Anatomy

Question 1

Functions of upper GI tract?

Answer 1

Mastication (chewing)
Taste
Deglutition
Salivation

Question 2

Mastication?

Answer 2

Chewing

Controlled by movement of jaw (TMJ)

Involves muscles of TMJ, face and tongue

Question 3

Course of mandibular division of trigeminal nerve?

Answer 3

V3

From pons through foramen ovale to muscles of mastication and sensory area

Question 4

Course of the facial nerve?

Answer 4

From pontomedullary junction through temporal bone via internal acoustic meatus then stylomastoid foramen 
To supply 
        - Taste ant. 2/3rds tongue 
        - Muscles of facial expression
        - Glands in floor of mouth

Question 5

Course of hypoglossal nerve?

Answer 5

from medulla through hypoglossal canal to supply the intrinsic and extrinsic muscles of the tongue

Except palatoglossus

Question 6

Course of glossopharyngeal nerve?

Answer 6

From medulla through jugular foramen to the posterior wall of oropharynx (sensory), parotid gland (secretomotor) and posterior 1/3 tongue (sensation and taste)

Question 7

CN V2 course?

Answer 7

Maxillary division of trigeminal

From pons through foramen rotundum to the sensory area (mid-face)