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5 Written questions

5 Matching questions

  1. Explain the flow of veins in the brain.
  2. What are the parasympathetic ganglions in the face?
  3. Explain the specific branches of the mandibular nerve.
  4. Explain the pathway of the accessory nerve (CNXI) and the branches.
  5. What are the branches of the facial nerve?
  1. a Has a cranial and spinal root. Spinal root comes to join the cranial root in the skull and then they leave the skull. Cranial root becomes apart of the vagus nerve and the spinal root innervates the traps and sternocleidomastoid. PAIN GOES TO CERVICAL NOT CRANIAL ROOTS.
  2. b 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.
  3. c 1. Cervical
    2. Buccal
    3. Zygomatic
    4. Mandibular
    5. temporal
  4. d COPS:
    Ciliary (III), Otic (IX), Pterygopalatine (VII), Submandibular (VII).
  5. e Has the lingual (sensation to tonuge) and the mental (sensation to mandible) components.

5 Multiple choice questions

  1. Sensory/motor
    Opthalmic- sensation to forehead and cornea
    Maxillary- sensation to maxillary and upper teeth
    Mandibular- sensation to madible and works chewing muscles
  2. Where the jugular vein leaves as well as CN 9, 10, 11. (Vagus, glosspharngeal, accessory).
  3. Enters the internal acoustic meatus to hit the geniculate ganglion. Main branch goes out the stylomastoid foramen to supply face muscles, while it sends a chorda tympani branch to join lingual to go to submandibular/mental glands and carry taste. A smaller branch leaves geniculate ganglion called the greater petrosal nerve to hit the pterygopalatine ganglion and supply other glands.
  4. glossopharngeal (CNIX) sends preganglionic parasymphatetics to the parotid gland.
  5. CN 7 and CN 8 (Facial and vestibulacoclear) leave the skull.

5 True/False questions

  1. What divides the anterior, medial, and posterior cranial fossa?Sphenoid ridge- Anterior from medial
    Petrous ridge- medial from posterior

          

  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 peripheral pathway of the CNI- Olfactory nerve.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.

          

  4. Explain the function of the hypoglossal nerve (CNXII)Supplies muscle of the tongue. Especially the genioglossus muscle going from the tip of the mandible to the posterior portion of the tongue.

          

  5. Explain the peripheral pathway of the CNVIII- Vestibulocochlear nerve.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.