Nasal Cavity Flashcards
1
Q
What is the nasal cavity and oral cavity connected through
A
It’s connected through the Nasopharynx (back of the throat)
2
Q
How many paranasal sinuses are there and what are they called
A
There are 4:
-frontal sinus
-sphenoid sinus
-ethmoid air cells
-maxillary sinus
3
Q
What are the 4 paranasal sinus lined with
A
Ciliated pseudostratified epithelium scattered with mucus secreting goblet cells
4
Q
What are the functions of the paranasal sinuses
A
. Lightening weight of the head
. Humidifying air
. Supporting immune defense of nasal cavity
. Increasing fullness of voice
5
Q
What is the sinus infection called
A
It’s when the upper respiratory infection goes to the sinus which is called sinusitis, this can also cause sensitivity to the maxillary teeth
