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23 Cards in this Set
- Front
- Back
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function of the nervous system
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communication, control, and integration of body functions
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central (CNS)
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1)brain
2)spinal cord |
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peripherial (PNS)
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1)cranial nerves
2)spinal nerves |
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BRAIN STEM ?
a)medula oblongota ? b)pons ? c)midbrain ? |
-vital functions
a)controls breathing and heart rate b)motor and senswory analisis (reaction) c)visual, eye, and body movements |
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LIMBIC SYSTEM ?
a) thalamus b)hypothalamus c)amygdala d)hipocampus |
-emotional brain
a)sensations and emotions b)thirst, hunger, sexual desire, sleep cycle c)memory, fear d)learning,converting short term memory to long term |
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CEREBELLUM (aka ?)
a)little folds ? b)function c)romberg test |
-little brain
a)folium b)balance and equalibrium c)cerebellar lesions |
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cerebrum
a)control is ? b)divided up into 4 lobes? |
-largest part of the brain, higher function like thought and action
a)contralateral b) 1.frontal- reasonng, planning, parts of speech, emotions, and problem solving 2.parietal-movement, orientation, recognition,perception of stimuli 3.occipital- associated with visual processing 4.temporal- perception and recognition of auditory stimuli, memory and speech |
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fissures
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large crevassas
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small indentations
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sulci
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raised areas
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gyri
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gray matter
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cerebral cortex:made up of dendrites and cell bodies
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white matter
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innerbrain:made up of axons that are myelinated
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Basal ganglia
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islands of gray matter within the white matter of the cerebrum
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parkinson's disease
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a decrese in dopamine
-tremor at rest -rigid -bradykinesia (slow movements) *Treatment: L-Dopa |
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spinal cord
1)___ in. long 2)spinal nerves fan out in a group called the ____ ______. 3)whats at the end of the cord structures 4)organized into __ segments 5)ends at ___ aka ______ |
1)17
2)conus medullaris, cauda equina 3)filium terminale 4)31 5)L1,L2 conus medullaris |
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spinal cord function
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-conduction:info up and down the cord
-locomotion:simple muscle contractions are cord controlled |
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Meninges (3 layers)
2)What is menningitis? |
the coverings of the central nervous system(3 layers)
1)dura matter-hard outter layer 2)arachinoid-spider web middle layer 3)Pia-innermost(hugs brain/cord) Meningitis- inflamation of the meninges |
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cerebrospinal fluid (CSF)
a)the 4 ventricles b)formed in the ? c)total volume is ? d)function e)evaluation of CSF f)caused by a blockage of the pathway of CSF is ? |
a)-bathes the CNS and fills the FOUR ventricles of the brain
-1&2:lateral ventricles -3:(thalamus) -4:(between pons & cerebellum b)choroid plexus c)70-120 mls d)serves as protective water jacket e)spinal tap f)hydrocephalus |
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spinal nerves ? pairs
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-8 cervical
-12 thoracic -5 lumbar -5 sacral -1 coccygeal |
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each spinal nerve is made up of ?
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-2 dorsal roots and 2 ventral roots
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myotome
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the muscles that one particular spinal nerve supplies
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dermatome
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the areas of sensory intervation on the skin for each spinal nerve
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crainal nerves (on old olympus Towering Top A Fin and German Viewed Some Hops)
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*Olfactory-smell
*optic- vision *oculomotor- eyelid & eyball movement *trochlear- eyeball movement *trigeminal - sensory nerve of the face ; mastication ;3 branches:iopthalmic,maxillary,mandibibular *abducens- eyeball movement *facial- facial expression;tear and saliva production *auditory- hearing and equilibrium *Glossopharyngeal- taste *Vagus- taste, senses carotid blood pressure, slows heart rate, stimulates digestation *Spinal Accessory- Trapezius and SCM, swallowing *hypoglossal- tongue movements |
