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Anatomy Chapter 10

QuestionAnswer
What protein forms plaques in the brains of people who have Alzheimer's disease amyloid
improved ability to diagnose Alzheimer's disease is important because treatment can begin early in the disease families can begin to plan for the care of the patient Alzheimer's can be differentiated from other forms of dementia more accurately.
the two basic types of cells found in neural tissue are ______ and _____ cells. neurons and neuroglia
the small spaces between neurons are called synapse
the nervous system is composed of two groups of organs called the ______ nervous system and the _______ nervous system. central and peripheral
monitoring light, sound, and temperature is a _____ function of the nervous system. sensory
the basic unit of structure and function of the nervous system is the _____ neuron
another name for the cell body of a neuron is the ____ or ______ soma or perikaryon
to what organelle in non-neural cells so Nissl bodies in neurons correspond. endoplasmic reticulum
what of the following structure is not common to all nerve cells schwann cells
migraine headaches are thought to be the result of contraction followed by dilation of blood vessels in the brain
the structure that carries impulses away from the cell body of the neuron is the axon
the neurilemma is composed of the cytoplasm and nucleus of Schwann cells
the symptoms of multiple sclerosis are due to degeneration of myelin
the type of neuron that lies totally within the CNS is the interneuron
the supporting framework of the nervous system is composed of Neuroglial cells
the neuroglial calls that can phagocytize bacterial cells and increase when there is inflammation of the brain or spinal chord microglia
what are functions of the neuroglial cells fill spaces hold organs together phagocytize bacteria
the relative immaturity of an infant's nervous system compared to an adults nervous system is due to incomplete myelinization of the infant NS
what injuries can be to the nervous system can be prepared damage to the fibers that have myelin sheaths
a tangled mass of regenerating nerve fibers that can be quite painful when sensory fibers are involved are called neuroma
the difference in electrical charge between the inside and the outside of the membrane in the resting nerve cell is called the resting potential
the effect of a new stimulus of the same type being received before the effector of the previous stimulus in a series have subsided its called summation
the propagation a nerve impulse
the period of total depolerization of the neuron membrane when the neuron . cannot respond to a second stimulate the Absolute Refractory period
the refractory period acts to limit the rate of conduction of nerve impulses
in which type of fiber is conduction faster myelinated
a decrease in calcium ions below normal limits will facilitate the movement of sodium across the cell membrane
the neurotransmitter that stimulates the concentration of skeletal muscle is acetylcholine
the amount of neurotransmitter released at a synapse is controlled by calcium
continuous stimulation of a neuron on the distal side of this junction is prevented by enzymes within the neural junction
neuropeptides that are synthesized by the brain and spinal chord (CNS) in response to pain are enkephalins
process that allows coordination of incoming impulses that represent information from a variety of receptors is called convergence
the most common neuron structure is one axon and many dendrites
unipolar neurons are found in the ganglia
neurons may be classified functionally as _____, _____, and ______ neurons sensory, motor, and interneurons.
Created by: SC965274
 

 



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