Anatomy & Physiology Fundamentals Flashcards
7 cards from real CDT practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Anatomy & Physiology Fundamentals flashcards as text
Which cortical region is primarily responsible for processing the visual form of written words during reading?
Answer: Visual word form area (VWFA) in the left fusiform gyrus
The visual word form area, located in the left fusiform gyrus, is specialized for recognizing the visual patterns of written words and is often called the 'letterbox area.'
The corpus callosum's role in reading is best described as:
Answer: Transferring visual information between the two cerebral hemispheres
The corpus callosum is the large white matter tract that connects the left and right cerebral hemispheres, enabling the transfer of visual and linguistic information during reading.
Which cranial nerve is responsible for conveying auditory signals from the cochlea to the brainstem?
Answer: Cranial nerve VIII (vestibulocochlear)
Cranial nerve VIII, the vestibulocochlear nerve, carries both auditory (cochlear branch) and balance (vestibular branch) information from the inner ear to the brainstem.
The planum temporale, often asymmetric and larger on the left in most people, is associated with:
Answer: Language and phonological processing
The planum temporale, a triangular region on the superior temporal lobe, is associated with language and phonological processing and is typically larger in the left hemisphere.
In individuals with dyslexia, neuroimaging studies most consistently show reduced activation in which region during phonological tasks?
Answer: Left temporoparietal cortex
Research consistently shows that individuals with dyslexia demonstrate reduced activation in the left temporoparietal cortex, particularly during phonological decoding tasks.
What is the primary function of myelin sheaths surrounding axons in the central nervous system?
Answer: Speeding up the conduction of nerve impulses
Myelin sheaths insulate axons and enable saltatory conduction, dramatically increasing the speed at which electrical signals travel along nerve fibers.
Which structure connects Broca's area to Wernicke's area and is critical for phonological processing?
Answer: Arcuate fasciculus
The arcuate fasciculus is the white matter tract that connects Broca's area (frontal) with Wernicke's area (temporal), and its integrity is essential for phonological processing and reading.