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1Caritas Institute of Higher EducationSchool of Health SciencesBachelor of Nursing (Honours) Programme2019-2020NUR101 Human Biological Science ITutorial 2BExercise BookThe Nervous SystemDate4thDecember 2019 (Wednesday)Time3-hour session
2Neuroglia of the CNS and PNS1)Complete the below tableusing the following list of cells. Under the “Location” heading, circle CNSor PNS.astrocyte, ependymal cell, microglia, oligodendrocyte, satellite cell, Schwann cellNeurogliaCELL TYPELOCATIONFUNCTION1.Schwann cellCNS orPNSEntire cell forms myelin sheath around a segment ofan axon; helps regeneration of axons.2.ependymal cellCNSor PNSLines four brain ventricles; forms and circulatesCSF.3.microgliaCNSor PNSEngulfs invading microbes; clears debris; migrates toinjured nerves.4.astrocyteCNSor PNSMaintains environment around neurons; formsbloodbrain barrier.5.satellite cellCNS orPNSCovers sensory neuron cell bodies; maintains neuronenvironment.6.oligodendrocyteCNSorPNSProcesses from this cell form myelin sheaths aroundaxons.
32)Label the neuroglial cells inFigure 1(a) and (b).Astrocytes, ependymal cell, microglial cell, oligodendrocyte, satellite cell, Schwann cell(a)CNS1. Oligodendrocyte2. Microglial cell3. Astrocyte4. Ependymal cell
(b)PNS
43)Label the structures of neurons listed inFigure 2(a) and (b).(a)Structural classifications1.Unipolar2.Multipolar3.Bipolarbipolar neuron, multipolar neuron, unipolar neuron
5(b)Functional classificationsinterneuron (association neuron), motor neuron (efferent), sensory neuron (afferent)4. Sensory neuron (afferent)5. Interneuron6. Motor neuron (efferent)
6

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