Cranial Nerves and Facial Nerve Disorders

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Questions and Answers

Which of the following types of innervation is responsible for the control of skeletal muscles?

  • Visceral motor
  • Somatic sensory
  • Somatic motor (correct)
  • Visceral sensory

What is the primary function of the oculomotor nerve in relation to eye movement?

  • To control the vestibulo-ocular reflex
  • To facilitate saccades
  • To help with smooth pursuit
  • To adjust and coordinate eye position during movement (correct)

Which of the following cranial nerves is NOT responsible for controlling the position of the eyeballs?

  • Cranial nerve IV (trochlear)
  • Cranial nerve VI (abducens)
  • Cranial nerve III (oculomotor)
  • Cranial nerve V (trigeminal) (correct)

What is the term for the sensation from sensory organs, skin, skeletal muscles, and connective tissue?

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

According to Goldberg (1984), what is the name of the reflex involved in the coordination of eye movement during head rotation?

<p>Vestibulo-ocular reflex (C)</p> Signup and view all the answers

What is the approximate incidence of newborn facial paralysis?

<p>0.2% (B)</p> Signup and view all the answers

What is the name of the genetic condition that can cause congenital facial nerve disorders?

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

What is the primary cause of prenatal acquired facial nerve paralysis?

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

What is a common symptom of Mobius syndrome?

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

What is the name of the synthetic prostaglandin E1 used to treat tinnitus?

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

What is the treatment approach for Osteopetrosis?

<p>Symptomatic treatment (A)</p> Signup and view all the answers

What is the function of the stapedius muscle?

<p>Responsible for the middle ear acoustic reflex (D)</p> Signup and view all the answers

Which part of the tongue is responsible for taste due to the facial nerve?

<p>Anterior 2/3 of the tongue (D)</p> Signup and view all the answers

What is the location of the facial motor nucleus in the brain?

<p>Anterior pons (A)</p> Signup and view all the answers

Which part of the facial nerve is most susceptible to entrapment?

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

What is the function of the postauricular muscle?

<p>PAM-post auricular muscle reflex (C)</p> Signup and view all the answers

What is the pathway of the facial nerve after exiting the brainstem?

<p>Cerebellopontine angle to internal auditory canal (B)</p> Signup and view all the answers

What is the name of the artery that supplies the facial nerve in the internal auditory canal?

<p>Anterior inferior cerebellar artery (C)</p> Signup and view all the answers

Which part of the facial nerve is responsible for the lacrimal and salivary glands?

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

What is the function of the facial nerve in the posterior EAC, concha, ear lobe, and deep parts of the face?

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

What is the name of the canal that the facial nerve travels through after entering the internal auditory canal?

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

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