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Nervous system

Review

QuestionAnswer
Epilepsy A disorder characterized by seizures.
Coma Abnormal deep unconsciousness.
Microcephaly Abnormally small head.
Anorexia Nervosa All-consuming desire to remain thin.
bulimia nervosa bulimia nervosa.
bulimia nervosa Brain injury causing transient loss of consciousness.
ventricle Cavity of an organ.
trephination Circular opening made in the skull to relieve ICP.
somatic nervous system Conveys impulses for voluntary functions
autonomic nervous system Conveys impulses to glands, smooth muscles and cardiac muscles
hypnotics Depress CNS functions to induce sleep
multiple sclerosis Disease of the myelin sheath
myelopathy Disease of the spinal cord
cerebrum Functions include sensory perception and interpretation, muscular movement and emotional aspects of behaviour and memory
agnosia Inability to comprehend auditory, visual, spatial, olfactory and other sensations
catatonic Inability to move or talk.
aphasia Inability to speak.
craniotomy Incision into the skull
.peripheral nervous system Includes all nervous tissue of the body found outside the CNS
encephalitis Inflammation of the brain
pia mater Innermost membrane of the brain and spinal cord
tremor Involuntary tremble or shake
tics Involuntary, spasmodic muscular contractions
ataxia Lack of muscle coordination
lethargy Lack of response; sluggishness
psychosis Major emotional disorder
nerve conduction velocity Measures the speed impulses travel through a nerve
arachnoid membrane Middle layer covering the brain and spinal cord
efferent Moves away from a central structure
afferent Moves toward a central structure
lumbar puncture Needle puncture of the spinal cavity
central nervous system Network of nervous tissue found in the brain and spinal cord
neurosis Nonpsychotic mental illness
idiopathic Occurring without a known cause
dura mater Outermost layer covering the brain and spinal cord
mylalgia Pain in the spinal cord
herpes zoster Painful, acute infectious disease; aka shingles
dystrophy Poor development
aura Premonitory awareness of an approaching physical or mental disorder
anesthetic Produce a loss of sensation
anxiety Psychological “worry” disorder
electroencephalography Records electrical activity of brain patterns
cerebellum Refines muscular movement; aids in equilibrium
analgesic Relieve pain
convulsion Sudden and violent contraction of the muscles
neuron The functional cell of the nervous system
meninges Three membranes that cover and protect the brain and spinal cord
neurotransmitter Transmits impulses across synapses
asthenia Weakness or debility
myelin White fat-like sheath
List the three major structures of neurons. • Cell body • Dendrites • Axons
Which section of the cerebrum can only be seen on dissection? • Insula
What are the four major structures of the brain? • Cerebrum • Cerebellum • Diencephalon • Brainstem
What are the four major types of neuroglia? • Astrocytes • Oligodendrocytes • Microglia • Ependyma
What is the function of the hypothalamus? • Regulates activities of the autonomic nervous system
Describe the spinal cord? • Transmits sensory impulses • Composed of an inner gray matter/outer white matter • Located in the spinal cavity
What are the two types of nerve cells found in the nervous system? • Neurons • Neuroglia
What are three types of neurosis? • Phobia • Hysteria • Obsessive compulsive disorder
What does the central nervous system consist of? • Brain • Spinal cord
What is Alzheimer’s disease? • Progressive neurological disorder that causes memory loss and serious mental deterioration
What is cerebrospinal fluid? • Colourless, shock-absorbing fluid that circulates around the brain and spinal cord
What is Parkinson disease? • Progressive neurological disorder affecting the portion of the brain responsible for controlling movement
What is the brainstem composed of? • Midbrain • Medulla • Pons
What is the function of the pons? • Acts as a bridge connecting the midbrain to the medulla
What is the function of the thalamus? • Receives all sensory stimuli except olfactory
Created by: Demitreia
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