Important information for the exam form lab

Question 1

Paranasal sinuses

The paranasal sinuses are air filled, mucosa lined expansions of the nasal cavity that extend into the adjacent sphenoid, ethmoid, frontal and maxillary bones. The ethmoid sinuses are comprised of a series of air cells.

The anterior and middle air cells open into the ___1______, and the posterior air cells open into the ____2_______.

The frontal and maxillary sinuses open into the ____1_____ and the sphenoidal sinus opens into the ___________ posterior to the superior concha.

Answer 1

1- middle meatus

2- superior meatus

3-*sphenoethmoidal recess

Question 3

The oral cavity extends from the lips to the oropharyngeal isthmus (at the ____________). It is subdivided into the vestibule and the oral cavity proper.

Answer 3

palatoglossal arch

Question 4

The _________ is the space between the lips and cheeks, and the teeth and gingivae. The roof is the hard palate and the floor is the *mylohyoid muscle.

Answer 4

vestibule

Question 5

The pharyngotympanic tubes open into the __________.

Answer 5

nasopharynx