Mastering the Science of Action Potentials
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Questions and Answers

Which theory proposed that hydraulic pressure flowing through hollow nerves allows muscles to contract?

  • The theory of sensory organs
  • The theory of hydraulic pressure (correct)
  • The theory of action potentials
  • The theory of electricity

    • Who proposed the theory of electricity in relation to action potentials?

  • A Greek philosopher
  • Galen
  • Luigi Galvani (correct)
  • A Greek physician

    • What is the main purpose of action potentials?

  • To stimulate sensory organs
  • To initiate cation influx
  • To allow one neuron to communicate with another (correct)
  • To increase intracellular calcium levels

    • What initiates action potentials in neurons?

    <p>Voltage-gated ion channels</p> Signup and view all the answers

    Which type of neurons stimulate muscles to allow increases in intracellular calcium?

    <p>Motor neurons</p> Signup and view all the answers

    Which of the following is NOT a property of action potentials?

    <p>They are initiated by sensory organs</p> Signup and view all the answers

    What is the main function of sensory organs in relation to action potentials?

    <p>To initiate cation influx and depolarize neurons</p> Signup and view all the answers

    Who proposed the theory of electricity in relation to action potentials?

    <p>Luigi Galvani</p> Signup and view all the answers

    What is the purpose of action potentials?

    <p>To integrate all of a neuron's inputs</p> Signup and view all the answers

    Which ions are involved in action potentials?

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

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