Part II - mix from Dr Borman’s pre-class review questions

Question 1

What is the V shape groove that separates the tongue?

Answer 1

Sulcus terminalis (separates into anterior 2/3 and posterior 1/3)

Question 2

What is the general sensory nerve for the anterior 2/3 of the tongue? And this nerve is a branch of what?

Answer 2

Lingual nerve - branch of Mandibular n (V3)

Question 3

What is the general sensory nerve for the posterior 1/3 of the tongue?

Answer 3

Glossalpharangeal CN 9

Question 4

Taste innervation to anterior 2/3 of tongue?

Answer 4

First start passing through lingual nerve… but jump to corda tympani to get to facial nerve.

Question 5

Taste innervation to posterior 1/3 of tongue?

Answer 5

Still CN 9 - glossolpharangeal

Question 6

What type of cartilage is the nose?

Answer 6

Hyaline cartilage

Question 7

General sensory innervation to the mucosa of the nasal cavity? Where is the sense of smell carried back by?

Answer 7

Via V2 - maxillary; Olfactory CN 1

Question 8

What is the arterial supply to walls of nasal cavity? (And name the branch it comes from.)

Answer 8

Sphenopalatine artery; maxillary artery

Question 9

Frontal sinus exits/drains into which space in nasal cavity?

Answer 9

Middle nasal meadis

Question 10

Ethmoidal air cells drain into where?

Answer 10

Superior and middle nasal meadi

Question 11

Where does the sphenoid sinus drain to?

Answer 11

Sphenoethmoidal recess

Question 12

Where does maxillary sinus drain to?

Answer 12

Middle nasal meadis

Question 13

What is the purpose of having all the surface area of the sinuses? (3)

Answer 13

Warm it up
Moisten it
Filter out particulate matter