Structure of a Neuron Anatomy Quiz
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Questions and Answers

What is the function of the axon hillock?

  • Location where neurotransmitters are stored
  • Area where dendrites receive information
  • Site of protein synthesis
  • Site of electrical signal generation (correct)

    • Which protein is responsible for the anterograde transport of secretory vesicles along the axon?

  • Kinesin (correct)
  • Dynein
  • Ribosome
  • Actin

    • Where are neurotransmitters either generated or engulfed in a neuron?

  • Dendrites
  • Cell body (correct)
  • Axon hillock
  • Axon terminals

    • Which type of neuron transmits information from sensory receptors in the periphery to the central nervous system (CNS)?

    <p>Afferent Neurons</p> Signup and view all the answers

    What is the role of interneurons in the central nervous system (CNS)?

    <p>Involved in signal integration and reflexes</p> Signup and view all the answers

    In axonal transport, which protein is responsible for transporting vesicles back to the soma?

    <p>Dynein</p> Signup and view all the answers

    What is the role of microglia in the brain?

    <p>Act as immune cells that clean up cell debris or bacteria</p> Signup and view all the answers

    What is the function of astrocytes in the brain?

    <p>Regulate the composition of extracellular fluid by removing excess neurotransmitters</p> Signup and view all the answers

    What happens when there's an injury to an axon?

    <p>The cell body signals for the growth and differentiation of new cells to replace the axon</p> Signup and view all the answers

    What is the function of ependymal cells in the CNS?

    <p>Regulate the production and flow of cerebrospinal fluid</p> Signup and view all the answers

    What characterizes neural plasticity in adults?

    <p>The ability of neurons to remodel their synaptic connections can be activated through physical and cognitive activities</p> Signup and view all the answers

    Why do we have few memories from infancy or toddlerhood according to the text?

    <p>Loss of original neurons that aided child development</p> Signup and view all the answers

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