Nervous System Neurons Quiz
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Questions and Answers

What is the primary neurotransmitter released by the first neuron in the autonomic nervous system?

  • Acetylcholine (correct)
  • Epinephrine
  • Dopamine
  • Norepinephrine
  • Which division of the autonomic nervous system is responsible for the 'fight or flight' response?

  • Somatic division
  • Sympathetic division (correct)
  • Parasympathetic division
  • Central division
  • Where does the preganglionic neuron in the autonomic nervous system release acetylcholine?

  • Adrenal medulla
  • Skeletal muscle
  • Autonomic ganglion (correct)
  • Effector
  • What is the function of the second neuron in the autonomic nervous system?

    <p>Releases epinephrine or norepinephrine</p> Signup and view all the answers

    Which neuron in the autonomic nervous system is myelinated?

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

    What distinguishes the sympathetic division of the autonomic nervous system from the parasympathetic division?

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

    Which ganglia are associated with the sympathetic nervous system?

    <p>'Inside the trunk' and 'outside the trunk' ganglia both</p> Signup and view all the answers

    What makes the first neuron in the autonomic nervous system excitatory?

    <p>Type of neurotransmitter released</p> Signup and view all the answers

    How many neurons are involved in the autonomic motor system?

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

    Which neurotransmitter is released by the second neuron in the autonomic nervous system?

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

    What is the name for a collection of myelinated nerve fibers that have left the sympathetic trunk without synapsing?

    <p>Splanchnic nerve</p> Signup and view all the answers

    Which receptors are present on postganglionic neurons and are always excitatory?

    <p>Nicotinic receptors</p> Signup and view all the answers

    What type of neuron releases acetylcholine at its axon terminals?

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

    Which division of the autonomic nervous system is known as the cranialsacral division?

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

    Where are the ganglia located in the parasympathetic division of the autonomic nervous system?

    <p>Near or on the effectors</p> Signup and view all the answers

    What neurotransmitter is released by sympathetic postganglionic neurons in most effector tissues?

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

    Which pathway involves a preganglionic neuron leaving the trunk without synapsing and going to the prevertebral ganglia?

    <p>Splanchnic nerve pathway</p> Signup and view all the answers

    What type of neuron releases epinephrine or norepinephrine?

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

    Which type of receptors do effector tissues have when responding to norepinephrine?

    <p>Adrenergic receptors</p> Signup and view all the answers

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