Organization of ABPP (Lab 13) Exam Questions & Answers 2024/2025

Organization of ABPP (Lab 13) Exam Questions & Answers 2024/2025 Describe the organization and boundaries of the abdominal cavity and its relationship to the pelvis including key bony features and surface landmarks - ANSWERSpubic symphysis- sacral promontory = inferior border of abdominal cavity, beginning of the pelvic cavity Distinguish the pelvic diaphragm and its relationship to the perineal cavity - ANSWERS2 Muscles: 1. Coccygeus: -sits on anterior surface of sacrospinous ligament -more posterior 2. Levator Ani: -hangs off of the fascia that covers obturator internus (at tendinous arch) -more anterior *separates the pelvic cavity (superior) from the perineal cavity (inferior) Specify the muscular components of the walls of the true pelvis and relate these to the pelvic diaphragm. - ANSWERSObturator internus: -forms lateral walls -begins on internal surface of obturator membrane -exits through lesser sciatic foramen to insert on greater trochanter of femur Piriformis: -forms posterolateral walls -begins on anterior surface of sacrum -exits pelvis through greater sciatic foramen