Anatomy A serious complication of fractures of the femoral neck is avascular necrosis of the femoral head. This usually results from rupture of which aery? A Acetabular branch of obturator B Deep circumflex iliac C Descending branch of lateral circumflex femoral D Medial circumflex femoral 💡 Explanation A serious complication of fractures of the femoral neck is avascular necrosis of the femoral head. This usually results from rupture of which aery? ✓ Correct Answer: D. Medial circumflex femoral