Neck 2

Question 1

Submental triangle boundaries

Answer 1

Lateral: Anterior belly of digastric m.
Lateral: anterior belly of digastric m.
Inferior: hyoid bone
Floor: mylohyoid m.

Question 2

Submental triangle contents

Answer 2

submental lymphatics

Question 3

Muscular triangle boundaries

Answer 3

Superior: superior belly of omohyoid m.
Medial: midline of neck
Lateral: sternocleidomastoid m.

Question 4

Muscular triangle contents

Answer 4

Infrahyoid muscles
Viscera of neck

Question 5

Posterior triangle boundaries

Answer 5

Anterior: sternocleidomastoid m.
Posterior: trapezius m.
Inferior: clavicle
Roof: outer investing layer of deep cervical fascia
Floor: muscles, prevertebral fascia

Question 6

Posterior triangle contents

Answer 6

Subclavian v. & a., transverse cervical artery, suprascapular a., CN XI, brachial plexus (trunks), cervical plexus, phrenic n.

Question 7

occipital triangle boundaries

Answer 7

Anterior: sternocleidomastoid m.
Posterior: trapezius m.
Inferior: inferior belly omohyoid m.

Question 8

Supraclavicular triangle Boundaries:

Answer 8

Anterior: sternocleidomastoid m.
Superior: inferior belly omohyoid m.
Inferior: clavicle

Question 9

What are the Infrahyoid muscles

Answer 9

Sternohyoid muscle
Sternothyroid muscle
Thyrohyoid muscle
Omohyoid muscle

Question 10

The spinal accessory nerve innervates the. Which triangle is it found in?

Answer 10

Sternocleidomastoid & trapezius

Posterior

Question 11

What are the 4 sensory branches of the cervical plexus? Which ones are on top of the sternocleidomastoid?

Answer 11

lesser occipital nerve
greater auricular nerve
transverse cervical nerve
Supraclavicular nerve

1st 3 listed are on top

Remember LET’S GO TO SLEEP

Question 12

where is the cervical plexus located?

Answer 12

deep to sternocleidomastoid & external jugular vein

Question 13

Cervical plexus has VPR’s of

Answer 13

C1-C4

Question 14

What is the great auricular nerve?

Answer 14

Gives sensory to part of the mandible, like the trigeminal nerve

Question 15

What are the motor branches of the cervical plexus?

Answer 15

Muscular branches (geniohyoid thyrohyoid & sternohyoid sternothyroid omohyoid)
Ansa Cervicalis
phrenic nerve

REMEMBER MAP

Question 16

Define torticollis

Answer 16

pharmacological, genetic, or pathological condition where the neck is artificially twisted

Question 17

The recurrent laryngeal nerve in the lower neck provides ___ innervation to the ___

Answer 17

Provides motor & sensory innervation to the larynx

Question 18

Where do the right & left recurrent laryngeal nerve arise from?

Answer 18

Right = in front of subclavian artery & goes along trachea posterior to common carotid artery

Left = from vagus to the left arch of the aorta

Question 19

Label the fascia

Answer 19

Question 20

What are the types of viscera in the muscular triangle?

Answer 20

Trachea & thyroid gland

Question 21

What are the branches of the thyroid gland? What are the veins?

Answer 21

Superior thyroid artery & inferior thyroid artery

Superior, middle, & inferior thyroid vv.

Question 22

Components of the anterior triangle

Answer 22

Submental
Submandibular
Carotid
Muscular

Question 23

Components of the posterior triangle

Answer 23

Occipital & supraclavicular

Question 24

Infrahyoid innervation

Answer 24

ansa cervicalis or C1 only

Question 25

The thyroid gland has ___ & ___ homeostasis

Answer 25

parathyroid & calcium