Parasympathetic Nervous System Easy
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Questions and Answers

Which nerve innervates the cervical, thoracic, and abdominal viscera?

  • CN I
  • CN II
  • CN X (correct)
  • CN XII
  • Which nerve is responsible for the innervation of the stomach, spleen, liver, gallbladder, pancreas, kidneys, small and large intestines until the transverse colon?

  • CN VII
  • CN III
  • CN IX
  • CN X (correct)
  • Which nerve is responsible for the innervation of smooth, cardiac muscles, and glands?

  • CN X (correct)
  • CN VII
  • CN V
  • CN XII
  • Which nerve is responsible for the innervation of the ciliary ganglion?

    <p>CN III</p> Signup and view all the answers

    Which nerve is responsible for the innervation of the otic ganglion?

    <p>CN X</p> Signup and view all the answers

    Which nerve is responsible for the innervation of the mandibular ganglion?

    <p>CN V</p> Signup and view all the answers

    Which nerve is responsible for the innervation of the pelvic organs?

    <p>CN X</p> Signup and view all the answers

    Which nerve is responsible for the innervation of the rectum?

    <p>CN X</p> Signup and view all the answers

    Which nerve is responsible for sympathetic innervation of the pelvic plexus?

    <p>CN IX</p> Signup and view all the answers

    Which nerve is responsible for sympathetic innervation of the celiacomesenteric plexus/ganglia?

    <p>CN IX</p> Signup and view all the answers

    Which nervous system is responsible for voluntary control of skeletal muscles?

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

    Which nervous system is responsible for involuntary control of smooth muscles, heart, and glands?

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

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

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

    Which branch of the autonomic nervous system is responsible for rest and digestion?

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

    Where does the synapse between preganglionic and postganglionic neurons in the autonomic nervous system most likely occur?

    <p>In the peripheral ganglia</p> Signup and view all the answers

    Which nerve is responsible for innervating the thorax and has a direct relationship with various organs in the cranial, middle, and caudal mediastinum?

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

    How do the dorsal branches of the vagus nerve join together to form a trunk?

    <p>Dorsal vagal trunk</p> Signup and view all the answers

    How do the ventral branches of the vagus nerve join together to form a trunk?

    <p>Ventral vagal trunk</p> Signup and view all the answers

    What is the branch of the vagus nerve responsible for innervating the larynx?

    <p>Recurrent laryngeal nerve</p> Signup and view all the answers

    What is the nerve responsible for innervating pelvic organs?

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

    Which part of the nervous system is responsible for controlling involuntary bodily functions?

    <p>General Visceral Efferent</p> Signup and view all the answers

    What is the main function of the Parasympathetic Nervous System?

    <p>Control of involuntary bodily functions</p> Signup and view all the answers

    How many pathways are involved in producing a visceral effect?

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

    How many efferent neurons are needed in each pathway to innervate the target organ?

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

    Which neurotransmitter is involved in the first communication between neurons in the parasympathetic pathway?

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

    Where are the intramural ganglia located in the parasympathetic pathway?

    <p>Within the target organ</p> Signup and view all the answers

    Which part of the nervous system is responsible for controlling smooth, cardiac muscles, and glands?

    <p>General Visceral Efferent</p> Signup and view all the answers

    Which cranial nerves are involved in the parasympathetic pathway?

    <p>III, VII, IX</p> Signup and view all the answers

    Which part of the body does the vagus nerve primarily innervate?

    <p>Thorax and abdomen</p> Signup and view all the answers

    What is the main motor nerve for the skeletal muscles of the larynx?

    <p>Recurrent laryngeal nerve</p> Signup and view all the answers

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