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5 Written questions

5 Matching questions

  1. Explain the function of the hypoglossal nerve (CNXII)
  2. What muscles responsible for extortion and intorsion of the eye?
  3. Explain the function of the pterygopalatine ganglion.
  4. What are the branches of the facial nerve?
  5. Where is the hypogloassal canal?
  1. a 1. Cervical
    2. Buccal
    3. Zygomatic
    4. Mandibular
    5. temporal
  2. b Supplies muscle of the tongue. Especially the genioglossus muscle going from the tip of the mandible to the posterior portion of the tongue.
  3. c Behind maxiallary sinus. Postganglionic sympathics from greater petrosal nerve (facial) for parasympth. of nasal/lacramal/palatine glands. also branches of the trigeminal
  4. d On the side of the foramen magnum
  5. e Extorsion: Inferior oblique and rectus
    Intorsion: Superior oblique and rectus

5 Multiple choice questions

  1. Anterior 2/3 is the facial nerve (CNVII) through lingual nerve.
    Posterior 1/3 is the glossopharngeal nerve (CN IX)
  2. Against Medial wall sits the carotid siphon and the sphenoid fossa.
    CN III, IV, VI corse through to exit out the superior orbital fissure (between the wings of the sphenoid).
    Trigeminal splits to exit (opthalmic out the superior orbital fissure, maxillary out the foramen rotunda, and mandibular out the foramen ovale).
  3. 1. Supraorbital notch
    2. Infraorbital foramen
    3. Mental foramen
  4. Receptors in the nose travel to the cell bodies in the olfactory bulb that sits on the cribiform plate of the ethmoid bone. Here axons continue to the brain.
  5. Sensory- glossopharngeal
    Motor- vagus

5 True/False questions

  1. What is the structure of duramatter.Two layers:
    1. meningeal layer (to tissue)
    2. periosteal layer (to the skull)
    The area in between the two is sinus where vein can travel.

          

  2. 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

          

  3. Explain the pathway of the facial nerve (CNVII)Supplies muscle of the tongue. Especially the genioglossus muscle going from the tip of the mandible to the posterior portion of the tongue.

          

  4. What are the functions of the trigeminal nerve (CNV)Sensory/motor
    Opthalmic- sensation to forehead and cornea
    Maxillary- sensation to maxillary and upper teeth
    Mandibular- sensation to madible and works chewing muscles

          

  5. Explain the flow of veins in the brain.Against Medial wall sits the carotid siphon and the sphenoid fossa.
    CN III, IV, VI corse through to exit out the superior orbital fissure (between the wings of the sphenoid).
    Trigeminal splits to exit (opthalmic out the superior orbital fissure, maxillary out the foramen rotunda, and mandibular out the foramen ovale).

          

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