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nervos system study
| Question | Answer |
|---|---|
| What are the three functions of the nervous system? | sensory motor output integregation |
| What is included in the nervous system structurally? (Think big picture) | brain nerves spinal cord |
| What are the universal listeners or receivers of neuron impulse? | dendrites |
| What are the universal talkers or senders of neuron impulse? | axons |
| What do we call the area where two neurons meet? | synapse |
| What is the myelin sheath covering the axon of a neuron in the PNS? | schwann cells |
| What are the gaps between the myelin sheath of a neuron in the PNS? | nodes of ranvier |
| How do action potentials move to the next neuron? (Think small) | neurotransmitters attach to dendrites |
| The lobes of the brain are found in which brain region? | cerebrum |
| What separated the lobes of the brain? | fissures |
| Where is the thalamus located? | diencephalon |
| Where does the spinal cord attach to the brain? (Be specific | at the medulla ablongata |
| What three parts make up the brain stem? | midbrain pons medulla ablongata |
| What does the cerebellum do? | controls coordination of body movements |
| what is the job of the hypthalmus? | autonomic response |
| olafactory | Smell |
| optic | Vision and detection of light by the pupil |
| oculomotor | Eye movement upward, downward, and inward; pupils respond to light |
| trochlear | Eye movement downward and inward |
| trigeminal | Facial sensation and chewing |
| abducent | Side-to-side (lateral) eye movement |
| facial | Facial expression and taste in the front two thirds of the tongue |
| vestibulocochlear | Hearing and balance |
| glossopharyngeal | Swallowing, gag reflex, and speech |
| vagus | Swallowing, gag reflex, and speech; control of muscle in internal organs |
| accessory | Neck turning and shoulder shrugging |
| hypoglossal | Tongue movement |