Which three bones fuse to form the hip bone?

• A. Femur, tibia, and fibula
• B. Ilium, ischium, and pubis
• C. Sacrum, coccyx, and ilium
• D. Scapula, clavicle, and humerus

Answer: (B)

Verified step by step guidance

1. Step 1: Understand the anatomy of the hip bone. The hip bone, also known as the coxal bone, is formed by the fusion of three distinct bones during development: the ilium, ischium, and pubis.
2. Step 2: Learn the location and function of each bone. The ilium is the largest and uppermost part of the hip bone, the ischium forms the lower and back portion, and the pubis is the anterior portion that connects the two sides of the pelvis.
3. Step 3: Recognize that these three bones fuse together during adolescence to form a single structure, which contributes to the pelvic girdle and supports the weight of the upper body while enabling movement.
4. Step 4: Eliminate incorrect options by identifying bones that are not part of the hip bone. For example, the femur, tibia, and fibula are bones of the leg, not the pelvis. Similarly, the sacrum and coccyx are part of the vertebral column, and the scapula, clavicle, and humerus are part of the shoulder girdle.
5. Step 5: Confirm that the correct answer is the ilium, ischium, and pubis, as these are the three bones that fuse to form the hip bone.