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nervous system
| Question | Answer |
|---|---|
| What are the three functions of the nervous system? | Sensory input, integration, & motor output |
| What is included in the nervous system structurally? (Think big picture) | Brain, Spinal Cord, & Nerves |
| 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 |
| The lobes of the brain are found in which brain region? | Cerebrum |
| What separated the lobes of the brain? | sulci |
| Where is the thalamus located? | Near the center of the brain |
| Where does the spinal cord attach to the brain? (be specific) | Medulla Oblongata |
| What three parts make up the brain stem? | Midbrain, pons, & medulla oblongata |
| What does the cerebellum do? | Coordinate involuntary movements (balance, coordination, etc.) |
| Which divisions of the ANS is in charge of fight or flight response? | Sympathetic nervous system |
| Smell | Olfactory |
| Vison and detection of light by the pupil | Optic |
| Eye movement upward, downward, and inward; pupils respond to light | oculomotor |
| Eye movement downward and inward | trochlear |
| facial sensation and chewing | trigeminal |
| side-to-side (lateral) eye movement | abducent |
| Facial expressions and taste in the front two thirds of the tongue | facial |
| hearing and balance | vestibulocochlear |
| swallowing, gag reflex, and speech | glossopharyngeal |
| swallowing, gag reflex, and speech; control of muscle in internal organs | vagus |
| neck turning and shoulder shrugging | accessory |
| tongue movement | hypoglossal |
| What is the job of the hypothalamus | Autonomic response |
| 4 lobes of the brain | frontal, parietal, temporal, occipital |
| Difference between a neuron and neuroglia? | Neurons are the primary cells of the nervous system, they transmit electrical & chemical signals. Neuroglia are used to support and protect neurons |
| How does the nervous system and another system maintain homeostasis? | The nervous system and endocrine system do. They coordinate rapid and long-term responses to change internal and external changes. |
| How do we respond so quickly to dangerous stimuli? | We respond quickly through reflexes, and also reflex arcs that bypass the brain for a fast response. |
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