Flashcards in Unit 3: Vestibular System, Aphasia, and Otology Deck (30):
L1: _____ detect angular acceleration
L1: _____ detect linear acceleration.
L1: ______ is a tumor type that is the most common neoplastic cause of hearing loss
vestibular Schwannoma/acoustic neuroma
L1: _____: the swelling at the end of a semicircular canal.
L1: In conductive hear loss, the minimum audible sound level is _____ for air conduction and ____ for bone conduction.
L1: In most people, language is lateralized to the _____ hemisphere.
L1: Otolith organs (2)
L1: Speech is _____ but not ______ for language.
L1: The ____ in the ampulla contains sensory hair cells.
L1: The hair cells project into a gel-like substance called the _____.
L1: What is the fluency of spontaneous speech and quality of comprehension in global aphasia?
L1: What pathologic pattern? Disorder of speech due to motor system involvement
L1: What pathologic pattern? Lack of speech due to anarthria, aphonia, aphasia, or psychiatric disease
L1: What pathologic pattern? Progressive hearing loss and decreased ability to understand supra-threshold speech due to degenerative physiologic changes
L1: What pathologic pattern? Voice disorder related to laryngeal disease
L2: ______: expansion of the endolymphatic compartment of the ear; associated with ________
Endolymphatic Hydrops; Meniere's Disease
L2: Characteristics of Broca's aphasia, Wernicke's aphasia, conduction aphasia, and global aphasia (2)
Poor repetition, Poor naming
L2: Gaze control is driven by neurons departing from the ______ and _____ vestibular nuclei ascending via the ______.
Medial, superior; medial longitudinal fasciculus (MLF)
L2: In the saccule, the axes of polarity are oriented such that they point ____ the striola
L2: In the utricle, the axes of polarity are oriented such that they point ____ the striola
L2: Mutation in _______ is the most common cause of non-syndromic deafness.
L2: Postural reflexes are driven by neurons departing from the _____ vestibular nucleus via the ______.
Lateral; Lateral vestibulospinal tract
L2: Postural reflexes receive afferent vestibular information from the ______.
L2: Treatment for ototoxic hearing loss.
Corticosteroids and antioxidants
L2: Vestibular nerves have cell bodies in _____ and synapse in the ______.
scarpa's ganglion; vestibular nuclei
L2: What is the fluency of spontaneous speech and quality of comprehension in Broca's aphasia?
L2: What is the fluency of spontaneous speech and quality of comprehension in conduction aphasia?
L2: What is the fluency of spontaneous speech and quality of comprehension in Wernicke's aphasia?
L3: Mechanisms of Sensorineural Hearing Loss (3)
Hair cell loss, Endolymphatic hydrops, Loss of endocochlear potential