

C1

Question 47

Muscles innervated by ansa cervicalis

Answer 47

Omohyoid, sternohyoid, sternothyroid

Question 48

Infrahyoid muscle not innervated by ansa cervicalis

Answer 48

Thyrohyoid

Question 49

Manifestation of paralyzed trapezius

Answer 49

Drooped shoulder

Question 50

Superficial intrinsic muscle of posterior cervical region

Answer 50

Splenius capitis, splenius cervicis

Question 51

Action of the splenius muscles

Answer 51

Flex, extend, rotate head and neck

Question 52

Intermediate intrinsic muscles of the posterior cervical region

Answer 52

Longissimus capitis, spinalis cervicis

Question 53

Action of longissimus capitis and spinalis cervicis

Answer 53

Extend head and flex neck

Question 54

Deep intrinsic muscles of the posterior cervical region

Answer 54

Semispinalis capitis, multifidus, rotatores, interspinales, intertransversarri

Question 55

Innervation of the intrinsic muscles of the posterior cervical region

Answer 55

Dorsal rami of c1-4

Question 56

Pyramidal space deep to trapezius and inferior to posterior aspects of c1 and c2

Answer 56

Suboccipital region

Question 57

Blood supply of the brainstem which passes through the suboccipital region

Answer 57

Circle of willis

Question 58

Major structures in suboccipital triangle

Answer 58

C1, c2, occiput

Question 59

Superficial boundary of suboccipital triangle

Answer 59

Trapezius and splenius capitis

Question 60

Roof of suboccipital triangle

Answer 60

Semispinalis capitis

Question 61

Floor of suboccipital triangle

Answer 61

Atlanto-occipital membrane, arch of atlas

Question 62

Muscles of the suboccipital region

Answer 62

Rectus capitis posterior major, obliquus capitis superior, obliquus capitis inferior, rectus capitis posterior minor

Question 63

Suboccipital muscle which does not demarcate the triangle

Answer 63

Rectus capitis posterior minor

Question 64

Artery in suboccipital region which pierces the atlanto-occipital membrane

Answer 64

Vertebral artery

Question 65

Foramen where artery passes through

Answer 65

Foramen transversarii (transverse foramen of cervical spine)

Question 66

Action of suboccipital muscles

Answer 66

Rotation of head

Question 67

Innervation of suboccipital muscles

Answer 67

Suboccipital nerve (c1)