HNS 3 Flashcards
which way does the uvula deviate from the lesion
away from the lesion - suggests problem with vagus nerve
what is behind the uvula
posterior wall of the oropharynx
What is the palatine tonsil inbetween
between palatopharyngeal fold and palatoglossal fold
What mechanism stops food from going down into your airway
retroflexion of epiglottis
name the structures from top to bottom from a posterior view of the oropharyngeal region
nasopharynx: soft palate oropharynx: tongue uvula epiglottis laryngopharynx: laryngeal inlet piriform fossa
Where do fish bones often get stuck
piriform fossa
Whats the sensory innervation of the constrictor muscles
CN IX ( glossopharyngeal ( CN X (vagus )
Whats the motor innvervation of the constrictor muscles
CN X (vagus ) some help from CN XI (spinal accessory )
What are the 3 glands around the face
parotid
sub mandibular
sub lingual
What is the innervation of the 3 glands
parotid - CN IX (glossopharyngeal ) - mostly serous
sub mandibular - CN VII (facial ) -mostly serous
sub lingual - CN VII (facial ) - mostly mucousal
what muscle causes the tongue to stick out
genioglossus
What nerve innervates that muscle
hypoglossal ( CN XII)
What nerve innervates the touch sensation for the anterior 2/3rds of the tongue
trigeminal nerve (CN V)
What nerve innervates the touch sensation for the posterior 1/3 of the tongue
glossopharyngeal ( CN IX)
what nerve innervates the taste for the anterior 2/3 of the tongue
facial nerve (VII ) HOW TO REMEMBER: when you taste something your face shows how that tasted
