Florida Basic Recruit Training Program High Liability (First Aid) Practice Exam

Which part of the human body consists of the upper leg, lower leg, ankle, and foot?

1. Femur

2. Tibia

3. Fibula

4. Pelvis

The correct answer is: Femur

The correct answer identifies the general region of the lower extremity, which encompasses the upper leg, lower leg, ankle, and foot. This region is known as the leg, and it includes multiple bones and structures. The femur, although it is the longest bone and located in the upper leg, only constitutes part of the overall lower extremity. The femur connects to the pelvis at the hip joint and extends down to the knee joint. Therefore, while it plays a crucial role in the structural integrity of the leg, it does not represent the entirety of the lower leg, ankle, and foot. The tibia and fibula are the bones of the lower leg, with the tibia being the larger, weight-bearing bone, and the fibula being thinner and serving as a support structure. The pelvis forms the base of the spine, connecting to the femur, and is not part of the leg itself. Understanding the relationship between these structures is essential for recognizing the anatomy of the lower extremity. In this case, while the femur is integral to the leg's function, it does not encompass the full range of the leg, ankle, and foot, making it an incomplete answer to the question posed.