Test your knowledge on the process of skeletal muscle cell activation in respons...
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Questions and Answers

Which component of an alpha motor neuron activates a skeletal muscle cell?

  • Terminal component
  • Intermediate component
  • Distal component (correct)
  • Proximal component

    • What triggers the voltage-gated Ca+ channels to open in the terminal axon of an alpha motor neuron?

  • An action potential reaching the terminal axon (correct)
  • A decrease in the concentration of Ca+ outside the cell
  • A change in the shape of the Ca+ channels
  • An increase in the concentration of Ca+ inside the cell

    • What is the role of AcH in the activation of a skeletal muscle cell by an alpha motor neuron?

  • It binds with ligand-gated Na+ channels on the postsynaptic membrane (correct)
  • It fuses with intracellular synaptic vesicles
  • It increases the concentration of Ca+ inside the cell
  • It triggers the voltage-gated Ca+ channels to open

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