16 Questions
Which arteries supply blood to intracranial structures?
Internal carotid and vertebral arteries
Where do the vertebral arteries enter the cranium?
Through the foramen magnum alongside the spinal cord
What is the function of the Circle of Willis?
Receiving arterial blood from multiple sources
Which arteries anastomose at the base of the brain?
Anterior cerebral, internal carotid, posterior cerebral, and vertebral arteries
Which vascular territory supplies the medial frontal surface of the cerebral hemisphere?
Anterior cerebral artery (ACA)
Which artery supplies the midbrain?
Posterior cerebral arteries (PCAs)
Which type of stroke might lead to difficulty with speech and swallowing, strabismus, diplopia, enlarged pupil, and ptosis?
Basilar artery (BA)
Which vessel forms the single midline anterior spinal artery located in the ventral median fissure?
Branches of the vertebral arteries
What is the 2nd most common cause of subarachnoid hemorrhage?
Ruptured aneurysm
Which type of hemorrhage involves blood between the dura and arachnoid?
Subdural hematoma
What may a cerebral embolism within the skull lead to?
Infarction, ischemia, necrosis
Which artery supplies the cerebellum?
Basilar artery (BA)
Which vessel supplies the dorsal white columns and the dorsal grey horns of the spinal cord?
Posterior spinal arteries
Which vessels form radicular arteries that supply the spinal nerve roots?
Branches of the vertebral arteries
Which vessel supplies the pons?
Basilar artery (BA)
Which type of stroke might result in paralysis of the contralateral leg?
Anterior cerebral artery (ACA)
Test your knowledge of the blood supply to the central nervous system with this quiz. Learn about the sources of blood for intracranial structures and deepen your understanding of the internal carotid arteries and their role in CNS blood supply.
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