Vagus Nerves Quiz

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Questions and Answers

Which type of muscle is supplied by sympathetics only?

  • Skeletal muscle
  • Striated muscle
  • Cardiac muscle
  • Smooth muscle (correct)

Where does the cell body of the postganglionic neuron in the autonomic nervous system reside?

  • Target organ
  • Brain stem
  • Autonomic ganglion (correct)
  • Grey matter of the spinal cord

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

  • Sympathetic nervous system (correct)
  • Parasympathetic nervous system
  • Both sympathetic and parasympathetic nervous systems
  • None of the above

Which cranial nerve is responsible for the parasympathetic innervation of the thoracic viscera?

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

Which nerve winds around the right subclavian artery?

<p>Recurrent laryngeal nerve of the right vagus (B)</p> Signup and view all the answers

Which muscles are supplied by the recurrent laryngeal nerves?

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

Which division of the autonomic nervous system controls body temperature?

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

Where do the preganglionic cell bodies of the sympathetic nervous system reside?

<p>Intermediolateral horn of T1-L2 spinal cord (A)</p> Signup and view all the answers

Which part of the nervous system is under the control of the hypothalamus?

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

What is the function of the sympathetic nervous system on bronchial smooth muscles?

<p>Relaxes bronchial smooth muscles (D)</p> Signup and view all the answers

What is the term for the nerves that exert opposite effects in a particular organ or tissue?

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

How many paravertebral sympathetic ganglia are there?

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

What are the two divisions of the autonomic nervous system?

<p>Sympathetic and Parasympathetic (D)</p> Signup and view all the answers

Which part of the nervous system includes the brain and spinal cord?

<p>Central Nervous System (D)</p> Signup and view all the answers

Which part of the nervous system includes the cranial and spinal nerves?

<p>Peripheral Nervous System (A)</p> Signup and view all the answers

What is the term for the sensory division of the peripheral nervous system that carries information from the body to the CNS?

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

What is the term for the motor division of the peripheral nervous system that controls voluntary muscle movements?

<p>Somatic motor (A)</p> Signup and view all the answers

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

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

Which division of the autonomic nervous system is responsible for the 'rest and digest' response?

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

What is the term for the condition characterized by a combination of symptoms including drooping eyelids, constricted pupils, and decreased sweating on one side of the face?

<p>Horner's syndrome (B)</p> Signup and view all the answers

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