Nasal Cavity: Paranasal Sinuses

Question 1

T/F: The paranasal sinuses are found within the bones of the face.

Answer 1

True

Question 2

T/F: Most of the sinuses open into the nasal cavity.

Answer 2

False: ALL paranasal sinuses open into the nasal cavity

Question 3

The formation of the paranasal sinuses are related to…?

Answer 3

1) Wolff’s Law

2) To decrease the weight of the skull

Question 4

Which sinus opens into the hiatus semilunaris of the middle frontonasal duct?

Answer 4

Frontal sinus

Question 5

Which of the paranasal sinuses is the largest?

Answer 5

Maxillary sinus

Question 6

Which paranasal sinus opens into the hiatus semiluaris within the middle meatus?

Answer 6

Maxillary sinus

Question 7

This sinus lies on each side, just lateral to the nasal cavity, and inferior to the orbit?

Answer 7

Maxillary sinus

Question 8

Which sinus opens into teh sphenoethmoidal recess?

Answer 8

Sphenoidal sinus

Question 9

This sinues consists of several groups of cells within the ethmoid bone between the orbit and nasal cavity

Answer 9

Ethmoidal sinus

Question 10

What are the names of the are pockets that form the ethmoidal sinus?

Answer 10

Ethmoidal cell (sometimes called ethmoidal air cells)

Question 11

The posterior ethmoidal cells open into what?

Answer 11

Superior meatus

Question 12

The middle ethmoidal cells open into what?

Answer 12

the ethmoidal bulla within the middle meatus

Question 13

The anterior ethmoidal cells open into what?

Answer 13

The hiatus semiluaris within the middle meatus