Anatomy of Head And Neck

Question 1

What are the 4 muscles of mastication

Answer 1

Temporalis, Masseter and 2 Pteygoids

Question 2

What are the 3 divisions of the Trigeminal Nerve

Answer 2

Va ophthalmic
Vb maxillary
Vc mandibular

Question 3

What are the 5 key extracranial branches of the facial nerve?

Clue: To Zanzibar by Motor Car

Answer 3

Temporal, Zygomatic, Buccal, Marginal mandibular and cervical

Question 4

Orbicularis Oris seals the mouth closed and purses lips together. Name a muscle responsible for opening the mouth and smiling?

Answer 4

Zygomaticus major and risorius

Question 5

What are the borders of the anterior triangle in the neck?

Answer 5

Anterior margin of SCM, midline of the neck and inferior margin of the mandible

Question 6

What are the borders of the posterior triangle?

Answer 6

Anterior margin of trapezius, posterior margin of SCM and the clavicle

Question 7

What are the contents of the neurovascular bundle surrounded by the carotid sheath?

Answer 7

Vagus nerve, internal jugular vein, common carotid artery