Nervous System Structure and Function
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Questions and Answers

Which part of the nervous system is responsible for voluntary control of skeletal muscle?

  • Central nervous system
  • Somatic nervous system (correct)
  • Autonomic nervous system
  • Peripheral nervous system

    • What is the role of motor neurons in the peripheral nervous system?

  • Convey signals from the central nervous system to muscles (correct)
  • Convey sensory signals to the central nervous system
  • Interpret signals in the brain
  • Control metabolism of the neurons

    • What is the function of dendrites in a neuron?

  • Control metabolism of the neuron
  • Receive messages from other cells (correct)
  • Control voluntary muscle movement
  • Pass messages away from the cell body

    • Which division of the peripheral nervous system is responsible for involuntary control of glands and smooth muscle?

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

    Which part of the neuron controls metabolism and maintenance of the cell?

    <p>Cell body/Soma</p> Signup and view all the answers

    What type of control does the sympathetic division of the autonomic nervous system exhibit?

    <p>Fight or flight</p> Signup and view all the answers

    What is the function of the myelin sheath in neural transmission?

    <p>Insulates the axon and speeds up the transmission of information</p> Signup and view all the answers

    Which type of neuron carries messages from the CNS to muscles for movement?

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

    What is the role of sensory neurons in neural transmission?

    <p>Receive messages from the outside world into the CNS</p> Signup and view all the answers

    What is the direction of transmission from the dendrites to the axon terminal in neural signaling?

    <p>Electrical/neuron</p> Signup and view all the answers

    What process involves excess neurotransmitters being re-absorbed by the pre-synaptic neuron?

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

    In what way does the myelin sheath impact neural transmission?

    <p>Speeds up transmission by insulating the axon</p> Signup and view all the answers

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