Solved by a verified expert:NeurobiologyBiology 362Knowledge Inventory (Quiz) #2INSTRUCTIONS: Please read and refer to readings designated for this week to answer thequestions below.There are 25 Multiple Choice questions. sh isar stued dvi y reaC soou urcrs eeH wer aso.com For questions 1-2, identify whether the neuron in question is part of the central nervoussystem (A) or part of the peripheral nervous system (B).??1) Neuron is located in the spinal cord, transferring sensory input to motor output neuronsfrom reflex action, such as the withdrawal reflex.?A) CNS?B) PNS??2) Neuron is carrying sensory information to the spinal cord from the skin.?A) CNS?B) PNS??? 3) Which part of the neuron has most of the typical cellular organelles and the nucleus?A) Axon hillock?B) cell body (soma)?C) axon?D) dendrite? 4) Which part of the neuron most typically receives chemical input and is the primarypostsynaptic membrane site??A) cell body (soma)?B) nucleus?C) axon terminal?D) dendrite?E) axon? ?5) Which subpart of a neuron is typically associated with fusion of neurotransmitter vesicles?A) cell body (soma)?B) nucleus?C) axon terminal?D) dendrite??E) axon??6) A sensory neuron will most typically be?A) bipolar?B) unipolar?C) multipolar??7) Which glial cell types are involved in maintaining chemical barriers and fluid balance for thebrain??A) ependymal and astrocytes?B) astrocytes and microglia?C) oligodendrocytes and astrocytes?D) microglia and ependymal??8) This glial cell type protects neurons against pathogens and removes debris byphagocytosis.?A) oligodendrocytes?B) satellite cells?C) Schwann cells?D) microgliaE) ependymal? sh isar stued dvi y reaC soou urcrs eeH wer aso.com ?9) The main difference between oligodendrocytes and Schwann cells is____________________.?A) the capacity to insulate axonsB) the presence or absence of lipidsC) whether a given cell myelinates only part of a single axon or several axonsD) the ability to facilitate signal propagation?E) the presence or absence of cholesterol?10) Nodes of Ranvier are located on _____________________.?A) Schwann cells?B) neuronal cell bodies?C) oligodendrocytes?D) neuronal axons 11) The image below is most representative of what type of neuron or neurite organization. A) bipolarB) unipolarC) multipolar 12) The cell body with processes wrapped around axons (shown in the image below) is mostlikely a(n) __________________.A) oligodendrocyte?B) satellite cell?C) Schwann cell?D) microglia cell?E) ependymal cell sh isar stued dvi y reaC soou urcrs eeH wer aso.com 13)Which of the following is the most common type of synapse??A) presynaptic dendrite to postsynaptic axon?B) presynaptic axon to postsynaptic soma?C) presynaptic dendrite to postsynaptic soma?D) presynaptic axon to postsynaptic axon?E) presynaptic axon to postsynaptic dendrite? ?14) For presynaptic vesicles to fuse with the presynaptic membrane and release aneurotransmitter into the synaptic area, ____________ ions must be present inthe intracellular compartment of the axon terminal.?A) sodium?B) chloride?C) potassium?D) calcium? 15) What is the molecule serotonin in the diagram below?A) An ionB) GliaC) A synapseD) A neurotransmitter or chemical messenger sh isar stued dvi y reaC soou urcrs eeH wer aso.com 16) What is the outcome of synaptic vesicles in the axon terminal fusing with the presynapticmembrane?A) The vesicle is phagocytosed/destroyed.B) Calcium in the axon terminal is released into the synaptic cleft.C) Neurotransmitter in the vesicles is released into the synaptic cleft.D) The vesicle will fuse with the postsynaptic membrane. Th For questions 17-21, identify the labeled parts of the synapse shown below.sh isar stued dvi y reaC soou urcrs eeH wer aso.com 17. What is labeled by #1?A) presynaptic axonB) postsynaptic axonC) synaptic cleftD) postsynaptic membraneE) presynaptic vesicleF) postsynaptic dendriteG) presynaptic membrane18. What is labeled by #2?A) presynaptic axonB) postsynaptic axonC) synaptic cleftD) postsynaptic membraneE) presynaptic vesicleF) postsynaptic dendriteG) presynaptic membrane Th 19. What is labeled by #3?A) presynaptic axonB) postsynaptic axonC) synaptic cleftD) postsynaptic membraneE) presynaptic vesicleF) postsynaptic dendriteG) presynaptic membrane20. What is labeled by #4?A) presynaptic axonB) postsynaptic axonC) synaptic cleftD) postsynaptic membraneE) presynaptic vesicleF) postsynaptic dendriteG) presynaptic membrane21. What is labeled by #5? A) presynaptic axonB) postsynaptic axonC) synaptic cleftD) postsynaptic membraneE) presynaptic vesicleF) postsynaptic dendriteG) presynaptic membrane 22) ______________________ represent a space across which neurotransmitters travel. sh isar stued dvi y reaC soou urcrs eeH wer aso.com A) SynapsesB) Axon terminalsC) Postsynaptic membranesD) Synaptic vesiclesE) Presynaptic membranes Use the image below to answer Questions 23-25. Th 23) What is the name of the structure labeled by C? Be specific.A) oligodendrocyteB) axon hillockC) axon terminalD) synaptic vesicleE) receptorF) Node of RanvierG) presynaptic membraneH) postsynaptic membrane24) What is the name of the structure labeled by E? Be specific.A) oligodendrocyteB) axon hillockC) axon terminalD) synaptic vesicleE) receptorF) Node of RanvierG) presynaptic membraneH) postsynaptic membrane Th sh isar stued dvi y reaC soou urcrs eeH wer aso.com 25) What is the name of the structure labeled by B? Be specific.A) oligodendrocyteB) axon hillockC) axon terminalD) synaptic vesicleE) receptorF) Node of RanvierG) presynaptic membraneH) postsynaptic membrane
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