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CNHP
Chapter 4
| question/term | answer/definition |
|---|---|
| nervous system | -activates and controls all functions of the body -receives all input from the environment |
| what do neuron-functional units consist of? | cell body, axon, myelin |
| cell body | nucleus, dendrites |
| myelin | fat and protein sheath around axon |
| central nervous system | brain and spinal cord |
| peripheral nervous system | nerves that branch from the CNS |
| autonomic nervous system | involuntary, unconscious regulation (smooth + cardiac muscle, various glands, adipose tissue) |
| the PNS is further divided into | 1. somatic nervous system 2. autonomic nervous system |
| somatic nervous system | voluntary, conscious control (skeletal muscles) |
| the ANS is further divided into | 1. parasympathetic NS 2. sympathetic NS |
| cerebell/o | cerebellum (little brain) |
| cerebr/o | cerebrum (largest part of the brain) |
| crani/o | skull |
| encephal/o | entire brain |
| gangli/o | ganglion (knot) |
| gli/o | glue |
| gnos/o | knowing |
| hypn/o | sleep |
| lex/o | word or phrase |
| meninges= | membrane |
| narc/o | stupor or sleep |
| phor/o | carry or bear |
| phren/o , psych/o, thym/o | mind |
| schiz/o | split |
| somat/o | body |
| somn/(i)/(o) | sleep |
| stere/o | 3D or solid |
| tax/o | order or coordination |
| thalam/o | thalamus (a room) |
| top/o | place |
| ventricul/o | ventricle (belly or pouch) |
| cata- | down |
| -asthenia | weakness |
| -paresis | slight paralysis |
| -plegia | paralysis |
| frontal lobe | motor control, some aspects of personality |
| parietal lobe | sensation, some aspects of language |
| occipital lobe | vision |
| temporal lobe | speech, hearing |
| cerebral embolism | embolus obstructs artery when it lodges |
| cerebral thrombosis | thrombus gradually builds, blocking artery |
| types of neuroglia | 1. ependymal cells 2. oligodendrocytes 3. astrocytes 4. microglia |
| ependymal cells | line brain ventricles |
| oligodendrocytes | wrap axons |
| astrocytes | support capillaries |
| microglia | engulf invading microorganisms and dead tissues |
| herniated discs press on which nerve, causing pain? | spinal nerve |
| MRA | magnetic resonance angiography |
| spondylosyndesis | spinal fusion, leading to the removal of disk -surgical technique |
| ALS | amyotrophic lateral sclerosis |
| CSF | cerebrospinal fluid |
| CP | cerebral palsy |
| CVA | cerebrovascular accident |
| DTR | deep tendon reflexes |
| ECT | electroconvulsive therapy |
| GAD | generalized anxiety disorder |
| GCS | Glasgow coma scale |
| MS | multiple sclerosis |
| NCV | nerve conduction velocity |
| PSG | polysomnography |
| SAD | seasonal affective disorder |
Created by:
fhira1
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