General Organisation Of Head And Neck

Question 1

What are the two sections of the cranium (skull)?

Answer 1

Neurocranium and viscerocranium

Question 2

What nerve supplies the muscles of mastication?

Answer 2

Mandibular branch of the trigeminal nerve

Question 3

What nerve up poles the muscles of facial expression?

Answer 3

Facial nerve

Question 4

What are the five branches of the facial nerve?

Answer 4

Temporal
Zygomatic
Buccal 
Marginal mandibular
Cervical

Question 5

Which gland does the facial nerve pass through?

Answer 5

The parotid gland

Question 6

What are the three branches of the trigeminal nerve?

Answer 6

Opthalmic, maxillary, mandibular

Question 7

What muscle in the neck is found within the superficial cervical fascia?

Answer 7

Platysma

Question 8

What forms the floor of the posterior triangle?

Answer 8

The scalene muscles

Question 9

What muscle elevates the shoulders?

Answer 9

Trapezius

Question 10

What structures can be found within the posterior triangle?

Answer 10

External jugular vein, brachial plexus trunks, subclavian artery/vein and omohyoid muscle

Question 11

What are the boundaries of the carotid triangle?

Answer 11

Medially: superior belly of omohyoid
Superiorly: posterior belly of digastric
laterally: SCM

Question 12

Why is the carotid triangle triangle important clinically?

Answer 12

The carotid sheath and its contents are within it and ready accessible as not covered over by SCM

Question 13

What are the branches of the external carotid artery? (some anatomists like freaking out poor medical students)

Answer 13

Superior thyroid, ascending pharyngeal, lingual, facial, occipital, posterior auricular, maxillary, superficial temporal