Brain Arterial Blood Supply Quiz
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Questions and Answers

Which artery supplies the anterior part of the inferior surface of the cerebellum?

  • Anterior inferior cerebellar artery (correct)
  • Posterior cerebral artery
  • Labyrinthine artery
  • Superior cerebellar artery
  • Which artery enters the internal acoustic meatus to supply the membranous labyrinth?

  • Posterior cerebral artery
  • Superior cerebellar artery
  • Anterior inferior cerebellar artery
  • Labyrinthine artery (correct)
  • Which arteries supply the superior surface of the cerebellum?

  • Anterior inferior cerebellar arteries
  • Labyrinthine arteries
  • Posterior cerebral arteries
  • Superior cerebellar arteries (correct)
  • Which artery gives medullary branches to the postero-lateral part of the medulla?

    <p>Basilar artery</p> Signup and view all the answers

    Which branches run transversely and supply the pons?

    <p>Pontine branches</p> Signup and view all the answers

    Study Notes

    Arterial Supply of the Brain

    • The brain is supplied by vertebral arteries and internal carotid arteries.

    Vertebral Artery

    • The vertebral artery is a branch of the first part of the subclavian artery.
    • The course of the vertebral artery is divided into 4 parts.
    • The 4th part of the vertebral artery enters the cranial cavity through the foramen magnum.
    • The two vertebral arteries approach each other and join together in the median plane at the lower border of the pons to form the basilar artery.

    Basilar Artery

    • The basilar artery is formed by the union of the two vertebral arteries at the lower border of the pons.
    • The basilar artery ascends on the front of the pons, lodged in the basilar groove.
    • The basilar artery ends at the upper border of the pons by dividing into two posterior cerebral arteries (PCA).

    Branches of Vertebral Artery

    • Anterior spinal artery
    • Posterior spinal artery
    • Medullary branches, supplying the antero-medial part of the medulla
    • Posterior inferior cerebellar artery, supplying the posterior part of the inferior surface of cerebellum.

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    Description

    Test your knowledge of the arterial blood supply to the brain with this quiz. Identify the key arteries and their course to understand the blood flow to the brain.

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