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Review

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Term
Definition
Nerve   a large bundle of axons wrapped in connective tissue.  
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Axon   a long, single projection that transmits impulses from the cell body.  
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Multiple Sclerosis   a progressive, degenerative disease of the myelin sheath.  
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Epilepsy   A recurrent disorder of cerebral functions characterized by seizures.  
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Lethargy   abnormal inactivity or lack of response to normal stimuli.  
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Dysrhythmia   abnormal rhythm.  
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Coma   abnormally deep unconsciousness with absence of voluntary response to stimuli.  
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Microcephaly   abnormally small head.  
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Herpes Zoster   acute inflammatory eruption of painful vesicles; also called shingles.  
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Convulsion   A sudden and violent contraction of one or more muscles.  
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Dendrites   Branching cytoplasmic projections.  
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Syncope   brief loss of consciousness.  
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Dementia   broad term that refers to cognitive deficit.  
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Efferent   carry or move away from a central structure.  
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Afferent   carry or move toward a central structure.  
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Neurotransmitters   chemical substances that facilitate the transmission of impulses across synapses.  
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Tay-Sach disease   Characterized by progressive mental challenges.  
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Autonomic Nervous System   conveys impulses to glands, smooth muscles and cardiac muscles.  
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Spinal Cord   conveys sensory impulses to the brain and motor impulses away from the brain.  
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Hypnotics   depress central nervous system functions.  
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Bulimia Nervosa   eating disorder characterized by binging and purging.  
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Hyperkinesia   excessive movement.  
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Ganglionectomy   excision of a ganglion.  
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Meningocele   form of spina bifida in which the spinal cord develops properly but the meninges protrude.  
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Occulta   form of spina bifida in which one or more vertebrae are malformed.  
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Agnosia   inability to comprehend auditory, visual, spatial, olfactory or other sensations.  
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Aphasia   inability to speak.  
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Craniotomy   incision into the skull.  
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Encephalitis   inflammation of the brain.  
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Concussion   injury to the brain, occasionally with transient loss of consciousness.  
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Pia Mater   innermost membrane covering the brain and spinal cord.  
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Tremor   involuntary tremble or shake.  
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Ataxia   lack of muscle coordination.  
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Cerebrum   largest and uppermost portion of the brain; sensory, emotions aspects of behaviour and memory.  
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Psychosis   major emotional disorder.  
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Arachnoid Membrane   middle layer covering the brain.  
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Myelomeningocele   most severe form of spina bifida.  
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Lumbar Puncture   needle puncture of the spinal cavity.  
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Neurosis   nonpsychotic mental illness.  
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Idiopathic   occurring without a known cause.  
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Dura Mater   outermost membrane covering the brain and spinal cord.  
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Myelagia   pain in the spinal cord.  
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Dystrophy   poor development.  
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Electroencephalogram   recording of electrical activity in the brain.  
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Cerebellum   second largest part of the brain; refines muscular movement.  
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Trephination   technique that cut a circular opening into the skull.  
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Nerve Conduction Velocity   test that measures the speed at which impulses travel through a nerve.  
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Neuron   the functional cell of the nervous system  
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Asthenia   weakness, debility or loss of strength.  
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Anesthesia   without feeling; loss of sensation  
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AD   Alzheimer Disease  
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ADHD   attention deficit-hyperactivity disorder  
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CNS   central nervous system  
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CP   cerebral palsy  
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CSF   cerebrospinal fluid  
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CT   computed tomography  
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CTA   computed tomography angiography  
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CVA   cerebrovascular accident  
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EEG   electroencephalography  
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EMG   electromyography  
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ICP   intracranial pressure  
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LOC   loss of consciousness  
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LP   lumbar puncture  
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MEG   magnetoencephalography  
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MRI   magnetic resonance imaging  
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MS   multiple sclerosis  
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MSI   magnetic source imaging  
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NCV   nerve conduction velocity  
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PET   position emission tomography  
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PNS   parasympathetic nervous system  
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