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 (A)</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 (B)</p> Signup and view all the answers

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

<p>Reflex (D)</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 (D)</p> Signup and view all the answers

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

<p>Synapse (D)</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 (D)</p> Signup and view all the answers

Which of the following roots means 'stomach'?

<p>Gastr- (A)</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 (B)</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 (D)</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 (A)</p> Signup and view all the answers

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

<p>Depolarize (C)</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 (B)</p> Signup and view all the answers

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

<p>Reflex (A)</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 (B)</p> Signup and view all the answers

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

<p>Synapse (D)</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 (A)</p> Signup and view all the answers

Which of the following roots means 'stomach'?

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

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