Neuroglia and Nervous System Quiz
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Questions and Answers

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

  • Regulate blood flow to the brain
  • Support and protect neurons (correct)
  • Store and release neurotransmitters
  • Initiate and transmit nerve impulses

    • What is the approximate ratio of Neuroglia to Neurons in the brain?

  • 3:1
  • 1:1
  • 5:1
  • 9:1 (correct)

    • Which component forms a protective cushion around the central nervous system (CNS)?

  • Perineurium
  • Schwann cells
  • Epineurium
  • Cerebrospinal fluid (correct)

    • What is the main function of sensory (afferent) neurons?

    <p>Send incoming messages to the CNS</p> Signup and view all the answers

    What is the role of blood-brain barrier in the body?

    <p>Act as a barrier between blood and the brain</p> Signup and view all the answers

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

    <p>Support and protect neurons</p> Signup and view all the answers

    What is the approximate ratio of Neuroglia to Neurons in the brain?

    <p>9:1</p> Signup and view all the answers

    What is the function of blood-brain barrier in the body?

    <p>Regulate the passage of substances between the blood and the brain</p> Signup and view all the answers

    Which component forms a protective cushion around the central nervous system (CNS)?

    <p>Cerebrospinal fluid</p> Signup and view all the answers

    What is the main function of sensory (afferent) neurons?

    <p>Only send incoming messages to the CNS</p> Signup and view all the answers

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