Anterior Triangle and Root of Neck

Question 1

Sternocleidomastoid receive (SA/GE/GA/VE/VA) from CN ___

Answer 1

GE, spinal accessory CN XI

Question 2

The anterior and posterior triangles of the neck are divided by

Answer 2

sternocleidomastoid

Question 3

Which muscles are associated with the anterior triangle of the neck?

Answer 3

muscles associated with the hyoid bone (suprahyoid and infrahyoid muscles)

Question 4

Thyroid and parathyroid glands are located where in the neck?

Answer 4

Anterior triangle

Question 5

larynx and trachea are located where in the neck?

Answer 5

Anterior triangle

Question 6

Esophagus is located where in the neck?

Answer 6

anterior triangle

Question 7

external jugular vein and spinal accessory nerve are located where in the neck?

Answer 7

Lateral (posterior) triangle

Question 8

Elevation and depression of the hyoid bone is crucial for what function?

Answer 8

swallowing

Question 9

A: raise the hyoid bone and/or depress the mandible

Answer 9

suprahyoid muscles

Question 10

Which hyoid muscle depresses the hyoid bone?

Answer 10

infrahyoid muscle

Question 11

What muscle do these belong to?

omohyoid, thyrohyoid, sternothyroid, and sternohyoid?

Answer 11

infrahyoid

Question 12

The superior belly of the omohyoid muscle is in the ___ triangle, and the inferior belly is in the ___ triangle of the neck

Answer 12

anterior, posterior

Question 13

CN: omohyoid

Answer 13

ansa cervicalis

Question 14

A: of omohyoid

Answer 14

depresses the hyoid bone

Question 15

CN: Sternohyoid muscle

Answer 15

ansa cervicalis

Question 16

A: Sternohyoid muscle

Answer 16

depresses the hyoid bone

Question 17

CN: Thyrohyoid

Answer 17

C1 that hitchhikes along the hypoglossal nerve (XIII)

Question 18

A: Thyrohyoid

Answer 18

depresses the hyoid bone

Question 19

CN: Sternothyroid

Answer 19

ansa cervicalis

Question 20

A: Sternothyroid

Answer 20

depresses hyoid bone

Question 21

A: mylohyoid

Answer 21

pulls hyoid anteriorly

Question 22

These muscles are innervated by Ansa cervicalis

Answer 22

omohyoid
Sternohyoid
Sternothyroid

Question 23

These muscles are innervated by V3

Answer 23

Mylohyoid

Digastric - anterior belly

Question 24

These muscles elevated hyoid and depress the mandbile

Answer 24

2 digastrict muscles

Stylohyoid

Question 25

These muscles depress the hyoid

Answer 25

omohyoid Sternohyoid Sternothyroid Thyrohyoid

Question 26

The thyrohyoid and sternothyroid muscles also act on what structure?

Answer 26

larynx

Question 27

All infrahyoid muscles receive (GA/GE) from _____

Answer 27

GE, C1 that hitchhike on the hypoglossal nerve (XII)

Question 28

``` Where are these structures located? esophagus Trachea Superior parts of the lungs Sternocleidomastoid Trapezius Subclavian artery Internal and external jugular veins ```

Answer 28

Root of the neck

Question 29

Branches of the subclavian artery (vertebral) are located where in the neck?

Answer 29

root of the neck

Question 30

Where are the internal jugular and external jugular veins located?

Answer 30

Root of the neck

Question 31

``` Where are these structures located in the neck? Phrenic nerve vagus nerve Cervical parts of the sympathetic chain Brachial plexus ```

Answer 31

Root of the neck

Question 32

Skin of the neck is innervated by what type of fibers?

Answer 32

General afferent

Question 33

Muscles of the neck are innervated by what type of fibers?

Answer 33

General efferent

Question 34

Glands and blood vessels of the neck are innervated by what type of fibers?

Answer 34

Visceral efferent

Question 35

Cervical plexus is formed by the ____ rami of the first # cervical nerves

Answer 35

ventral, 4

Question 36

The cervical plexus gives these off these types of fibers

Answer 36

GA VE GE

Question 37

The cervical plexus receives communication fibers from the (symp,parasym) nervous system

Answer 37

sympathetic

Question 38

C2-4 Cervical plexus

Answer 38

Cutaneous branches

Question 39

Cutaneous branches (C2-4) carry ___ information from the ___

Answer 39

General Afferent, skin of the neck

Question 40

C1-3 Cervical plexus

Answer 40

Ansa cervicalis

Question 41

Ansa cervicalis provides __ innervation to the ____ except the ____ muscle

Answer 41

GE, infrahyoid muscles, thyrohyoid muscle

Question 42

C1-4 cervical plexus

Answer 42

Deep muscular branches

Question 43

Deep muscular branches provide ___ to _____

Answer 43

GE, deep cervical muscles

Question 44

C3-5 cervical plexus

Answer 44

Phrenic nerve

Question 45

Phrenic nerve innervates

Answer 45

the diaphragm

Question 46

Vagus (X) nerve exits the cranial cavity through the

Answer 46

jugular foramen

Question 47

After exiting the skull, the vagus nerve enters the

Answer 47

carotid sheath

Question 48

Vagus Nerve -> jugular foramen -> carotid sheath -> descends behind internal jugular vein -> internal carotid -> common carotid

Answer 48

remember this

Question 49

Vagus nerve has which branches in the neck?

Answer 49

pharyngeal, laryngeal, and cardiac branches in the neck

Question 50

Spinal accessory nerve exits the skull through

Answer 50

jugular foramen

Question 51

Spinal accessory nerve supplies what with what kind of fibers?

Answer 51

SCM and trapezius with GE fibers

Question 52

Hypoglossal (XII) nerve leaves the cranial cavity through what?

Answer 52

hypoglossal canal

Question 53

The target organ for the hypoglossal (XII) nerve is?

Answer 53

tongue

Question 54

What nerves innervate the thyrohyoid and the geniohyoid

Answer 54

C1 of Cervical plexus

Question 55

What nerve does C1 travel with?

Answer 55

hypoglossal canal

Question 56

C1 and the hypoglossal nerve form what structure? What type of fibers do they provide to the thyrohyoid and geniohyoid?

Answer 56

superior root of ansa cervicalis, General efferent

Question 57

The Superior cervical ganglion are part of the (symp/parasymp) autonomic system

Answer 57

sympathetic

Question 58

Where is the location of the superior cervical ganglion?

Answer 58

level of the 2nd and 3rd cervical vertebrae

Question 59

Superior cervical ganglion communicates with

Answer 59

Cervical plexus (C1-4)

Question 60

The post sympathetic fibers leave the superior cervical ganglion to form a ____ around the internal carotid artery to supply the structures of the head.

Answer 60

sympathetic plexus