This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Abdomen and pelvis, Subject name: Anatomy
[{'content': 'Position of mid-inguinal point is \nSelect and explain. \nA. Mid point of Anterior Superior Iliac Spine (ASIS) and pubic tubercle, B. Mid point of ASIS and public symphasis, C. Mid point of both ASIS, D. Mid point of inguinal ligament', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The midpoint of inguinal ligmaent is halfway between the ASIS and the pubic tubercle, which is the position of femoral nerve. It is used in femoral nerve blocks. Whereas the mid-inguinal point is halfway between ASIS and the pubic symphysis, which is the position of the femoral aery.', 'role': 'assistant'}]