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MT Nervous System, C

Nervous System MT

CNS = Central Nervous System
CNS is composed of brain and spinal cord
PNS = Peripheral Nervous System
PNS is composed of cranial nerves and spinal nerves
Neuron= is a nerve cell
Neuroglia means nerve glue
What carries cells away from the body Axons
Dendrites carry impluses to the cell body
neurotransmitter= chemical
synapse gap between the cell bodies
white matter is myelinated
grey matter is unmyelinated
largest part of the brain cerebrum
the outer layer of the brain is known as cerebral cortex (composed of grey matter)
The cerebrum is divided into 2 hemispheres
hemispheres of the brain are divided into lobes
Name three parts of the brain stem and its functions Mid brain - vision and hearing Pons - controls respiration Medulla Oblongata - controls vital signs except temperature
What part of the brain helps maintain prosture, coordination & balance cerebellum
CSF = Cerebospinal Fluid
List 3 layers of the meninges Outer layer - Duramater Middle layer - Arachnoid Inner layer - Piamater
How many pairs of cranial nerves are there 12
How many pairs of spinal nerves are there 31
The spinal cord ends where between L1 and L2
There are how many cervical spinal nerves 8
There are how many thoracic spinal nerves 12
There are how many lumbar spinal nerves 5
There are how many sacral spinal nerves 5
There are how many coccygeal spinal nerves 1
Reflex = simple response
Sympathic nervous system is known as the flight or fight instinct
Parasympathetic nervous system is known as the resting & digestive
Neuro nerve
Myelo spinal cord
Encephalao brain
Cerebro cerebrum
Cerebello cerebullum
Psycho mind
Narco stupor
- phasia speaking
- lexia pertaining to a word or phrase/reading
- plegia paralysis
- paresis weakness
- lepsy seizure
- phobia irrational fear
- mania madness/frenzy
EEG = electro/encephalo/gram
AD Alzheimer disease
AS left ear
AU both ears
ENT ear, nose & throat
TM tympanic membrane
Samno sleep
-lalia speech/babble
-plegia paralysis
-paresis weakness
CVA= cerebrovascular accident (stroke)
Thrombus is a clot that does not move
Embolus is a clot that moves
Aneurysm = abnormal ballooning of a vessel
Cerebral contusion causes long term effects; bruising of the brain
Cerebral concussion does not have long lasting affects
Cerebral contrecoup counter blow to the head
Alzheimer disease degeneration of neurons and atrophy of the cerebral cortex
Epilepsy seizures due to abnormal brain activity Grand Mal Petit Mal
EEG electroencephalogram
EEG measures brain activity
OCD Obsessive Compulsive Disorder
Aphasia absence of speaking
Hemiparesis weakness on one side of the body
Hemiplegia paralysis one one side of the body
Tremor unintentional trembling or shaking
Subdural hematoma Venous bleed; collection of blood on the surface of the brain
Epidural hematoma Arterial bleed; collection of blood between the skull and dura mater
Anxiety feeling of uneasiness that is excessive
Delusion false beliefs
Hallucination false perception
Paranoia exaggerated distrust of others
Acetylcholine (ACh) neurotransmitter
Broca's area speech area
Epinephrine adrenaline
Amnesia loss of memory
Bell's Palsy unilateral facial paralysis
Claustrophobia fear of being in closed spaces
Delirium state of mental confusion
Euphoria exaggerated feeling of well being
Hypochondriasis excessive fear of your health
Ictus blow or sudden attack; ex. seizure or stroke
Lethargy sluggishness
Paraplegia paralysis of lower 1/2 of the body
Quadriplegia paralysis of all 4 limbs
Stupor impaired consciousness; loss of responses
TIA Transit ischemic attack; mini stroke
Glasgow coma scale measure of consciousness
Syncope fainting
Vertigo illusion of movement
CP cerebral palsy
CVD cerebro vascular disease
DTR deep tendon reflexes
ICP Intracranial pressure
LOC level of consciousness
LP lumbar puncture
MS multiple sclerosis
multiple sclerosis deterioration of the myelin sheath covering axons within the brain
meninges 3 membranes that cover the brain and spinal cord
Valsalva's maneuver forcible exhalation against a closed glottis, nostrils, or mouth
What part of the brain are concerned with movement cerebellum
Autism disorder of the neural development; symptoms, impaired social interaction and communication
Chemicals that facilitate the movement of impulses at ____________ are called? Synapse
-presis partial paralysis
Myelinated white matter
unmyelinated grey matter
What is the treatment for a meningioma surgery
Increased accumulation of CSF in or around the brain is hydrocephalous
Created by: jhowe2323