10 Questions
What is the function of dendrites in a neuron?
To receive incoming information
Which protein is responsible for the anterograde transport of secretory vesicles along the axon?
KINESIN
Where are afferent neurons located and what is their function?
Transmit information into CNS from sensory receptors at peripheral endings
What is the role of axon terminals in a neuron?
Release neurotransmitters and branch out at the axon end
What is the function of astrocytes in the central nervous system (CNS)?
Regulate the composition of the extracellular fluid and form the blood-brain barrier
What is the role of microglia in the brain?
Act as immune system cells, eating up cell debris or bacteria
What is the function of oligodendrocytes in the central nervous system (CNS)?
Form myelin sheaths around CNS neuron axons
What distinguishes Schwann cells from other glial cells?
They form myelin sheaths around neuronal axons of the peripheral nervous system (PNS)
What is the primary function of ependymal cells in the central nervous system (CNS)?
Regulate the production and flow of cerebrospinal fluid (CSF)
What characterizes plasticity in neurons?
Ability of neurons to remodel their synaptic connections, declining with age
This quiz covers the structure of a neuron, including the cell body, dendrites, axon, and axon terminals, as well as the process of axonal transport. It discusses the functions of each part and their role in transmitting signals within the nervous system.
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