Neurophysiology and Nerve Cell Signaling Quiz
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Questions and Answers

Which term refers to the brief electrical signal that travels along the membrane of a neuron or muscle cell?

  • Efferent
  • Action potential (correct)
  • Reflex
  • Afferent
  • Which term refers to nerve fibers that carry sensory information from the body to the central nervous system (CNS)?

  • Synapse
  • Afferent (correct)
  • Efferent
  • Depolarize
  • Which of the following terms is associated with nerve fibers that carry motor commands from the CNS to muscles and glands?

  • Reflex
  • Efferent (correct)
  • Static equilibrium
  • Myelin
  • What process involves a change in the electrical potential across the membrane of a neuron?

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

    Which term refers to the fatty substance that insulates and speeds up the conduction of nerve impulses along axons?

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

    What is the term for an automatic and involuntary response to a stimulus?

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

    Which term describes the voltage difference across the cell membrane of a resting neuron?

    <p>Resting membrane potential</p> Signup and view all the answers

    What is the specialized junction between two nerve cells where they communicate with each other?

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

    Which term refers to the pathways in the spinal cord that transmit signals from the brain to motor neurons in the spinal cord?

    <p>Descending tracts</p> Signup and view all the answers

    Which of the following roots means 'stomach'?

    <p>Gastr-</p> Signup and view all the answers

    Which term refers to the brief electrical signal that travels along the membrane of a neuron or muscle cell?

    <p>Action potential</p> Signup and view all the answers

    Which term refers to nerve fibers that carry sensory information from the body to the central nervous system (CNS)?

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

    Which of the following terms is associated with nerve fibers that carry motor commands from the CNS to muscles and glands?

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

    What process involves a change in the electrical potential across the membrane of a neuron?

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

    Which term refers to the fatty substance that insulates and speeds up the conduction of nerve impulses along axons?

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

    What is the term for an automatic and involuntary response to a stimulus?

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

    Which term describes the voltage difference across the cell membrane of a resting neuron?

    <p>Resting membrane potential</p> Signup and view all the answers

    What is the specialized junction between two nerve cells where they communicate with each other?

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

    Which term refers to the pathways in the spinal cord that transmit signals from the brain to motor neurons in the spinal cord?

    <p>Descending tracts</p> Signup and view all the answers

    Which of the following roots means 'stomach'?

    <p>Gastr-</p> Signup and view all the answers

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