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The Nervous System

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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Question
Answer
anesthesia   without feeling or sensation  
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aneurysm   A localized dilatation in the wall of an artery that expands with each pulsation of the artery  
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brain stem   The stemlike portion of the brain that connects the cerebral hemisphere with the spinal cord.  
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burr hole   A hole drilled into the skull using a form of drill.  
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cerebellum   The part of the brain responsible for coordinating voluntary muscular movement; located behind the brain stem.  
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cerebral contusion   Small scattered venous hemorrhages in the brain  
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cerebrospinal fluid   The fluid flowing through the brain and around the spinal cord that protects them from physical blow or impact  
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coma   A deep sleep in which the individual cannot be aroused and does not respond to external stimuli.  
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craniotomy   A surgical incision into the cranium or skull.  
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deficit   Any deficiency or variation of the normal  
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dysphasia   Difficult speech  
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hemiplegia   Paralysis of one half of the body  
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herpes zoster   An acute infection caused by the same virus that causes chickenpox, characterized by painful vesicular lesions along the path of a spinal nerve; also called shingles.  
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hyperesthesia   Excessive sensitivity to sensory stimuli, such as pain or touch.  
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interneurons   Connecting neurons that conduct impulses from afferent nerves to or toward motor nerves.  
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lethargy   A state of being slugish  
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medulla oblongata   One of the three parts of the brain stem.  
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meninges   The three layers of protective membranes that surround the brain and spinal chord.  
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narcolepsy   Uncontrolled, sudden attacks of sleep.  
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occlusion   Blockage  
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paresthesia   A sensation of numbness or tingling.  
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phagocytosis   The process by which certain cells engulf and destroy microorganisms and cellular debris.  
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sciatica   Inflammation of the sciatic nerve.  
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Afferent Nerves   carries impulses from the body to the Central Nervous System  
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