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L16 Cells and Organisation of the Nervous System

Mer Scott 7 questions 5.0 (1 rating) Updated 2 May 2017

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Questions in this quiz (7)

  1. 1Glia 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!
    1. Asupport
    2. BCNS
    3. CPNS
    4. Ddifferent
    5. Esimilar
    6. Ftransport
    7. Gstorage
    8. Hmany
    9. I5
    10. Jthousands
    11. Khundreds
  2. 2Which cell of the CNS provides nutrients to neurons and ensheaths blood capillaries?
    1. AAstrocyctes
    2. BOligodendrocytes
    3. CEpendymal cells
    4. DMicroglia
  3. 3What is the role of microglia?
    1. ATo engulf microorganisms and debris, acting as immune cells for the neurons.
    2. BTo supply nutrients to cells and ensheath blood capillaries.
    3. CTo circulate the CSF.
    4. DTo support and ensheath neurons.
  4. 4Ependymal cells have cilia and line fluid filled cavities in the brain and spinal cord.
    1. ATrue
    2. BFalse
  5. 5In the PNS the axons are sheathed by oligodendrocytes. In the CNS they are myelinated by Schwann cells.
    1. ATrue
    2. BFalse
  6. 6The axon hillock precedes the summation zone.
    1. ATrue
    2. BFalse
  7. 7Which type of synapse is most common in the CNS?
    1. AAxodendritic
    2. BAxosomatic
    3. CAxoaxonic

Information

Description
• Name the five main types of glial cells and their functions, and contrast these with neuronal structure and function • Describe the structure of a neuron, and understand how it is specialised for conduction of nerve impulses • Describe how the electrical nerve impulse changes to a chemical signal at the synapse • Understand the directions of information flow in the nervous system
Author
Mer Scott
Language
English
Views
26
History
Created on 2 May 2017 · updated on 2 May 2017
Rating
5.0 out of 5 · 1 rating
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