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health science chpt
| Question | Answer |
|---|---|
| Central nervous system (CNS) | brain and spinal cord, to receive and process information and to regulate all bodily activity |
| Peripheral nervous system (PNS) | ◦ 12 pairs of cranial nerves extending from the brain ◦ 31 pairs of peripheral spinal nerves extending outward from the spinal cord ◦ Function: to transmit nerve signals to and from the central nervous system |
| Ascending nerve tracts: | carry nerve pulses to the brain |
| Descending nerve tracts | carry nerve impulses away from the brain |
| Ganglion | nerve center |
| Receptors | sites in the sensory organs that receive external stimulation |
| Neurons | allows body communication |
| Three types of neurons | Afferent --> sensory Connecting --> associative neurons Efferent --> motor neurons |
| What are the neuron parts | dendrites, axons, terminal end fibers, synapses |
| Neurotransmitters | chemical substances (serotonin) |
| Glial cells | support and protect neurons |
| Myelin sheath | protective covering |
| What are the two divisions of the autonomic nervous system | sympathetic nerves, parasympathetic nerves |
| Sympathetic nerves | activation, become aroused, fight or flight |
| Parasympathetic nerves | deactivation, calms the body down |
| Medical term for stroke | cerebrovascular accident (CVA) |
| What causes a stroke | disrupted blood to brain |
| FAST | Facial droop, Arm drift, Speech abnormality, Time |
| Ischemic strokes are most common in | older people |
| Transient ischemic attack (TIA) | minis stroke, temporary blood supply stop |
| Aphasia | loss of ability to speak, write or comprehend written or spoken words |
| Hemorrhagic stroke | blood vessel in brain leaks |
| Acute flaccid myelitis (AFM) | inflammation of the spinal cord |
| Myelitis | inflammation of the spinal cord |
| What are the social determinants of health | economic stability, education access and quality, health care access and quality, neighborhood and built environment, social and community context |
| Upstream vs downstream | upstream=whole/prevention downstream=individual treatment |
| AZ | Alzheimer's disease |
| CNS | central nervous system |
| CSF | cerebrospinal fluid |
| CVA | cerebrovascular accident |
| EEG | electroencephalography |
| LP | lumbar puncture |
| MS | multiple sclerosis |
| TENS | transcutaneous electrical nerve stimulation |
| TIA | transient ischemic attack |
| AAO | alert and oriented |
| AAO questions | who are they, where are they, time, what happened |
Created by:
mac271
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