Suboccipital Space Anatomy Quiz
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Questions and Answers

What structure appears in the suboccipital triangle through the foramen transversum of C1 vertebra?

  • Sub-occipital venous plexus
  • Vertebral artery 3rd part (correct)
  • Occipital artery
  • Dorsal ramus of C1 suboccipital nerve
  • Which structure around the sub-occipital triangle serves as an alternative route for venous drainage?

  • Sub-occipital venous plexus (correct)
  • Vertebral artery 3rd part
  • Internal jugular vein
  • Dorsal ramus of C1 suboccipital nerve
  • Where does the dorsal ramus of C1 suboccipital nerve emerge before breaking up into branches to supply the suboccipital muscles?

  • Between the sub-occipital venous plexus and the vertebral artery
  • Between the vertebral artery and the atlas
  • Between the posterior arch of atlas and the vertebral artery (correct)
  • Between the foramen transversum and the dorsal ramus
  • Which artery supplies the sub-occipital muscles within the suboccipital triangle?

    <p>Vertebral artery 3rd part (D)</p> Signup and view all the answers

    What serves as a connection point for many veins and plexuses around the sub-occipital triangle?

    <p>Sub-occipital venous plexus (D)</p> Signup and view all the answers

    In a fracture involving the pterion, which artery may be at risk of injury resulting in extradural hematoma?

    <p>Middle meningeal artery (B)</p> Signup and view all the answers

    Which nerve 'hitchhikes' along the auriculotemporal nerve to reach the parotid gland?

    <p>Lingual nerve (A)</p> Signup and view all the answers

    What is the main source of taste innervation for the anterior 2/3 of the tongue?

    <p>Lingual nerve (A)</p> Signup and view all the answers

    What collection of neuron cell bodies constitutes a parasympathetic ganglion in the region?

    <p>Otic ganglion (C)</p> Signup and view all the answers

    Which vascular structure provides a potential route for infections of the face to spread intracranially?

    <p>Pterygoid venous plexus (B)</p> Signup and view all the answers

    What vein drains the eye and is connected to the cavernous sinus?

    <p>Maxillary vein (B)</p> Signup and view all the answers

    The maxillary artery gives rise to which artery within the infratemporal fossa?

    <p>Middle meningeal artery (C)</p> Signup and view all the answers

    In fractures of the pterion, what dangerous complication can arise due to an extradural hematoma?

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

    Which structure can be accessed through drilling burr holes in extreme hemorrhages related to pterion fractures?

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

    The pterygoid venous plexus provides a potential route for infections from which facial region to spread intracranially?

    <p>Cheek and nose (A)</p> Signup and view all the answers

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