The Neck

Question 1

Platysma: muscle of ___ ___. Motor nerve: ___ __. Sensory nerve: ___ ___

Answer 1

Facial expression. CN VII, cervical plexus

Question 2

SCM: actions (2). Nerve __ __

Answer 2

Lateral flexion to one side, extension of atlantooccipital joint bilaterally. CN XI spinal accessory

Question 3

Expect ___ in superficial veins

Answer 3

Variation

Question 4

Superficial veins of neck : ___ __ and __ __

Answer 4

Ant jugular and external jugular

Question 5

External jugular
Serves as ___ ___
Forms near the angle of the ___
Crosses the __ and terminates in the ___ ___

Answer 5

Internal barometer
Mandible
SCM, subclavian vein

Question 6

Brachiocephalic trunk on which side

Answer 6

Artery on right side

Question 7

Branches of subclavian artery: 2

Answer 7

Vertebral and internal thoracic (mammary)

Question 8

External carotid artery branches: 5

Answer 8

Superior thyroid, lingual, facial, maxillary, superficial temporal

Question 9

Branches of aorta and which side they’re on

Answer 9

Left subclavian, left common carotid, brachiocephalic trunk on right which branches into subclavian and carotid

Question 10

What some anatomists like fornicating others prefer s+m stands for

Answer 10

External carotid branches. Superior thyroid, ascending pharyngeal, lingual, facial, occipital, posterior auricular, superficial temporal, maxillary

Question 11

Where facial vein comes from

Where subclavian receives blood from

Where right and left subclavian empty

Answer 11

Subclavian vein

Axillary vein

SVC

Question 12

Where cervical plexus emerges

What it’s known as

Answer 12

Middle of posterior border of SCM

Nerve point of the neck

Question 13

Origin of cervical plexus

Answer 13

Ventral rami of spinal nerves C1-C4

Question 14

4 nerves of cervical plexus

Answer 14

Transverse cervical
Lesser occipital
Great auricular
Supra clavicular

Question 15

Vagus nerve emerges from ___ foramen and descends within __ __, behind and between __ __ vein and internal/___ __ artery

Answer 15

Jugular, carotid sheath, internal jugular, common carotid

Question 16

Vagus nerve contributes to ___ plexus and provides ___ innervation to muscles of __, __, and ___

Answer 16

Pharyngeal, motor, pharynx, larynx, and palate

Question 17

Recurrent laryngeal nerves: loop ____ around __ __ artery (right) and ___ arch (left)

Answer 17

Posteriorly, right subclavian, aortic

Question 18

Recurrent laryngeal nerves ascend in the grooves between __ and ___ posterior to the lobes of the ___ gland

Answer 18

Trachea, esophagus, thyroid

Question 19

Recurrent laryngeal nerves: ___ innervation to pharynx and inferior ___

Answer 19

Sensory, larynx

Question 20

Recurrent laryngeal nerves: ___ innervation to all muscles of ___ except cricothyroid

Answer 20

Motor, larynx

Question 21

Superior laryngeal nerves: internal laryngeal nerve provides ___ innervation to mucous membranes of the superior ____

Answer 21

Sensory

Larynx

Question 22

External laryngeal nerve: ___ innervation to the ___ muscle

Answer 22

Motor, cricothyroid

Question 23

Phrenic nerve

Origin: 3

Answer 23

C3, C4, C5

Question 24

Phrenic nerve travels __ along surface of the anterior ___ muscle. Enters ___. __ and __ to diaphragm

Answer 24

Inferiorly, scalene, thorax, sensory and motor

Question 25

Phrenic nerve controls which side of diaphragm

Answer 25

Ipsilateral

Question 26

Cervical sympathetic trunks lie anterior to __ __ in the ___ space.

Answer 26

Vertebral column | Retro pharyngeal

Question 27

Cervical sympathetic trunks: 3 ganglia receive __ fibers (names)

Answer 27

Presynaptic Inferior cervical ganglion Middle cervical ganglion Superior cervical ganglion

Question 28

Postsynaptic neurons in neck send fibers to: cervical ___ nerves via ___ rami communicans. Thoracic viscera via ___ ___ nerves.

Answer 28

Spinal Gray Cardiopulmonary sphlanic nerves

Question 29

Postsynaptic neurons send fibers to: ___ and viscera of the neck via ___ arterial branches (____ artery and ___ arteries)

Answer 29

Head, cephalic, vertebral, carotid

Question 30

Brachial plexus Roots __-__ of it merge between the __ and __ scalene. Trunks pass between the __ and first __ into the upper ___

Answer 30

C5-T1. Anterior and middle. | Clavicle, rib, limb

Question 31

Carotid sheath: contains __ __ vein, __ __ artery, and __ nerve

Answer 31

Internal jugular, common carotid, vagus

Question 32

Investing layer of neck: surround the entire neck __ to the skin and __ tissue

Answer 32

Deep, subcutaneous

Question 33

Pre tracheal layer of neck; ___, ___ to the hyoid bone

Answer 33

Anterior, inferior

Question 34

Hyoid bone: doesn't ___ with other ___. Functions as an ___ for anterior neck ___. Prop to keep ___ open.

Answer 34

Articulate, bones. Attachment, muscles, airway

Question 35

Thyroid: lobes located ____, between ___ __ and ___ tracheal ring

Answer 35

Anterolaterally, thyroid cartilage, fifth

Question 36

Thyroid pyramidal lobe: ___ process extending superiorly from ___, present in __% of people

Answer 36

Conical, isthmus, 40

Question 37

Superior and inferior thyroid arteries: arise from __ __ and ___ trunk respectively

Answer 37

External carotid and thyrocervical

Question 38

Thyroid __ artery present in <10% of people

Answer 38

Ima

Question 39

Cricoid is at what level

Answer 39

C6

Question 40

Hyoid has no __ articulation __ and __ muscles suspend the hyoid bone at the angle between the __ and __

Answer 40

Bony Suprahyoid and infra hyoid, chin and neck

Question 41

Supra hyoid muscles: ___/__ the hyoid. Constitute substance at __ of mouth. 4 muscles

Answer 41

Elevate/support Roof Mylohyoid, geniohyoid, stylohyoid, digastric (anterior/posterior)

Question 42

Infra hyoid muscles: ___ muscles. ___ hyoid bone. 4

Answer 42

Strap. Depress. Sternohyoid, sternothyroid, thyrohyoid, omohyoid

Question 43

Anterior triangle of neck: bordered by anterior __ __, inferior border of the ___, and ___

Answer 43

Cervical midline, mandible, sternocleidomastoid

Question 44

Posterior triangle of the neck: bordered by __, __, and anterior border of the __

Answer 44

SCM, clavicle, trapezius

Question 45

Submandibular anterior triangle: bordered by __ and __ bellies of __. Inferior border of __

Answer 45

Anterior and posterior bellies of digastric. | Mandible

Question 46

Submandibular anterior triangle: contains submandibular __ __, submandibular __, ___ vein and artery, ___ nerve, and ___ muscle

Answer 46

``` Lymph nodes Gland Facial Hypoglossal Stylohyoid ```

Question 47

Muscular anterior triangle: bordered by superior belly of __, anterior ___ midline, __ __ of SCM

Answer 47

Omohyoid Cervical Lower part

Question 48

Anterior muscular triangle Contains ___ __ muscles. 4 ___ hyoid during swallowing and ___

Answer 48

Infra hyoid strap. Sternothyroid, sternohyoid, omohyoid (superior belly), thyrohyoid Depresses, speaking

Question 49

Carotid anterior triangle: | Bordered by __ belly of __, __ belly of __, and __ part of the SCM

Answer 49

Posterior/digastric, superior/omohyoid, upper

Question 50

Carotid anterior triangle | Contains: __ __ artery, __ __ artery and branches, __ __ artery, __ body, __ __ vein, and __ nerve

Answer 50

Common carotid, external carotid, Internal carotid, carotid, Internal jugular, vagus

Question 51

Sub mental anterior triangle Bordered by __ bellies of __. ___ of the hyoid. Contains ___ muscles

Answer 51

Anterior, digastric. Body Mylohyoid

Question 52

Posterior triangle | Bordered by 3

Answer 52

SCM, clavicle, ant border of trapezius

Question 53

Posterior triangle | Contains __ __ vein, ___ plexus, __ nerve, __ and ___ scalenes, ___ artery, __ and __ of __ plexus

Answer 53

``` External jugular Cervical Accessory Anterior and middle Subclavian Roots and trunks of brachial ```

Question 54

Root of the neck | Arteries: 3

Answer 54

Brachiocephalic trunk on right side Subclavian (vertebral and internal thoracic/mammary) Common carotid

Question 55

Root of the neck veins 3

Answer 55

Brachiocephalic, IJ, subclavian

Question 56

Root of the neck muscles: 2

Answer 56

Anterior and middle scalenes

Question 57

Root of the neck nerves: 4

Answer 57

Roots and trunks of brachial plexus Phrenic nerve Vagus nerve Sympathetic trunk