nasal and oral regions

Question 1

what is the inferior portion of the nose made from

Answer 1

hyaline cartilage

Question 2

what are the names of the hyaline cartilages in the nose

Answer 2

• lateral
• major alar
• minor alar
• septal cartilage

Question 3

how does the nasal cavity communicate with the nasopharynx

Answer 3

posterior nasal apertures

Question 4

what forms the floor of the nasal cavity

Answer 4

palate

Question 5

where is nasal vestibule found

Answer 5

from the nostrils to the upper edge of the major alar cartilage

Question 6

what is the piriform aperture

Answer 6

bony entrance of the nasal cavity

Question 7

what is the olfactory region of the nose

Answer 7

superior nasal concha and superior part of the septum
- has olfactory epithelium with olfactory receptors

Question 8

what arterial supply does the nasal cavity have

Answer 8

• anterior and posterior arteries
• greater palatine artery
• sphenopalatine artery

Question 9

what venous drainage does the nasal cavity have

Answer 9

• facial vein
• ethmoid vein
• pterygoid plexus
• pharyngeal pleuxs

Question 10

what lymphatic drainage does the nasal cavity have

Answer 10

retropharygeal nodes and deeper anterior cervical nodes

Question 11

what are the paranasal sinuses

Answer 11

• forntal sinus
• maxillary sinus
• ethmoid air cells
• sphenoid sinus
• lacrimal drainage

Question 12

what is the floor of the oral cavity formed by

Answer 12

oral diaphragm and tongue

Question 13

what is the oral fissure

Answer 13

entrance to oral cavity

Question 14

what is the oropharyngeal isthmus

Answer 14

the transition from the oral cavity to the oropharynx

Question 15

what is the palate

Answer 15

horizontal partition separating the oral cavity from the nasal cavity

Question 16

what are the different parts of the palate

Answer 16

ventral - bony hard plate
dorsal - soft plate

Question 17

what is the palate used for

Answer 17

swallowing, phonation and articulation