Head and Neck

Question 1

Superior laryngeal nerve

Answer 1

Branch of vagus nerve
Smaller external - cricothyroid
Bigger internal - sensation to larynx above level of vocal cords

Question 2

Cavernous sinus anatomy

Answer 2

Beneath and lateral to pituitary gland.

Extends from superior orbital fissure to apex of petrous part of temporal bone behind.

Question 3

contents of cavernous sinus

Answer 3

OTOM (up to down) CAT (medial to lateral)
oculomotor nerve
trochlear nerve
opthalmic div of tri VI
maxillary div of tri V2
carotid artery 
abducens nerve