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chpreview12
| Question | Answer |
|---|---|
| primary motor cortex,broca's area/ premotor cortex are located in which lobe? | frontal |
| innermost layer of meninges, delicate/ closely apposed to the brain tissue is the _____ | pia mater |
| cerbrospinal fluid is formed by ______ | choroid plexuses |
| patient has suffered a cerebral hemorrhage that has caused dysfunction of t/precentral gyrus of his right crebral cortex. as a result ____ | he cannot voluntarily move his left arm or leg |
| BArea: basal nuclei involved in fine control of motor activities | striatum |
| BArea: region where there is a gross crossover of fibers of descending pyramidal tracts | medulla |
| BArea: control of temp.autonomic nervous system reflexes,hunger,water balance | hypothalamus |
| BArea: houses substantia nigra/ cerebral aqueduct | midbrain |
| BArea: relay stations for visual/ auditory stimuli input;found in midbrain | corpora quadrigemina |
| BArea: houses vital centers for control of heart,respiration,BP | medulla |
| brain area through which all sensory input is relayed to get to cerebral cortex | thalamus |
| brain area most concerned w/equilibrium,body posture, coordination of motor activity | cerebellum |
| which of following tracts convey vibration a/other specific sensations that can be precisely localized? | medial lemniscus |
| destruction of ventral horn cells of spinal cord results in loss of _____ | voluntary motor impulses |
| fiber tracts that allow neurons within same cerebral hemisphere to communicate are _______ | association tracts |
| cerebral cortex G/W | gray matter |
| corpus callosum a/ corona radiata G/W | white matter |
| red nucleus G/W | gray matter |
| medial and lateral nuclear groups G/W | gray matter |
| medial lemniscal tract G/W | White |
| cranial nerve nuclei G/W | gray |
| spinothalamic tract G/W | white |
| fornix G/W | white |
| cingulate and precentral gyri G/W | gray |
| a professor unexpectedly blew a loud horn in his class.students looked up startled. the reflexive movements of their eyes were mediated by _____ | superior colliculi |
| s of sleep: when bp and heart rate reach lowest levels | 4 |
| s of sleep:indicated by movement of eyes under lids, dreaming occurs | REM |
| s of sleep:when nightmares are likely to occur | 3and 4 |
| s of sleep:when sleeper is very easily awakened; EEG shows alpha waves | 1 |
| all of following descriptions refer to dorsal column-medial lemniscal ascending pathways except one: | their connections are diffuse and polymodal |
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