chapter 12
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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The somatic nervous system controls what? | show 🗑
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The effectors of the autonomic nervous system includes: | show 🗑
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which two branches of the nervous system commonly work as anatgonists to each other? | show 🗑
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clusters of rough endoplasmic reticulum and free ribosomes within the cell body of a neuron appear dark when stained. These are called: | show 🗑
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show | collaterals
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show | unipolar
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motor neurons and most interneurons are ___ neurons. | show 🗑
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show | proprioceptors
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show | presynatic
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___ are cells that produce, circulate, and monitor cerebrospinal fluid (CSF) | show 🗑
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show | microglia
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show | oligodendrocytes
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___ are the most numerous of the neuroglial cells. they form the blood-brain barrier. | show 🗑
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___ are neuroglial cells that surround neuron cell bodies in ganglia of the perpheral nervous system. they oxygen, carbon dioxide, and nutrient levels for the associated neurons. | show 🗑
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Nonmyelinated regions along a myeliated axon are called: | show 🗑
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show | a graded potential
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In the generation of an action potential, voltage-regulated sodium gates open at ___ millivolts and a tremendous amount of sodium ions diffuse into the cell. | show 🗑
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Sodium ions spread along the cytoplasm at the surface of an axolemma by: | show 🗑
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At ___ millivolts, the voltage-regulated sodium gates close and voltage-regulated potassium gates open. | show 🗑
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when the voltage-regulated gates open, potassium floods outward and may create a moment of ____. | show 🗑
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show | sodium-potassium pump
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show | absolute refractory period
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Along myelinated axons, action potentials travel rapidly by ___. | show 🗑
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show | type A
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the neuromuscular junction is an example of a ___. | show 🗑
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show | dopamine
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show | serotonin
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