Sympathetic Nervous System Effector Organ Quiz
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Questions and Answers

Which division of the nervous system controls conscious control such as movement and respiration?

  • Both ANS and SNS
  • Neither ANS nor SNS
  • Autonomic Nervous System (ANS)
  • Somatic Nervous System (SNS) (correct)
  • Which of the following is true about the Autonomic Nervous System (ANS)?

  • It influences immune functions
  • It controls and integrates visceral functions (correct)
  • It controls conscious control
  • It influences cancer development and progression
  • Which nerve influences immune functions and some CNS functions according to new evidence?

  • Autonomic nerve
  • Presynaptic nerve
  • Vagus nerve (correct)
  • Somatic nerve
  • Which neurotransmitter is the primary transmitter at most sympathetic postganglionic nerve endings?

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

    True or False: Autonomic drugs act only like hormones.

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

    What kind of receptors can be found in the Enteric Nervous System?

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

    The sympathetic division of the Autonomic Nervous System is responsible for the 'Fight-or-Flight' response. What is the parasympathetic division responsible for?

    <p>Rest and Digest</p> Signup and view all the answers

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

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

    Which neurotransmitter binds to nicotinic receptors in the autonomic nervous system?

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

    Which division of the autonomic nervous system has longer post-ganglionic fibers?

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

    Which effect does the sympathetic division have on the heart rate?

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

    Which neurotransmitter is the only effector organ of the sympathetic nervous system that uses acetylcholine as its neurotransmitter?

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

    Which type of receptors are found in the heart and are activated by acetylcholine?

    <p>M2</p> Signup and view all the answers

    What is the mode of action for M1, M3, and M5 receptors when acetylcholine binds to them?

    <p>Formation of IP3 and DAG</p> Signup and view all the answers

    Which drug prevents the release of acetylcholine in the synapse, causing paralysis?

    <p>Botulinum Toxin</p> Signup and view all the answers

    Which enzyme is responsible for the conversion of tyrosine to dopamine in adrenergic transmission?

    <p>Tyrosine hydroxylase</p> Signup and view all the answers

    Which drug inhibits the release of norepinephrine in adrenergic transmission?

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

    Which neurotransmitter is broken down by acetylcholinesterase into choline and acetate?

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

    Which drug is used to treat hypertension caused by over release of norepinephrine and epinephrine in pheochromocytoma?

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

    Which of the following is NOT a type of adrenoreceptor that responds to catecholamines like norepinephrine?

    <p>Gamma-adrenoreceptors</p> Signup and view all the answers

    Which process is responsible for the termination of synaptic activity of norepinephrine?

    <p>Uptake 1 or reuptake 1</p> Signup and view all the answers

    Which enzyme is responsible for the degradation of epinephrine, norepinephrine, and dopamine into 3-Methoxy-4-hydroxymandelic acids (VMA) and metanephrines?

    <p>Catechol-O-methyltransferase (COMT)</p> Signup and view all the answers

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