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Questions and Answers
What structure appears in the suboccipital triangle through the foramen transversum of C1 vertebra?
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?
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?
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?
Which artery supplies the sub-occipital muscles within the suboccipital triangle?
What serves as a connection point for many veins and plexuses around the sub-occipital triangle?
What serves as a connection point for many veins and plexuses around the sub-occipital triangle?
In a fracture involving the pterion, which artery may be at risk of injury resulting in extradural hematoma?
In a fracture involving the pterion, which artery may be at risk of injury resulting in extradural hematoma?
Which nerve 'hitchhikes' along the auriculotemporal nerve to reach the parotid gland?
Which nerve 'hitchhikes' along the auriculotemporal nerve to reach the parotid gland?
What is the main source of taste innervation for the anterior 2/3 of the tongue?
What is the main source of taste innervation for the anterior 2/3 of the tongue?
What collection of neuron cell bodies constitutes a parasympathetic ganglion in the region?
What collection of neuron cell bodies constitutes a parasympathetic ganglion in the region?
Which vascular structure provides a potential route for infections of the face to spread intracranially?
Which vascular structure provides a potential route for infections of the face to spread intracranially?
What vein drains the eye and is connected to the cavernous sinus?
What vein drains the eye and is connected to the cavernous sinus?
The maxillary artery gives rise to which artery within the infratemporal fossa?
The maxillary artery gives rise to which artery within the infratemporal fossa?
In fractures of the pterion, what dangerous complication can arise due to an extradural hematoma?
In fractures of the pterion, what dangerous complication can arise due to an extradural hematoma?
Which structure can be accessed through drilling burr holes in extreme hemorrhages related to pterion fractures?
Which structure can be accessed through drilling burr holes in extreme hemorrhages related to pterion fractures?
The pterygoid venous plexus provides a potential route for infections from which facial region to spread intracranially?
The pterygoid venous plexus provides a potential route for infections from which facial region to spread intracranially?
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