CVS Practice Test 2025 – Complete Exam Preparation

Question: 1 / 400

The vertebral arteries arise from which of the following?

Cervical arteries

Aorta

Subclavian arteries

The vertebral arteries arise from the subclavian arteries. This is significant because the vertebral arteries play a crucial role in supplying blood to the brain and the posterior circulation. They ascend through the transverse foramina of the cervical vertebrae before entering the skull.

The subclavian arteries, from which the vertebral arteries originate, are major vessels that branch from the aorta (on the left) and from the brachiocephalic trunk (on the right). This anatomical relationship is important for ensuring that the brain receives an adequate blood supply, especially in the regions that are served by the vertebral arteries, which include parts of the cerebellum and brainstem.

Understanding this origin is essential for those studying cardiovascular anatomy, as any condition affecting the subclavian arteries could potentially impact the flow of blood through the vertebral arteries.

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Common carotid arteries

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