Anatomy An angiographic study of the distal pa of the circle of Willis requires access to the veebral aery. Access to this aery can be obtained the: A Anterior triangle of the neck B Muscular triangle of the neck C Posterior triangle of the neck D Suboccipital triangle 💡 Explanation An angiographic study of the distal pa of the circle of Willis requires access to the veebral aery. Access to this aery can be obtained the: ✓ Correct Answer: D. Suboccipital triangle