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Glial cell: Quiz

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Question 1: The four main functions of glial cells are to surround neurons and hold them in place, to supply ________ and oxygen to neurons, to insulate one neuron from another, and to destroy pathogens and remove dead neurons.
Dietary mineralNutrientNitrogenNutrition

Question 2: The only notable differences between neurons and glial cells are neurons' possession of axons and dendrites, and capacity to generate ________.
Chemical synapseAction potentialIon channelPhotoreceptor cell

Question 3: The ________ (also known as electrical synapses) between astrocytes allow the messenger molecule IP3 to diffuse from one astrocyte to another.
HistologyGap junctionCell junctionDesmoplakin

Question 4: Similar in function to oligodendrocytes, Schwann cells provide myelination to axons in the ________ (PNS).
Peripheral nervous systemAutonomic nervous systemSpinal cordBrachial plexus

Question 5: They regulate the external ________ environment of neurons by removing excess ions, notably potassium, and recycling neurotransmitters released during synaptic transmission.
ChemistryCarbonChemical substanceOxygen

Question 6: On the other hand, there are a few regions in the mature nervous system, such as the dentate gyrus of the ________ and the subventricular zone, where generation of new neurons can be observed.
CerebrumCingulate gyrusHippocampusSubiculum

Question 7: Astrocytes signal each other using ________.
AluminiumIronCalciumMagnesium

Question 8: These cells create and secrete ________(CSF) and beat their cilia to help circulate that CSF.
Choroid plexusArachnoid granulationCerebrospinal fluidMeninges

Question 9: Oligodendrocytes are cells that coat axons in the ________ (CNS) with their cell membrane forming a specialized membrane differentiation called myelin, producing the so-called myelin sheath.
Grey matterNeuronCentral nervous systemWhite matter

Question 10: Most glia are derived from ectodermal tissue of the developing ________, particularly the neural tube and crest.
EmbryoFertilisationPrenatal developmentEmbryogenesis







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