General Organisation Head And Neck session1

Question 1

Which joint connects the neurocranium to the viserocranium?

Answer 1

Temporomandibular joint

Question 2

Nerve to nuscles of facial expression

Answer 2

Facial nerve - cranialnerve7

Question 3

Nerve to muscles of mastication

Answer 3

Canial nerve 5 - branch of trigeminal nerve

Question 4

Five key extra cranial branches of facial nerve

Answer 4

Temporal, zygomatic, buccal, marginal mandibular, cervical

Question 5

What could inflammation of the parotid gland be caused by?

Answer 5

Mumps but if paired with facial nerve problems could be cancer

Question 6

Three key branches of trigeminal nerve/ cranial nerve 5

Answer 6

• Va ophthalmic division (to above nostrils, mid scalp)
• Vb maxillary division (nostrils to top lip)
  -Vc mandibular (bottom lip, side of face)
  Sensory nerve to face ^^
  Also motor nerve to MOM

Question 7

3 blood vessels of head and neck anatomy and muscle between

Answer 7

External jugular vein - sternocleiomastoid - internal JV face - common carotid artery (becomes internal and external face)

Question 8

5 cartilages and glands in neck

Answer 8

Hyoid bone - thyroid cartilage - cricoid cartilage - thyroid gland - trachea

Question 9

7 muscles of facial expression and action

Answer 9

POO ZORB
Risorius - pulls corners of mouth laterally

Zygomaticus - draws angles of mouth laterally and superiorly

Orbicularis oculi - closes eyelids (palpebral) / squeezes shut (orbital part)

Orbicularis oris - brings lips together/ purses

Platysma- depresses angles mouth

Occipitofrontalis- elevates eyebrows, wrinkles forehead

Buccinators - keep cheeks taut

Question 10

4 muscles of mastication and actions

Answer 10

Temporalis- elevates mandible, retracts jaw

Masseter- elevates mandible

Medial pterygoid- elevates mandible, protrudes

Laaaateral pterygoid- depresses mandible (+suprahyoids), protrudes

Question 11

6 muscles of neck and actions

Answer 11

PST sing it, sing!

Platysma- tenses skin

Sternocleiomastoid- rotates head contralateral side and laterally flexes neck

Trapezius- elevates shoulders, rotates shoulders when arm abducted >90

Suprahyoid group- elevates hyoid, depress mandible

Infrahyoid group- depress hyoid, stabilise

Scalene (A/P/M) - accessory respiration

Question 12

Borders of posterior triangle

Answer 12

SCM, trapezius, clavicle

Question 13

Borders of anterior triangle

Answer 13

SCM, mandible, imaginary middline

Question 14

Borders of carotid triangle

Answer 14

SCM, omohyoid superior belly, digastric posterior belly

Question 15

Contents of carotid sheath

Answer 15

IJV, common carotid artery, vagus nerve

Question 16

Layers of neck diagram slide 27

Answer 16

Investing layer- invests everything

Pretracheal layer

Buccopharangeal fascia

Retropharyngeal space

Prevertebral layer