12 Questions
What is the function of the axon hillock?
Site of electrical signal generation
Which protein is responsible for the anterograde transport of secretory vesicles along the axon?
Kinesin
Where are neurotransmitters either generated or engulfed in a neuron?
Cell body
Which type of neuron transmits information from sensory receptors in the periphery to the central nervous system (CNS)?
Afferent Neurons
What is the role of interneurons in the central nervous system (CNS)?
Involved in signal integration and reflexes
In axonal transport, which protein is responsible for transporting vesicles back to the soma?
Dynein
What is the role of microglia in the brain?
Act as immune cells that clean up cell debris or bacteria
What is the function of astrocytes in the brain?
Regulate the composition of extracellular fluid by removing excess neurotransmitters
What happens when there's an injury to an axon?
The cell body signals for the growth and differentiation of new cells to replace the axon
What is the function of ependymal cells in the CNS?
Regulate the production and flow of cerebrospinal fluid
What characterizes neural plasticity in adults?
The ability of neurons to remodel their synaptic connections can be activated through physical and cognitive activities
Why do we have few memories from infancy or toddlerhood according to the text?
Loss of original neurons that aided child development
Test your knowledge on the anatomy of a neuron, including the cell body, dendrites, axon, and axon terminals. Learn about the functions of each part and their role in transmitting signals in the nervous system.
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