Head and Neck 3 Flashcards
What are the functions of the nose?
Traps dirt
Respiration
Humidification of inspired air
Olfaction (smell)
The nasal cavity is divided into 2 parts by what?
Midline nasal septum
The palate is made up of what?
Bony palate anteriorly
Soft palate posteriorly
What seperates the oral cavity from the nasal cavity?
Palate
What are the functions of the larynx?
Open valve - respiration
Partially closed valve - orifice can be modulated in phonation
Closed valve - protecting trachea
What are the 3 parts of the pharynx?
Nasopharynx - lying behind the nasal fossae and above soft palate
Oropharynx - lying behind anterior pillars of the fauces
Laryngopharnx - lying behind larynx
What vertebral level does the trachea begin?
C6
Where does the trachea lie relative to the oesophagus?
Anterior
What is A?
Frontal sinus
What is B?
Nasopharynx
What is C?
Hard palate
What is D?
Genioglossus
What is E?
Mylohyhoid
What is F?
Hyoid
What is G?
Trachea
What is G?
Oesophagus
What is I?
Larynx
What is J?
Laryngopharynx
What is K?
Soft palate
What is L?
Sphenoid sinus
What is M?
Concha (inferior, middle, superior)
To which bone do the nasal aperatures articulate with superiorly at the nasion?
Frontal bone
What is A?
Frontal bone
What is B?
Cribiform plate of ethmoid bone
What is C?
Sphenoid bone
What is D?
Perpendicular plate of palatine bone
What is E?
Palatine process of maxilla
What is F?
Inferior concha
What is G?
Nasal bone
The floor of the nasal cavity is formed from what?
Palatine processes of the maxillae and the palatine bones which form the hard palate
The roof of the nose is formed from what?
Anteriorly to posteriorly, the nasal bones, part of the frontal bone as well as the ethmoid bone and the body of the sphenoid bone
What 2 bones form the nasal septum?
Vomer bone
Perpendicular plate of the ethmoid bone
What structure lies anterior to the vomer and ethmoid bones to complete the nasal septum?
Septal cartilage
What is A?
Perpendicular plate of ethmoid
What is D?