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Nervous system study guide
Terms in this set (35)
What are the 3 main functions of the nervous system?
Communication(sensation, movement, processing)
Name the parts of a neuron
cell body, Axon, Dendrites, Myelin sheath, Synpase
What does the central nervous system consist of?
brain and spinal cord
What is the largest part of the brain
What is the cerebellum responsible for?
Muscle coordination, balance, Posture, muscle tone
What is the cerebrum responsible for?
reasoning, thought, memory, judgement, speech, sight, smell, hearing, and voluntary movement
Explain the location of the 3 parts of the brainstem and what they control
midbrain- responsible for vision/hearing
pons- responsible for respirations
Medulla Oblongata- responsible for heart beat
What is the tissue that seperates the left and right side of the brain called
What is responsible for reflex actions and transmitting messages
the spinal cord
What is the name of the membranes that cover and protect the brain and spinal cord
Meninges/Dura mater/Arachnoid/pin mater
Name and describe the 3 layers of the meninges?
Dura Mater- tough outermost layer
Arachnoid- weblike middle layer
Pin Mater- thin innermost layer that contains blood vessels
What is the colorless fluid that surrounds and cushions the brain and spinal cord
What does the peripheral nervous system consist of
Somatic and Autonomic nervous systems
What are the functions of the somatic nervous system
carry messages between the central nervous system and body
What are the functions of the autonomic nervous system
control involuntary body functions
How many pairs of cranial nerves do we have?
How many sets of spinal nerves do we have
Explain what happens to the following because of the sympathetic nervous system?
the heart rate increases, respiration increases, Blood pressure increases, and the digestive system slows
Explain what happens to the following because of the parasympathetic nervous system?
Heart rate slows, Respiration slows, Blood pressure decreases, and the digestive system increases
What part of the autonomic nervous system us also known as the fight or flight response?
What is also known as a stroke or brain attack?
What progressive, chronic neuromuscular disorder occurs due to voluntary nerves becoming weak and atrophy, the symptoms include abnormal reflexes, falling and tripping, difficulty speaking and swallowing, and eventually full body paralysis:
What neuro disorders that we discussed do not have cures?
ALS, Cerebral palsy, parkinsons, multiple sclerosis
What non progressive neuro disease involves disturbance of voluntary muscle action usually caused by brain damage such as lack of oxygen? includes symptoms of exaggerated reflexes, tense muscles, and sometimes mental retardation
What neuro disorder is caused by the chickenpox virus and appears like a rash with fluid-filled vesicles on one side of the body?
What neuro disorder occurs in the brain and spinal cord and is caused by a virus, bacteria, fungus, or toxin, and includes symptoms of headache, fever, and stiff/neck
What are the 2 main causes of CVA? which cause can be treated with the medication TPA?
hemorrhaging and blood clots. blood clots can be treated with TPA.
What progressive neuro disorder occurs in people usually over the age of 50 and involves degeneration of brain cells and common symptoms include shuffling gait, drooling, and behavior changes
Which neuro disorder occurs due to abnormal surges of impulses in the brain and symptoms include loss of consciousness, foaming at the mouth, and the loss of body functions
What progressive neuro disease usually occurs between the ages of 20-40 and occur due to degenerations of the myelin sheath? the symptoms include, visual disturbances, poor coordination, muscle spasticity
What is the treatment for many of the neuromuscular disorders, that help with preserving muscle/speech function and the ability to do day-to-day activities
What is the treatment for shingles?
If not treated quickly, which neuro disorder can cause coma and death?
Which neuro disorder may a patient experience an aura before an episode?
How quickly should a stroke be treated to try and prevent long term brain damage?
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