Nervous System Quiz
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Questions and Answers

What is the main neurotransmitter at the ganglionic synapse in the sympathetic nervous system?

  • Dopamine
  • Acetylcholine (ACH) (correct)
  • Norepinephrine (NE)
  • Serotonin

    • Which division of the autonomic nervous system controls generally involuntary physiologic functions?

  • Sympathetic
  • Somatic
  • Enteric
  • Parasympathetic (correct)

    • In which segment does the parasympathetic division of the autonomic nervous system branch through?

  • Cranial and sacral (correct)
  • Thoracic and lumbar
  • Lumbar and sacral
  • Cervical and sacral

    • Which receptor type is mainly stimulated by beta-adrenergic drugs?

    <p>β1-receptors</p> Signup and view all the answers

    What is the enzyme that metabolizes excess acetylcholine (ACH) at the parasympathetic nerve ending?

    <p>Acetylcholinesterase (ACHE)</p> Signup and view all the answers

    Which neurotransmitter is stored in the nerve terminal and released with a nerve impulse in the autonomic nervous system?

    <p>Norepinephrine (NE)</p> Signup and view all the answers

    Which type of neuron has very long preganglionic neurons and short postganglionic neurons?

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

    Which division of the autonomic nervous system is generally dominant when the body is at rest?

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

    What is the main neurotransmitter at the neuroeffector site in the parasympathetic system?

    <p>Acetylcholine (ACH)</p> Signup and view all the answers

    Which receptor type is mainly stimulated by alpha-adrenergic drugs?

    <p>α1-receptors</p> Signup and view all the answers

    Which receptor type is found throughout the body and is stimulated by muscarinic (M) receptors?

    <p>Nicotinic-1 (N1) receptors</p> Signup and view all the answers

    Which receptor type is mainly stimulated by cholinergic drugs?

    <p>Muscarinic (M) receptors</p> Signup and view all the answers

    What is the main neurotransmitter at the neuroeffector site in the sympathetic system?

    <p>Norepinephrine (NE)</p> Signup and view all the answers

    Which division of the autonomic nervous system branches through thoracic and lumbar segments?

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

    What is the enzyme that metabolizes excess acetylcholine (ACH) at the parasympathetic nerve ending?

    <p>Acetylcholinesterase (ACHE)</p> Signup and view all the answers

    Which type of neuron has very long preganglionic neurons and short postganglionic neurons?

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

    Which receptor type is found at all autonomic nervous system ganglion sites?

    <p>Nicotinic-1 (N1)</p> Signup and view all the answers

    Which division of the autonomic nervous system generally decreases the cardiovascular system's activity?

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

    Which receptor type is mainly stimulated by adrenergic drugs to treat bradycardia?

    <p>β1-receptors</p> Signup and view all the answers

    Which receptor type is mainly blocked by beta-blockers?

    <p>β1-receptors</p> Signup and view all the answers

    Which type of drugs mimic sympathetic action and stimulate norepinephrine (NE) release?

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

    Which receptor type is mainly stimulated by alpha-adrenergic drugs to cause vasoconstriction?

    <p>α1-receptors</p> Signup and view all the answers

    Which type of drugs affect ganglion, parasympathetic neuroeffector site, or muscular junction by stimulating acetylcholine (ACH) release?

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

    Which receptor type is mainly stimulated by beta-adrenergic drugs to treat heart failure by stimulating cardiac contractions?

    <p>β1-receptors</p> Signup and view all the answers

    Which receptor type is mainly blocked by beta-blockers to decrease heart rate and force of heart contractions?

    <p>β1-receptors</p> Signup and view all the answers

    In which segment does the parasympathetic division of the autonomic nervous system branch through?

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

    Which type of neuron has very long preganglionic neurons and short postganglionic neurons?

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

    Which type of drugs mimic sympathetic action and stimulate norepinephrine (NE) release?

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

    What is the main neurotransmitter at the ganglionic synapse in the sympathetic nervous system?

    <p>Acetylcholine (ACH)</p> Signup and view all the answers

    Which receptor type is found at all autonomic nervous system ganglion sites?

    <p>Nicotinic-1 (N1) receptors</p> Signup and view all the answers

    What is the main neurotransmitter at the neuroeffector site in the sympathetic system?

    <p>Norepinephrine (NE)</p> Signup and view all the answers

    Which neurotransmitter is stored in the nerve terminal and released with a nerve impulse in the autonomic nervous system?

    <p>Acetylcholine (ACH)</p> Signup and view all the answers

    Which receptor type is mainly stimulated by cholinergic drugs?

    <p>Muscarinic (M) receptors</p> Signup and view all the answers

    Which receptor type is mainly stimulated by alpha-adrenergic drugs?

    <p>α-receptors</p> Signup and view all the answers

    What is the main neurotransmitter at the neuroeffector site in the parasympathetic system?

    <p>Acetylcholine (ACH)</p> Signup and view all the answers

    What is the main function of the sympathetic nervous system?

    <p>To stimulate the body for the 'fight or flight' response during potential danger</p> Signup and view all the answers

    What is the primary role of the parasympathetic nervous system?

    <p>To inhibit the body from overworking and restore it to a calm state</p> Signup and view all the answers

    Which neurotransmitter is primarily associated with the sympathetic nervous system's ganglionic synapse?

    <p>Norepinephrine (NE)</p> Signup and view all the answers

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