Neural Cells in the Nervous System Quiz
17 Questions
0 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What is the main function of microglia in the brain?

  • Phagocytizing cellular wastes and pathogens (correct)
  • Producing cerebrospinal fluid
  • Creating myelin sheath around axons
  • Supporting groups of cell bodies of neurons
  • Which type of neuroglia surrounds all axons of neurons in the peripheral nervous system?

  • Ependymal cells
  • Satellite cells
  • Microglia
  • Schwann cells (correct)
  • What is the primary function of ependymal cells in the central nervous system?

  • Supporting groups of cell bodies of neurons
  • Producing and circulating cerebrospinal fluid (correct)
  • Phagocytizing cellular wastes and pathogens
  • Creating a myelin sheath around axons
  • In the peripheral nervous system, what do satellite cells support within ganglia?

    <p>Cell bodies of neurons</p> Signup and view all the answers

    What is the function of Schwann cells in relation to axons in the peripheral nervous system?

    <p>Creating a myelin sheath around most axons</p> Signup and view all the answers

    What is the characteristic feature of skeletal muscle that makes it different from cardiac and smooth muscle?

    <p>'Stripy' appearance due to actin and myosin filaments</p> Signup and view all the answers

    What is the primary function of myelin sheath in the nervous system?

    <p>To speed up transmission of action potentials along the axon</p> Signup and view all the answers

    Which type of cells create the 'blood-brain barrier' in the nervous system?

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

    What is the primary composition of 'white matter' in the nervous system?

    <p>Myelinated axons</p> Signup and view all the answers

    Which neuroglia cell type is responsible for forming myelin sheath around axons in the CNS?

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

    What is the main role of ependymal cells in the nervous system?

    <p>Line the cerebral ventricles and spinal cord central canal</p> Signup and view all the answers

    What is the main function of the blood-brain barrier?

    <p>Prevents harmful substances from entering the brain</p> Signup and view all the answers

    Which of the following is responsible for the formation of the myelin sheath around axons?

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

    What is the primary function of white matter in the brain?

    <p>Insulating and increasing the speed of nerve impulse conduction</p> Signup and view all the answers

    Which of the following is NOT a structural component of a neuron?

    <p>Schwann cell</p> Signup and view all the answers

    What is the main function of microglia in the nervous system?

    <p>Phagocytosis and immune defense</p> Signup and view all the answers

    In terms of structure, what differentiates gray matter from white matter in the brain?

    <p>Presence of cell bodies and dendrites</p> Signup and view all the answers

    More Like This

    Ch 15&amp;16 brain/neurons
    5 questions

    Ch 15&amp;16 brain/neurons

    EquitableSugilite9692 avatar
    EquitableSugilite9692
    Neural Transmission Overview
    60 questions
    Use Quizgecko on...
    Browser
    Browser