Compartments of the Neck

Question 1

The hyoid bone is at what vertebral level?

Answer 1

C3

Question 2

The notch of thyroid cartilage is at what level?

Answer 2

C4

Question 3

The cricoid cartilage is at what level?

Answer 3

C6

Question 4

The suprasternal notch is at what level?

Answer 4

T2

Question 5

The angle of Louis is at what level?

Answer 5

T4/5

Question 6

What are the borders of the anterior triangle?

Answer 6

Superior- mandible
Laterally- sternocleidomastoid
Medially- sagital line down midline of neck

Question 7

What are the divisions of the anterior triangle?

Answer 7

Submental triangle
Submandibular triangle
Muscular triangle
Carotid triangle

Question 8

What does the carotid triangle contain?

Answer 8

1) Carotid sinus-baroreceptors that detect stretch- glossopharyngeal nerve sends this to brain
2) Internal jugular veins
3) Hypoglossal and vagus nerves
4) Common carotid artery

Question 9

What are the layers in the neck?

Answer 9

Skin
Fat (panniculus adiposus)
Platysma (penniculus carnosus) around front 
External jugular vein
4 layers of fascia

Question 10

What are the 4 layers of fascia in the neck?

Answer 10

Investing fascia/deep cervical fascia
Pretracheal fascia
Pre-vertebral fascia
Carotid sheath

Question 11

What are the benefits of the fascia?

Answer 11

Limit spread of infection, keep within fascia

Question 12

What are the symptoms from infection involving fascial spaces in neck?

Answer 12

Trismus- term used to describe any number of conditions that cause an uncotrolled inability to open mouth or jaw
Dysphagia- difficulty swallowing
Dyspnoea- laboured breathing

Question 13

What does the axillary sheath contain?

Answer 13

Part of brachial plexus

Axillary artery

Question 14

What is subcutaneous emphysema?

Answer 14

Gas under skin

Gas travels along fascia layers from chest up to neck usually

Question 15

What can cause subcutaneous emphysema?

Answer 15

Pneumothorax

Blocked chest tube

Question 16

Is the carotid artery behind or in front of the jugular vein in the neck?

Answer 16

The carotid artery is behind the jugular vein

Question 17

The internal carotid artery supplies which structures?

Answer 17

Brain

Question 18

External carotid artery supplies which structures?

Answer 18

Neck and face

Question 19

What is a brachial cyst?

Answer 19

It is on one side of neck present at birth and located in front of the sternocleidomastoid muscle, bulges out on the side

Question 20

Where is a cervical plexus block put in for anaesthesia at the neck?

Answer 20

Erbs point

Question 21

Where is it worst to have cancer in the neck?

Answer 21

The lower the level the cancer is the worst it is

Question 22

What is Virchow’s node?

Answer 22

Lymph node that drains into thoracic duct into left subclavian vein

Question 23

What is Troisiers sign?

Answer 23

Clinical finding of a hard and enlarged virchows node, sign of grastric cancer