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

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

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

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

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

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

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

Which nerve is responsible for the innervation of the rectum?

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

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

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

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

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

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

<p>Somatic nervous system (A)</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 (B)</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 (D)</p> Signup and view all the answers

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

<p>Parasympathetic nervous system (A)</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 (B)</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 (D)</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 (B)</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 (C)</p> Signup and view all the answers

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

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

What is the nerve responsible for innervating pelvic organs?

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

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

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

What is the main function of the Parasympathetic Nervous System?

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

How many pathways are involved in producing a visceral effect?

<p>Two (C)</p> Signup and view all the answers

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

<p>Two (B)</p> Signup and view all the answers

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

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

Where are the intramural ganglia located in the parasympathetic pathway?

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

Which cranial nerves are involved in the parasympathetic pathway?

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

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

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

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

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

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