Nervous System Functions and Control Quiz
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Questions and Answers

What is the main function of the sensory division of the peripheral nervous system?

  • Initiating responses in the brain and spinal cord
  • Maintaining homeostasis
  • Receiving sensory input from the receptors and carrying messages to the brain (correct)
  • Controlling muscles and glands
  • Which of the following is NOT included in the central nervous system (CNS)?

  • Spinal cord
  • Motor neurons (correct)
  • Brain
  • Cranial nerves
  • What is the integrative function of the nervous system responsible for?

  • Establishing and maintaining mental ability
  • Processing sensory input and initiating responses (correct)
  • Controlling muscles and glands
  • Receiving sensory input from the receptors
  • Which division of the nervous system carries impulses from the central nervous system to effector organs such as muscles and glands?

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

    What is the main responsibility of the peripheral nervous system's sensory (afferent) division?

    <p>Receive sensory input from receptors and carry messages to the brain</p> Signup and view all the answers

    The somatic nervous system is responsible for the voluntary control of which type of muscle?

    <p>Skeletal muscle</p> Signup and view all the answers

    Which division of the autonomic nervous system is responsible for 'fight or flight' responses?

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

    Which unique subdivision of the peripheral nervous system is contained wholly within the digestive tract?

    <p>Enteric nervous system</p> Signup and view all the answers

    What is the function of dendrites in a neuron?

    <p>Conduct impulses toward the cell body</p> Signup and view all the answers

    What is the role of astrocytes in the nervous system?

    <p>Form barriers between capillaries and neurons</p> Signup and view all the answers

    Which neurotransmitter is associated with pleasure and reward in the brain?

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

    What type of neurons carry sensory information from the body to the central nervous system?

    <p>Sensory neurons (afferent neurons)</p> Signup and view all the answers

    Which type of glial cells are more numerous than neurons and retain their ability to divide?

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

    What type of messages do interneurons (association neurons) carry?

    <p>Messages between sensory and motor neurons within the central nervous system</p> Signup and view all the answers

    What is the name of the gaps in the myelin sheath along the axon that assist in developing action potentials for nerve transmission?

    <p>Nodes of Ranvier</p> Signup and view all the answers

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