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Ch 10 Study Guide
Things to know about The Brain and Cranial Nerves
| Question | Answer |
|---|---|
| What are the main divisions of the brain? | Cerebrum, diencephalon, brain stem, and cerebellum |
| What are the names of the three layers of the meninges from the outermost to the innermost? | Dura mater, arachnoid, and pia mater |
| Where is CSF produced? | CSF is produced in the ventricles of the brain. |
| Name the four surface lobes of each cerebral hemisphere. | The frontal, parietal, temporal, and occipital lobes |
| Name the thin layer of gray matter where higher brain functions occur. | The cerbral cortex |
| What are the two main portions of the diencephalon, and what do they do? | The thalamus and the hypothalamus. The thalamus directs sensory input to the cerebral cortex; the hypothalamus helps to maintain homeostasis. |
| What are the three subdivisions of the brain stem? | The midbrain, pons, and the medulla oblongata |
| What are some functions of the cerebellum? | Aids in coordination of voluntary muscles, maintenance of balance, and maintenance of muscle tone. |
| What are four structures in the limbic system? | The cingulate gyrus, hippocampus, amygdala, and portions of the hypothalamus. |
| What is the function of the basal nuclei? | Modulate motor inputs and facilitate routine motor tasks. |
| What is the function of the reticular activating system? | Keeps one awake and attentive and screens out unnecessary sensory input. |
| What is the common term for cerebrovascular accident (CVA)? | Stroke |
| What type of cells are commonly involved in brain tumors? | Neuroglia |
| How many pairs of cranial nerves are there? | 12 |
| What are the three types of cranial nerves? What is a mixed nerve? | Sensory, motor and mixed. A mixed nerve has both sensory and motor fibers. |
| The delicate innermost layer of the meninges is the | pia mater |
| The large band of white matter that connects the right and left hemispheres is the | corpus callosum |
| Sound is processed in the | temporal lope of the brain. |
| The nerve involved with the sense of smell. | Olfactory |
| The large sensory nerve of the face and head. | Trigeminal |
| The nerve that controls muscles of the tongue. | Hypoglossal |
| The sensory nerve for hearing and equilibrium. | Vestibulocochlear |
| The long nerve that carries autonomic impulses to the thorax and abdomen. | Vagus |
| What divides the cerebrum into left and right hemispheres? | longitudinal fissure |
| Which lobe interprets impulses arising from the retina of the eye? | occipital |
| What is a loss or defect in language communication called? | aphasia |
| What disease involves lack of dopamine and overactivity of the basal nuclei? | Parkinson disease |
| What type of impulses are involved in the sense of touch? | general sensory |
Created by:
Jessica Venyke
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