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| Q. |
Within the buttock: |
| A. | the pudendal nerve emerges beneath piriformis, turns around the back of the sacrospinous ligament and passes between the sacrotuberous and sacrospinous ligaments |
| B. | the internal pudendal artery can be compressed against the base of the ischial tuberosity |
| C. | the sciatic nerve (L4, 5, S1) emerges from below piriformis muscle more laterally than the inferior gluteal and pudendal nerves and vessels |
| D. | the posterior femoral cutaneous nerve lies medially to the sciatic nerve |
| E. | the cruciate anastomosis provides the main source of blood for the supply of the head of femur |
| Answer» A. the pudendal nerve emerges beneath piriformis, turns around the back of the sacrospinous ligament and passes between the sacrotuberous and sacrospinous ligaments | |
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