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5 Written questions

5 Matching questions

  1. What are the components of the gag reflex?
  2. Explain the function of the submandibular ganglion.
  3. Explain the pathway of the facial nerve (CNVII)
  4. Where is the hypogloassal canal?
  5. What muscles responsible for looking up and down?
  1. a Sensory- glossopharngeal
    Motor- vagus
  2. b Chorda typani (facial) post ganglionic parasympathtics to the submandibular gland and the submental gland.
  3. c 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. d Up- Superior oblique and inferior rectus
    Down- Inferior oblique and superior rectus
  5. e On the side of the foramen magnum

5 Multiple choice questions

  1. 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. 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. Where the jugular vein leaves as well as CN 9, 10, 11. (Vagus, glosspharngeal, accessory).
  4. 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. Has the lingual (sensation to tonuge) and the mental (sensation to mandible) components.

5 True/False questions

  1. 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

          

  2. Explain the internal acoustic meatus?Where the jugular vein leaves as well as CN 9, 10, 11. (Vagus, glosspharngeal, accessory).

          

  3. Explain the pathway of the accessory nerve (CNXI) and the branches.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. What are the branches of the facial nerve?Sensory- glossopharngeal
    Motor- vagus

          

  5. Explain branching of the internal carotid artery.Splits into:
    1. opthalmic (eye supply)
    2. Middle cerebral (lateral side of brain)
    3. Anterior cerebral (anterior medial portion of the brain)
    Anastomoses with the vertebral artery.

          

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