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| Front | Back |
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The _____ nervous system is composed ofthe brain and spinal cord.
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Central
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The ______ nervous system controls the skeletal muscles.
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Somatic
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The part of the peripheral nervous system that carries sensory information to the CNS is designated
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Afferent
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_____ line the brain ventricles and spinal canal
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Ependymal cells
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Ion channels that are always open are called ___channels.
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Leak
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Neurotransmitter for release is stored in synaptic ______.
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Vesicles
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The all-or-none principle states that
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All stimuli great enough to bring the membrane to threshold will produce identical action potentials.
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Which type of synapse is most common in the nervous system?
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Chemical
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The ion that triggers the release ofacetylcholine into the synaptic cleft of aneuromUSClilar junction is
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Calcium
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The site in the neuron where EPSPs and IPSPs are integrated is the
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Axon hillock
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Summation that results from the cumulative effect of multiple synapses and multiple places on the neuron is designated
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Spacial summation
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When a second EPSP arrives at a singlesynapse before the effects of the first havedisappeared, what occurs?
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Temporal summation
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IPSPs(inhibitory post synaptic potentials)
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Are hyperpolarizations
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The efferent division of the peripheral nervous system innervates:
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Smooth, skeletal, heart muscle cells & glandular cells
-all the above |
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______channels open ordose in response to physical distortion of the membrane surface.
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Mechanically gated
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