Special senses Flashcards
Olfactory deficits can be classified into which 2 categories?
Conductive
Sensorineural
Give 2 causes of conductive olfactory deficits.
Nasal polyp
Olfactory meningioma
Give a cause of sensorineural olfactory deficits.
Alzheimer’s disease
The olfactory pathways have links to which 2 brain cortex’s?
Piriform cortex
Orbital cortex
Which nerve carries taste from the anterior 2/3rds of the tongue?
Facial nerve via Chorda Tympani nerve
Which nerve carries taste from the posterior 1/3rd of the tongue?
Glossopharyngeal (IX)
List the 3 types of papillae on the tongue. Which one does not contain taste buds?
Fungiform
Filiform - no taste buds
Vallate
Which nerve carries somatic sensory from the anterior 2/3rds of the tongue?
Vc
Which nerve carries somatic sensory from the posterior 1/3rd of the tongue?
IX
The vestibular and cochlear apparatus contain which 2 labyrinths?
Membranous labyrinth
Bony labyrinth
Which fluid does the membranous labyrinth contain?
Endolymph
Which fluid does the bony labyrinth contain?
Perilymph
The Organ of Corti contains which kind of cells that detect vibration?
Hair cells
The vestibular system is divided into which 2 parts?
Dynamic and static parts
The static part of the vestibular system is made up of which 2 structures?
Utricle
Saccule
The macula of the utricle detects what?
Horizontal acceleration
The macula of the saccule detects what?
Vertical acceleration
The vestibular system sends information to which spinal tract?
Vestibulospinal tract
