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Anatomy Test 1
| Question | Answer |
|---|---|
| ridge on cerebral cortex | gyrus |
| depression/groove on cerebral cortex | sulcus |
| occipital lobe function | visual processing center |
| parietal lobe function | somatosensory association center |
| thalamus function | major sensory inputs from skin relay through thalamus |
| temporal lobe function | hearing, comprehension, smell |
| frontal lobe function | motor functions, complex cognitive functions |
| insula function | gustation/taste |
| left cerebral hemisphere function | language, logical processing, movement of R side of body |
| right cerebral hemisphere function | spatial perception, movement of L side of body |
| central sulcus | separates parietal lobe from frontal lobe |
| parietooccipital sulcus | separates parietal lobe from occipital lobe |
| lateral sulcus | separates temporal lobe from frontal and parietal lobes |
| calcarine sulcus function | primary visual center |
| cingulate gyrus function | part of limbic system; regulates emotions and pain; drives the body's conscious response to unpleasant experiences (fear) |
| precentral gyrus function | major motor cortex (mostly skilled motor actions) |
| postcentral gyrus function | primary somatosensory cortex |
| longitudinal fissure | separates R and L hemispheres |
| corpus callosum | commissural tract (side-to-side between hemispheres); allows R and L hemispheres to communicate |
| lentiform nucleus function | assists with muscle movements |
| globus pallidus function | maintains muscle tone; regulates voluntary movements |
| putamen function | "auto-pilot"; regulates subconscious movements |
| claustrum function | helps process visual data |
| hippocampus function | part of limbic system; long-term memory |
| caudate nucleus function | learning and memory storage; sets rhythm of arms/legs when walking; balance |
| amigdaloid body function | motivation and emotional behavior; applies emotion to memories |
| lateral ventricles function | stores CSF |
| anastomosis definition | connection between 2 blood vessels |
| projection tracts | ascending and descending |
| arcuate tracts | connect Broca's and Wernicke's areas |
| commissural tracts | side-to-side (ex. corpus callosum) |
| longitudinal fasciculi | front-to-back of cerebrum |
| tectum function | superior colliculus= visual reflexes / inferior colliculus= auditory reflexes |
| fornix function | long-term memory |
| tegmentum function | consciousness |
| reticular formation function | consciousness |
| substantia nigra function | dopamine; muscle tone |
| pneuotaxic and apneustic centers function | govern rhythm and depth of breathing |
| Olfactory Nerve (I) function | smell |
| Olfactory Nerve (I) foramen | cribriform plate foramina |
| Optic Nerve (II) function | vision |
| Optic Nerve (II) foramen | optic canal |
| Oculomotor Nerve (III) function | innervates extrinsic eye muscles (superior rectus, medial rectus, inferior rectus, and inferior oblique) |
| Oculomotor Nerve (III) foramen | superior orbital fissure |
| Trochlear Nerve (IV) function | innervates superior oblique muscle |
| Trochlear Nerve (IV) foramen | superior orbital fissure |
| Trigeminal Nerve (V) function | sensory to face; innervates muscles of mastication |
| Trigeminal Nerve (V) foramen | Opthalmic Div= superior orbital fissure / Maxillary Div= foramen rotundum / Mandibular Div= foramen ovale |
| Abducens Nerve (VI) function | abducts the eyeball (lateral rectus muscle) |
| Abducens Nerve (VI) foramen | superior orbital fissure |
| Facial Nerve (VII) function | innervates muscles of facial expression |
| Facial Nerve (VII) foramen | internal acoustic meatus |
| Vestibulocochlear Nerve (VIII) function | sensory nerve of hearing and balance |
| Vestibulocochlear Nerve (VIII) foramen | internal acoustic meatus |
| Glossopharyngeal Nerve (IX) function | innervates structures of tongue/pharynx |
| Glossopharyngeal Nerve (IX) foramen | jugular foramen |
| Vagus Nerve (X) function | parasympathetic to abdomen and thorax |
| Vagus Nerve (X) foramen | jugular foramen |
| Accessory Nerve (XI) function | innervates trapezius and sternocleidomastoid |
| Accessory Nerve (XI) foramen | jugular foramen |
| Hypoglossal Nerve (XII) function | innervates the tongue muscles |
| Hypoglossal Nerve (XII) foramen | hypoglossal canal |
| Which nerve innervates the superior rectus muscle? | oculomotor (III) |
| Which nerve innervates the superior oblique muscle? | trochlear (IV) |
| Which nerve innervates the lateral rectus muscle? | abducens (VI) |
| Which nerve innervates the inferior oblique muscle? | oculomotor (III) |
| Which nerve innervates the inferior rectus muscle? | oculomotor (III) |
| Which nerve innervates the medial rectus muscle? | oculomotor (III) |
| Which muscle controls the eyelid? | levator palpabrae superioris |
| Which nerve innervates the sphincter and dilator pupillae muscles? | oculomotor (III) |
| What muscle connects to the tympanic membrane? | tensor tympani |
| located in the semicircular canal used to detect angular movement | crista ampularis |
| area of skin supplied by nerves originating at spinal nerve root | dermatome |
| a group of muscles supplied by a single spinal nerve | myatome |
Created by:
lindseymontgomery
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