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Mrs T's Nervous 2014
| Question | Answer |
|---|---|
| part of brain that interprets visual images | occipital lobe |
| parts of peripheral nervous system | spinal nerves, cranial nerves, and ganglia |
| brain part that maintains balance | cerebellum |
| two major divisions of nervous system | central and peripheral |
| neuron that carries message to the brain | sensory |
| major relay station for impulses to/from cerebral cortex | thalamus |
| what is gray matter made up of? | primarily neuron cell bodies |
| part of neuron that conducts impulses away from the cell body | axon |
| path of a reflex | sensory neuron - interneuron - motor neuron |
| cells that support and protect other nerve cells | neuroglial |
| gaps in the myelin sheath that allow impulses to jump at a faster rate | nodes of Ranvier |
| where is cerebrospinal fluid located? | ventricles and central canal |
| the "emotional" brain | limbic system |
| most superficial meninge layer | dura mater |
| branch of the nervous system that controls smooth muscle and glands | autonomic |
| what makes white matter white? | myelin sheaths |
| what direction does a signal travel at a synapse/ | from axon to dendrite |
| what is saltatory conduction/ | when the impulse jumps from node to node |
| when does inward movement of sodium ions occur | depolarization |
| part of the brain that links nervous system to endocrine system | hypothalamus |
| vital center for control of heart rate, respiratory rate | medulla |
| damage to primary motor area on right side of brain results in... | inability to voluntarily move left side of body |
| connects the right and left cerebral hemispheres | corpus callosum |
| middle layer of meninges, looks like a spiderweb | arachnoid |
| what is the cauda equine? | spinal nerves that emerge from bottom of spinal cord |
| ascending tracts of the spinal cord are... | sensory |
| time when a neuron cannot accept a stimulus bc it is still depolarized | refractory period |
| function of gray matter of spinal cord | reflex center |
| classification of spinal nerves | mixed |
| what is the only cranial nerve that exits the cranium | vagus |
| what is the first cranial nerve | olfactory |
| what type of nerve is the olfactory nerve | sensory |
| needle is inserted between L3 and L4 vertebrae to sample CSF | lumbar puncture |
| functions during rest and repose | parasympathetic |
| innervates internal organs | vagus |
| tasting a lemon | facial |
| allows us to speak clearly | hypoglossal |
| balance and hearing | vestibulocochlear |
| chewing our food | trigeminal |
| innervates pharyngeal muscles for swallowing | glossopharyngeal |
| feeling a toothache | trigeminal |
| neurotransmitter in sympathetic system | norepinephrine = adrenalin |
| know diagrams of brain, spinal cord, neuron, and synapse |
Created by:
thomase
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