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Nervous Short Answer
Nervous System Short Answer Review
Question | Answer |
---|---|
List three major structures of neurons | Cell Body, Dendrites,Axons |
Which section of the cerebrum can only be seen on dissection | insula |
What are 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 heart rate, body temp, fluid balance and many endocrine functions |
Describe the spinal cord | transmits sensory impulses composed of an inner gray matter/outer white matter located in the spinal cavity |
what are 3 types of neurosis | phobia, hysteria, obsessive compulsive disorder |
what does the central nervous system consist of | brain and spinal cord |
what is Alzheimer disease | progressive neurological disorder that causes memory loss and serious mental deterioration |
describe Parkinson disease | progressive neurological disorder affecting the portion of the brain responsible for controlling movement |
what is cerebrospinal fluid | colourless, shock-absorbing fluid that circulates around the brain and spinal cord and provides nutritive substances to the CNS |
what is the brainstem composed of | midbrain, medulla and pons |
what is the function of the pons | acts as a bridge connecting the midbrain to the medulla |
what are the two main divisions of the nervous system | central nervous system CNS peripheral nervous system |
describe the parasympathetic nervous system | rest and digest responds when immediate action is not required |
describe the sympathetic nervous system | fight or flight responds when immediate actions are required |
what is the function of the thalamus | receives all sensory stimuli except olfactory and receives impulses from the cerebrum and relays them to efferent nerves |
what are the two types of nerve cells found in the nervous system | Neurons, Neuroglia |