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5 Written Questions

5 Matching Questions

  1. What muscles responsible for extortion and intorsion of the eye?
  2. What are the functions of the trigeminal nerve (CNV)
  3. Explain the function of the pterygopalatine ganglion.
  4. Explain the peripheral pathway of the CNVII- oculomotor nerve.
  5. What is the difference between the optic nerve and the optic track? How does crossing work in the nerves of the optic nerve.
  1. a Extorsion: Inferior oblique and rectus
    Intorsion: Superior oblique and rectus
  2. b Optic Nerve: eye to chiasm
    Optic Tract: chiasm to brain
    Nasal portion nerves cross in chiasm while the lateral portions do not. Thus left field processed by right side of the brain and vice-versa.
  3. c Sensory/motor
    Opthalmic- sensation to forehead and cornea
    Maxillary- sensation to maxillary and upper teeth
    Mandibular- sensation to madible and works chewing muscles
  4. d Behind maxiallary sinus. Postganglionic sympathics from greater petrosal nerve (facial) for parasympth. of nasal/lacramal/palatine glands. also branches of the trigeminal
  5. e Has voluntary movement and parasymphthetic constriction of the eye. As such- synapse in the ciliary ganglion behind the eye and the to the brain. REMEMBER THIS SYNAPSE before going to the brain.

5 Multiple Choice Questions

  1. glossopharngeal (CNIX) sends preganglionic parasymphatetics to the parotid gland.
  2. 1. Nasopharynx
    2. Oropharynx
    3. Laryngopharynx
  3. Falx Cerebri: divides the cerebral lobes
    Tentorium Cerebelli: Divides the cerebrum from the pons- except for the tentorial notch w/ allows communication
  4. Adduction: Medial, Superior, Inferior rectus
    Abduction: Lateral, superior, inferior obliques
  5. Chorda typani (facial) post ganglionic parasympathtics to the submandibular gland and the submental gland.

5 True/False Questions

  1. Explain the structures in the cavernous sinus.Down posterior through superior saggital sinus of the falx cerebri. then through the transverse sinus of the tentorium cerebelli. then to the internal jugular vein.

          

  2. What divides the anterior, medial, and posterior cranial fossa?glossopharngeal (CNIX) sends preganglionic parasymphatetics to the parotid gland.

          

  3. Explain how taste occurs.Where the jugular vein leaves as well as CN 9, 10, 11. (Vagus, glosspharngeal, accessory).

          

  4. What are the structures of the:
    1. anterior base of the skull
    2. medial base of the skull
    3. posterior base of the skull
    1. cribiform plate with holes for the olfactory nerve
    2. Carotid canal, foramen ovale
    3. Magnum foramen, internal accousti meatus, jugular foramen

          

  5. What muscles responsible for looking up and down?Up- Superior oblique and inferior rectus
    Down- Inferior oblique and superior rectus

          

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