anatomy
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| show | astrocytes
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| A neuron that has only one axon but several dendrites is classified as a _____ neuron. multipolar bipolar unipolar multidendritic | show 🗑
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| The white matter of the nervous system is made up of: myelinated fibers. nuclei. unmyelinated fibers. ganglia. | show 🗑
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| Dendrites conduct impulses _____ cell bodies. toward away from within None of the above is correct. | show 🗑
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| show | microglia lay scar tissue
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| show | a neurilemma.
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| Gray matter in the brain and spinal cord consists primarily of: nerve fibers. neuroglia. axons. cell bodies. | show 🗑
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| show | All of the above are functions of the CNS.
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| show | carry feedback information to integrating centers in the brain.
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| show | in all of the above ways.
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| show | sensory
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| Which of the following compounds cannot cross the blood-brain barrier? Group of answer choices Water Carbon dioxide Glucose Dopamine | show 🗑
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| One of the components of the blood-brain barrier is: astrocytes. neurons. myelin. oligodendrocytes. | show 🗑
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| show | skeletal
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| show | sensory neuron
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| In the human nervous system: most of the cells are neurons. most of the cells are glia cells. there are almost equal numbers of glia cells and neurons. the ratio of cells is unknown because of the complexity of the nervous system. | show 🗑
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| Along a neuron, the correct pathway for impulse conduction is: dendrite, axon, cell body, and receptor. dendrite, cell body, and axon. axon, cell body, and dendrite. receptor, axon, and cell body. | show 🗑
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| Which is not true of the myelin sheath? It is associated with white fibers in the brain. It is important for nerve impulse conduction. It covers cell bodies in the brain and spinal cord. It is destroyed in those with multiple sclerosis. | show 🗑
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| show | multiple dendrites and one axon.
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| show | All of the above are true.
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| show | Always consists of afferent neuron and efferent neuron.
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| The efferent pathways of the autonomic nervous system consist of the ________ nervous systems. peripheral and afferent sympathetic and parasympathetic sympathetic and efferent parasympathetic and somatic | show 🗑
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| The part of the nervous system that transmits impulses from the CNS to the skeletal muscle is the: somatic nervous system. autonomic nervous system. central nervous system. afferent division. | show 🗑
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| Small distinct regions of gray matter in the CNS are called: nuclei. tracts. ganglia. axons. | show 🗑
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| Which of the following is the deepest connective tissue layer of a nerve? Endoneurium Perineurium Epineurium Fascicle | show 🗑
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| show | CNS only.
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| Astrocytes attach to: neurons. oligodendrocytes. blood vessels. both A and C. | show 🗑
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| Fascicles are held together by a connective tissue layer called the: endoneurium. perineurium. macroneurium. epineurium. | show 🗑
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| Most unipolar neurons are usually: motor neurons. neurons of the parasympathetic nervous system. sensory neurons. neurons of the sympathetic nervous system | show 🗑
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| show | Oligodendrocytes
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Created by:
destinyyrobinson