Business 86, Medical Terminology WEEK 15 Overview  Chapter 15  Nervous system review with oral practice from pages in syllabus  Begin Chapter 16  Special Senses homework listed below  Get ready for final exam use pages in syllabus, Medical Language Lab

Business 86, Medical Terminology Function The nervous system is one of the most complicated systems of the body. Along with the endocrine system, it controls man bodily activities. The nervous system senses changes in both the internal and external environments, interprets these changes, and then coordinates appropriate responses that are designed to maintain homeostasis.

Business 86, Medical Terminology Diseases and Conditions of the Nervous System MM eningitis - inflammation of the meninges EE ncephalopathy - disease of the brain MM igraine headache -The most common type of vascular headache MM acrocephaly - large head MM icrocephaly - small head HH ydrocephalus - An abnormal increase in the amount of cerebrospinal fluid within the cranial cavity

Business 86, Medical Terminology EE ncephalitis - inflammation of the brain CC oncussion - injury to the brain caused by a blow; usually resulting in loss of consciousness HH ematoma - blood tumor; a large collection of blood in the tissues that is palpable AA mnesia - loss of memory

AA phasia - without speech DD ysphasia - difficulty speaking CC VA - cerebral vascular accident (stroke) MM ultiple Sclerosis -A chronic degenerative disease of the central nervous system in which gradual destruction of myelin occurs NN europathy - nerve disease

NN euralgia - nerve pain NN euritis - inflammation of a nerve SS ciatica - inflammation of the sciatica nerve CC erebral Palsy - A disability disorder resulting from damage to the brain before or during birth EE pilepsy - A disorder of the brain that results in recurrent, unprovoked seizures  P arkinson’s disease - a group of conditions called motor system disorders. It affects various parts of the body, causing stiffness in the muscles, slowness, difficulty when starting movements and tremor

Business 86, Medical Terminology  Hallucination - A sensory experience in which a person can see, hear, smell, taste, or feel something that isn’t there  Lethargy - tired  Syncope - fainting  Coma - Deep unconsciousness  Narcolepsy - A sleep disorder marked by sudden, uncontrollable urges to sleep  Anxiety - A feeling of apprehension, often characterized by feelings of stress.  Delirium - craze: state of violent mental agitation; a usually brief state of excitement and mental confusion often accompanied by hallucinations

Business 86, Medical Terminology  Psychosis - Any major mental disorder that involves change of personality and loss of contact with reality  Schizophrenia - A psychotic disorder characterized in the active phase by hallucinations, delusions, disorganized thoughts/speech, disorganized or catatonic behavior, and apathy  Paranoia - an irrational fear, suspicion, or distrust of others  Phobia - fear of

Business 86, Medical Terminology  Autism - is disorder which usually appears within the first three years of life and may result in learning difficulties, speech problems and difficulty relating to people  Alzheimer’s - a progressive form of pre-senile dementia  Kleptomania - an irresistible impulse to steal in the absence of any economic motive  Dyslexia - Learning disability affecting reading ability. Persons with dyslexia may have difficulty remembering, recognizing, and or reversing written letters, numbers, and words, might read backwards, and have poor handwriting.

Business 86, Medical Terminology Procedures EE EG - electroencephalography  M yelography - process of recording the spinal cord.

Business 86, Medical Terminology LUMBAR PUNCTURE- Needle puncture into the spinal cavity to extract spinal fluid. (CSF) TREPHINATION- technique that cuts a hole in the cranium Ventriculoperitoneal shunting

Business 86, Medical Terminology LL obotomy - A surgical operation on a part of the brain to treat pain or an emotional disorder NN eurectomy - removal of a nerve NN europlasty - surgical repair of a nerve SS ympathectomy - the surgical removal of a part of a sympathetic nerve CC raniotomy - cut into the cranium

Abbreviations  CT Scan - computed tomography scan  CNS - central nervous system  CVA - cerebrovascular accident  EEG - electroencephalogram  MS - Multiple Sclerosis  TIA - transient ischemic attack  MRI - magnetic resonance imaging  PERL - pupils equal and reactive to light  PNS – peripheral nervous system  ICP –intracranial pressure

Business 86, Medical Terminology Medications Anesthetics-partial or complete loss of sensation lidocaine Anticonvulsants- prevent uncontrolled neuron activity associated with seizures Dilantin Antidepressants-to treat symptoms of depression Celexa Hypnotics-to induce sleep Restoril, Ambien

Business 86, Medical Terminology Homework Read pgs (book) Fill out pgs (syllabus) using pages (book) Complete pgs (syllabus) Term Plus Nervous-TE and MV Complete review pgs for final exam (Syllabus) Don’t forget that the term project is due WEEK 17