Week 129 Autonomic Nervous System

21 Questions | Total Attempts: 1544

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Autonomic Nervous System Quizzes & Trivia

A self-test for week 129, the Autonomic Nervous System


Questions and Answers
  • 1. 
    Activation of the sympathetic system results in which set of responses
    • A. 

      "Fight or Flight"

    • B. 

      "Rest and Digest"

  • 2. 
    Activation of the sympathetic system will result in (tick all that apply)
    • A. 

      Pupil dilation

    • B. 

      Increase in heart rate and force

    • C. 

      Increase in saliva production

    • D. 

      Increase in urine production

    • E. 

      Increased adrenaline production by the adrenal medulla

  • 3. 
    Activation of the parasympathetic system will result in (tick all that apply)
    • A. 

      Increased production of gastric juices

    • B. 

      Relaxation of the bladder wall

    • C. 

      Contraction of the bronchial muscles

    • D. 

      Increased mucus production from the nasal mucosa

    • E. 

      Decreased intestinal motility

  • 4. 
    Preganglionic neurons of the parasympathetic system arise from (tick all that apply)
    • A. 

      Cranial nerve III (Oculomotor)

    • B. 

      Cranial nerve IV (Trochlear)

    • C. 

      Cranial Nerve X (Vagus)

    • D. 

      Thoracic segments T2-T4

    • E. 

      Sacral segments S2-S4

  • 5. 
    Released by the preganglionc neurones of the parasympathetic system
    • A. 

      Acetylcholine

    • B. 

      Noradrenaline

  • 6. 
    Released by the preganglionc neurones of the sympathetic system
    • A. 

      Acetylcholine

    • B. 

      Noradrenaline

  • 7. 
    Released by the postganglionic neurones of the parasympathetic system
    • A. 

      Acetylcholine

    • B. 

      Noradrenaline

  • 8. 
    Released by the postganglionic neurones of the sympathetic system
    • A. 

      Acetylcholine

    • B. 

      Noradrenaline

  • 9. 
    Nicotinic acetylcholine receptors are (tick all that apply)
    • A. 

      Located on postganglionic neurones of both sympathetic and parasympathetic systems

    • B. 

      Ionotropic

    • C. 

      Activated by nicotine

    • D. 

      Blocked by propanolol

    • E. 

      Stimulated by clonidine

  • 10. 
    Muscarinic acetlycholine receptors are (tick all that apply)
    • A. 

      Located on the effector organs of the sympathetic system

    • B. 

      Located on the effector organs of the parasympathetic system

    • C. 

      Blocked by nicotine

    • D. 

      Blocked by prazosin

    • E. 

      Stimulated by pilocarpine

  • 11. 
    Propanolol
    • A. 

      Is an agonist of alpha-adrenergic receptors

    • B. 

      Is an antagonist of alpha-adrenergic receptors

    • C. 

      Is an agonist of beta-adrenergic receptors

    • D. 

      Is an antagonist of beta-adrenergic receptors

  • 12. 
    Clonidine
    • A. 

      Is an agonist of alpha-1 adrenergic receptors

    • B. 

      Is an antagonist of alpha-1 adrenergic receptors

    • C. 

      Is an agonist of alpha-2 adrenergic receptors

    • D. 

      Is an antagonist of alpha-2 adrenergic receptors

  • 13. 
    Effector organs are innervated by postganglionic neurones. The ganglia from which those postganglionic neurones arise are themselves innervated by preganglionic neurones which arise in the central nervous system. Can you identify an exception; an organ which is directly innervated by preganglionic neurones?
    • A. 

      Adrenal Medulla

    • B. 

      Heart

    • C. 

      Lungs

    • D. 

      Salivary glands

    • E. 

      Stomach

  • 14. 
    Referred pain is
    • A. 

      Pain that spreads beyond the site of injury due to the actions of inflammatory cytokines released at the site of injury

    • B. 

      Pain that a GP cannot explain and thus requires the opinion of a consultant

    • C. 

      When a painful skin condition results in painful sensations in visceral organs whose autonomic innervation enters the spinal cord at the same level as that of the injured skin

    • D. 

      Pain that is felt "centrally" (ie not localised) due to it being carried by the autonomic nervous system rather than specialised nociceptors

    • E. 

      Pain felt at a site that is not itself injured, due to the sensory innervation for that site entering the spinal cord at the same level as the sensory innervation for an injured site

  • 15. 
    Sympathetic preganglionc neurons (tick all that apply)
    • A. 

      Are myelinated

    • B. 

      Release noradrenaline

    • C. 

      Arise in the spinal cord

    • D. 

      Terminate on effector organs

    • E. 

      Always terminate in the sympathetic chain

  • 16. 
    Orthostatic hypotension (tick all that apply)
    • A. 

      Is more prevalent in the elderly

    • B. 

      Is usually treated with acetylcholinesterase inhibitors

    • C. 

      Is usually treated with "ganglion blockers"

    • D. 

      Is a side effect of drugs which block the alpha-1 adrenergic receptor

    • E. 

      Is a drop in blood pressure caused by the autonomic system not "reacting quickly enough" when rising to a standing position

  • 17. 
    A division of the autonomic nervous system that controls gastrointestinal motility and secretion
    • A. 

      Amygdala

    • B. 

      Enteric

    • C. 

      Madonna

    • D. 

      Substantia gelatinosa

    • E. 

      Submandibular ganglion

  • 18. 
    Which of the cranial nerves contributes the parasympathetic innervation of the abdominal and thoracic viscera
    • A. 

      Cranial nerve III (Oculomotor)

    • B. 

      Cranial nerve VII (Facial)

    • C. 

      Cranial Nerve IX (Glossopharyngeal)

    • D. 

      Cranial Nerve X (Vagus)

  • 19. 
    Sympathetic innervation of the viscera is carried via which nerves
    • A. 

      Auriculotemporal

    • B. 

      Lacrimal

    • C. 

      Pelvic

    • D. 

      Petrosal

    • E. 

      Splanchnic

  • 20. 
    Sympathetic postganglionic neurons innervating the structures of the face arise from which ganglion?
    • A. 

      Ciliary

    • B. 

      Coeliac

    • C. 

      Inferior cervical

    • D. 

      Superior cervical

    • E. 

      Superior mesenteric

  • 21. 
    Parasympathetic postganglionic neurones innervating the lacrimal gland arise from which ganglion
    • A. 

      Ciliary

    • B. 

      Otic

    • C. 

      Pterygopalatine

    • D. 

      Submandibular

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