Neuron Structure and Types Quiz
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Questions and Answers

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

  • To send neural impulses to the central nervous system from sensory receptors
  • To carry neural impulses from the brain into the body and muscles
  • To help neurons connect with each other (correct)
  • To supply some skeletal muscles

    • Which type of neuron is crucial as they act like information gatherers?

  • Alpha motor neurons
  • Afferent neurons (correct)
  • Efferent neurons
  • Interneurons

    • What distinguishes gamma motor neurons from alpha motor neurons?

  • They carry neural impulses from the brain into the body and muscles
  • They supply some skeletal muscles (correct)
  • They help connect neurons with each other
  • They have long branching axons to skeletal muscles

    • Which part of the brain is mainly involved in controlling voluntary movement?

    <p>Frontal lobe</p> Signup and view all the answers

    What is the role of the medulla oblongata in voluntary movement?

    <p>Regulation of basic life functions like breathing and heart rate</p> Signup and view all the answers

    What is the main function of the Diencephalon?

    <p>Relay messages in different parts of the brain</p> Signup and view all the answers

    Which part of the brain is responsible for coordination, body balance, and error detection and correction?

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

    What is the primary function of the Brainstem?

    <p>Combines sensory and motor information</p> Signup and view all the answers

    Which area is critical for fine motor skill coordination?

    <p>Primary motor cortex</p> Signup and view all the answers

    What distinguishes ascending tracts from descending tracts in the CNS?

    <p>Ascending tracts pass through the spinal cord and brainstem</p> Signup and view all the answers

    What is the function of a motor unit?

    <p>Initiate voluntary muscle movement</p> Signup and view all the answers

    How does motor unit recruitment influence force production according to the Henneman size principle?

    <p>Recruitment increases force production</p> Signup and view all the answers

    What is coordination in the context of movement?

    <p>Patterning body movements relative to environmental objects/events</p> Signup and view all the answers

    "Degree of freedom" in a control system refers to:

    <h1>Independent components &amp; their variation ways</h1> Signup and view all the answers

    How do open-loop control systems differ from closed-loop systems?

    <p>Open-loop systems contain all necessary information for movement execution.</p> Signup and view all the answers

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