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Nervous system MOA
Review for the nervous - Definitions
Question | Answer |
---|---|
a large bundle of axons wrapped in connective tissue | nerve |
A long,single projection that transmits impulses from the cell body | axon |
A progressive, degenerative disease of the myelin sheath | multiple sclerosis (MS) |
A recurrent disorder of cerebral functions characterized by seizures | epilepsy |
Abnormal inactivity or lack of response to normal stimuli | lethargy |
Abnormal rhythm | dysrhythmia |
Abnormally deep unconsciousness with absence of voluntary response to stimuli | coma |
Abnormally small head | microcephaly |
Acute inflammatory eruption of painful vesicles; also called shingles | Herpes zoster |
Any sudden and violent contraction of one or more muscles | convulsion |
Branching cytoplasmic projections | dendrites |
Brief loss of consciousness | syncope |
Broad term that refers to cognitive deficit | dementia |
Carry or move away from a central structure | efferent |
Carry of move toward a central structure | afferent |
Chemical substances that facilitate the transmission of impulses across synapses | neurotransmitters |
Characterized by progressive mental challenges | Tay-Sach Disease |
Conveys impulses to glands, smooth muscles and cardiac muscles | autonomic nervous system |
Conveys sensory impulses to the brain and motor impulses away from the brain | spinal cord |
Depress central nervous system functions | hypnotics |
Eating disorder characterized by binging and purging | bulimia nervosa |
Excessive movement | hyperkinesia |
Excision of a ganglion | ganglionectomy |
Form of spina bifida in which the spinal cord develops properly but the meninges protrude | meningocele |
Form of spina bifida in which one or more vertebrae are malformed | occulta |
inability to comprehend auditory, visual, spatial, olfactory or other sensations | agnosia |
inability to speak | aphasia |
incision into the skull | craniotomy |
inflammation of the brain | encephalitis |
injury to the brain, occasionally with transient loss of consciousness | concussion |
innermost membrane covering the brain and spinal cord | pia mater |
involuntary tremble or shake | tremor |
Lack of muscle coordination | ataxia |
Largest and uppermost portion of the brain; sensory, emotions aspects of behaviour and memory | cerebrum |
Major emotional disorder | psychosis |
Middle layer covering the brain | arachnoid membrane |
Most severe form of spina bifida | myelomeningocele |
Needle puncture of the spinal cavity | lumbar puncture (LP) |
Nonpsychotic mental illness | neurosis |
Occurring without a known cause | idiopathic |
Outermost membrane covering the brain and spinal cord | dura mater |
Pain in the spinal cord | myelalgia |
Poor development | dystrophy |
Recording of electrical activity in the brain | electroencephalogram (phy (EEG) |
Second largest part of the brain; refines muscular movement | cerebellum |
Technique that cuts a circular opening into the skull | trephination |
Test that measures the speed at which impulses travel through a nerve | Nerve Conduction Velocity (NCV) |
The functional cell of the nervous system | neuron |
Weakness, debility or loss of strength | asthenia |
Without feeling; loss of sensation as a result of disease, injury or anesthetic agent | anesthesia |