CCC ASHA Anatomy & Physiology of Communication Flashcards
7 cards from real CCC practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 CCC ASHA Anatomy & Physiology of Communication flashcards as text
The cochlea converts mechanical vibrations into neural signals through which process?
Answer: Transduction via the hair cells of the organ of Corti
Hair cells in the organ of Corti, located within the cochlea, transduce mechanical basilar membrane movement into electrochemical neural signals that travel via CN VIII.
Broca's area, critical for speech production, is located in which gyrus of the brain?
Answer: Inferior frontal gyrus (dominant hemisphere)
Broca's area (Brodmann areas 44 and 45) is located in the inferior frontal gyrus of the dominant (typically left) hemisphere and is critical for speech programming and production.
Wernicke's area, associated with language comprehension, is located in which brain region?
Answer: Posterior superior temporal gyrus
Wernicke's area is located in the posterior superior temporal gyrus of the dominant hemisphere and is essential for language comprehension and semantic processing.
The arcuate fasciculus is a white matter tract that connects which two cortical regions important for language?
Answer: Broca's area and Wernicke's area
The arcuate fasciculus is a major white matter pathway connecting Broca's area (frontal) with Wernicke's area (temporal), facilitating the integration of language comprehension and production.
The cerebellum's primary role in speech production is best described as:
Answer: Coordinating the timing and sequencing of articulatory movements
The cerebellum coordinates the precise timing, sequencing, and coordination of articulatory movements; damage results in ataxic dysarthria characterized by irregular articulatory breakdown.
Which part of the ear is responsible for impedance matching between the air-conducted sound waves and the fluid-filled cochlea?
Answer: Middle ear ossicular chain
The middle ear ossicular chain (malleus, incus, stapes) amplifies sound and matches the impedance between the low-resistance air medium and the high-resistance fluid-filled cochlea.
Damage to the right hemisphere (non-dominant) in most individuals typically results in deficits in which communication domain?
Answer: Prosody, pragmatics, and discourse-level comprehension
Right hemisphere damage typically impairs prosody (melody/stress of speech), pragmatic language use, and discourse-level comprehension, rather than the phonological and syntactic processing associated with left hemisphere damage.