Part 1 (Nose & Paranasal air sinus)

Question 1

What is the anterior nasal opening called?

Answer 1

Nostrils (nares)

Question 2

What is the posterior nasal opening called?

Answer 2

Choana

Question 3

How is the nasal cavity divided into Rt & Lt ?

Answer 3

Nasal septum

Question 4

What are the elevations on the lateral wall of the nasal cavity called?

Answer 4

Turbinates (conchae)

Question 5

What does the roof of the nasal cavity contain?

Answer 5

Olfactory mucosa, from which arise Olfactory nerve

Question 6

What forms the floor of the nasal cavity?

Answer 6

Palate

Question 7

What are the 4 paranasal air sinuses?

Answer 7

Frontal, Ethmoidal, Sphenoidal, Maxillary

Question 8

What is the shape of the maxillary air sinuses?

Answer 8

Pyramidal, above Orbit & below to Alveolar process of maxilla

Question 9

Where does the maxillary sinus open?

Answer 9

Nasal cavity, to High up

Question 10

Name the nerve related to maxillary air sinuses (runs in the roof of the maxillary sinus) :

Answer 10

Infraorbital nerve

Question 11

Name 3 nerves related to maxillary air sinuses (run in the lateral wall of the maxillary sinus) :

Answer 11

Anferior superior alveolar, Middle superior alveolar, Posterior superior alveolar nerves

Question 12

Floor of the nasal cavity is formed by palate which separates :

Answer 12

Nasal cavity from Oral cavity