Respiratory System Nerve Innervations Quiz
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Questions and Answers

Which cranial nerve provides sensory innervation to the upper portion of the nose?

  • CN V
  • CN I (correct)
  • CN IX
  • CN VII
  • Which cranial nerve is responsible for the sensory innervation of the laryngopharynx and trachea?

  • CN VII
  • CN XII
  • CN X (correct)
  • CN V
  • Which cranial nerve provides sensory innervation to the root of the tongue's posterior 1/3?

  • CN IX (correct)
  • CN V
  • CN VII
  • CN X
  • Which cranial nerve is involved in parasympathetic stimulation that increases mucous gland production in the nose?

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

    Which cranial nerve carries motor fibers to the palatoglossus muscle?

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

    Which cranial nerve provides sensory innervation to the lingual branch for pain, touch, and temperature to the anterior 2/3 of the tongue?

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

    Which cranial nerve carries motor fibers to the stylopharyngeus muscle?

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

    Which cranial nerve carries motor fibers to all muscles of the tongue, except the palatoglossus muscle?

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

    What cranial nerve is responsible for carrying motor fibers to the sternocleidomastoid muscle?

    <p>Spinal Accessory Nerve (Cranial Nerve XI)</p> Signup and view all the answers

    Which nerve innervates the cerebral blood vessels that dilate with stimulation?

    <p>Superior Laryngeal Nerve (SLN)</p> Signup and view all the answers

    What is the motor function of the Long thoracic nerve?

    <p>Serratus anterior</p> Signup and view all the answers

    Which nerve's sensory block is utilized for awake intubation?

    <p>Internal Laryngeal Nerve</p> Signup and view all the answers

    What is the sensory function of the Pharyngeal Plexus?

    <p>Most of pharynx</p> Signup and view all the answers

    Which nerve provides sensory innervation to the lower vocal cords?

    <p>Inferior Laryngeal Nerve</p> Signup and view all the answers

    Which nerve innervates the mucous glands of the trachea?

    <p>Pulmonary Plexus</p> Signup and view all the answers

    What is the motor function of the Pectoral nerves?

    <p>Pectoralis major and minor</p> Signup and view all the answers

    What is the sensory function of the Ventral Rami and Dermatomes of Anterior Thoracic Wall?

    <p>Nipple = T4 Xiphoid process = T6 dermatome (T9 vertebra) Umbilicus = T10</p> Signup and view all the answers

    What is the motor function of the Intercostal nerves (lower)?

    <p>Intercostal muscles</p> Signup and view all the answers

    Which nerves provide motor fibers in plexus derived from CN X except stylopharyngeus (CN IX)?

    <p>Most of pharynx</p> Signup and view all the answers

    What is the motor function of the C3-C8 nerves?

    <p>Anterior, middle, and posterior scalene muscles</p> Signup and view all the answers

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