Nasopharyngeal Anatomy Flashcards
How many arterial inputs does Kiesselbach’s plexus have?
Five
Name the 5 arterial inputs of Kiesselbach’s plexus.
Anterior ethmoidal artery Posterior ethmoidal artery
Septal branch of superior labial artery
Sphenopalatine artery
Greater palatine artery
Where does the anterior ethmoidal artery pierce through?
Ethmoidal bone
What is one of the first branches of the internal carotid artery as it enters the cranial cavity?
Ophthalmic artery
Where is Kiesselbach’s plexus located?
Anterioinferiorly on the nasal septum
What marks the boundary between the nasopharynx and the oropharynx?
The soft palate
Which type of epithelium does the nasal vestibule consist of?
Stratified squamous
Which nerve is the olfactory bulb associated with?
CN I (olfactory nerves)
Which cranial nerve is the anterior ethmoidal nerve supplied by?
CN V1
Which cranial nerve is the nasopalatine nerve supplied by?
CN V2
Between which spinal levels does the larynx sit?
C4-C6
Where does the larynx begin and end?
Begins at the epiglottis and ends at the cricoid cartilage
What is the main functions of the larynx?
Phonation and protection of the lower respiratory tract
At which spinal level does the hyoid bone sit?
C3
What are the 3 pieces of cartilage that maybe up the larynx?
Thyroid
Cricoid
Epiglottis