8752419
Descrição
Questão 1
Questão
Glia are [blank_start]support[blank_end] for the nervous system. There are 4 types in the [blank_start]CNS[blank_end], and 1 type in the [blank_start]PNS[blank_end]. These types are highly specialised for [blank_start]different[blank_end] functions.
Neurons are cells specialised for [blank_start]transport[blank_end] of information. They can transmit [blank_start]many[blank_end] types of information, and there are [blank_start]thousands[blank_end] of types of neurons!
Responda
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support
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CNS
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PNS
-
different
-
similar
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transport
-
storage
-
many
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5
-
thousands
-
hundreds
Questão 2
Questão
Which cell of the CNS provides nutrients to neurons and ensheaths blood capillaries?
Responda
-
Astrocyctes
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Oligodendrocytes
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Ependymal cells
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Microglia
Questão 3
Questão
What is the role of microglia?
Responda
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To engulf microorganisms and debris, acting as immune cells for the neurons.
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To supply nutrients to cells and ensheath blood capillaries.
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To circulate the CSF.
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To support and ensheath neurons.
Questão 4
Questão
Ependymal cells have cilia and line fluid filled cavities in the brain and spinal cord.
Responda
- True
- False
Questão 5
Questão
In the PNS the axons are sheathed by oligodendrocytes. In the CNS they are myelinated by Schwann cells.
Responda
- True
- False
Questão 6
Questão
The axon hillock precedes the summation zone.
Responda
- True
- False
Questão 7
Questão
Which type of synapse is most common in the CNS?
Responda
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Axodendritic
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Axosomatic
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Axoaxonic
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