Cranial Nerve III: Oculomotor Nerve Function and Clinical Significance

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Questions and Answers

Which nerve is responsible for turning the eyeball inferolaterally?

  • Trigeminal Nerve (CN V)
  • Trochlear Nerve (CN IV) (correct)
  • Oculomotor Nerve (CN III)
  • Abducens Nerve (CN VI)

Which nerve is responsible for transmitting sensory information from the face, teeth, and mouth?

  • Trigeminal Nerve (CN V) (correct)
  • Optic Nerve (CN II)
  • Olfactory Nerve (CN I)
  • Oculomotor Nerve (CN III)

Which nerve is responsible for abducting the eye?

  • Oculomotor Nerve (CN III)
  • Abducens Nerve (CN VI) (correct)
  • Trigeminal Nerve (CN V)
  • Trochlear Nerve (CN IV)

Which nerve is responsible for constricting the pupil and accommodating the lens of the eye?

<p>Oculomotor Nerve (CN III) (A)</p> Signup and view all the answers

Which nerve is responsible for transmitting sensory information from the nasal cavity?

<p>Trigeminal Nerve (CN V) (A)</p> Signup and view all the answers

Which nerve is responsible for transmitting sensory information from the dura mater?

<p>Trigeminal Nerve (CN V) (A)</p> Signup and view all the answers

Which nerve is responsible for sensing smell?

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

Which cranial nerve is responsible for transmitting sensory information from the face, sinuses, teeth, and other areas?

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

Which nerve is responsible for transmitting visual information from the eye?

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

Which cranial nerve is responsible for controlling the movement of all eye muscles except those supplied by the Trochlear and Abducens Nerves?

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

Which nerve is responsible for controlling the movement of the superior oblique muscle?

<p>Trochlear Nerve (A)</p> Signup and view all the answers

Which nerve is responsible for transmitting sensory information from the posterior part of the tongue, tonsil, and pharynx?

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

What is the location of the Facial Nerve?

<p>Pontomedullary junction (A)</p> Signup and view all the answers

What is the function of the Facial Nerve?

<p>Motor and sensory functions, including facial expression, scalp muscles, and taste (D)</p> Signup and view all the answers

What is the clinical significance of Bell's Palsy?

<p>Motor paralysis of facial muscles on the ipsilateral side (D)</p> Signup and view all the answers

What type of nerve is the Vestibulocochlear Nerve?

<p>SSA - sensory (B)</p> Signup and view all the answers

What is the clinical significance of Acoustic Neuroma?

<p>Hearing loss and ataxia, with possible compression of CN V and CN VII (D)</p> Signup and view all the answers

Where does the Facial Nerve exit?

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

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