Kaplan Nursing Entrance Practice Exam

What type of anatomical structure is a knee?

1. Muscle

2. Tissue

3. Joint

4. Cartilage

The correct answer is: Joint

The knee is classified as a joint, which is a point of connection between two or more bones. Joints play a critical role in facilitating movement and providing structure to the skeletal system. In the case of the knee, it is specifically a hinge joint that allows for flexion and extension, enabling activities such as walking, running, and jumping. In addition to connecting the femur (thigh bone) to the tibia (shin bone), the knee joint also includes other components such as ligaments, tendons, and cartilage, which all contribute to its stability and function. The cartilage, notably the meniscus, provides cushioning and support within the joint space. While muscles and tissues are important for overall movement and function, they do not define the knee itself as a structural entity. This distinction highlights the unique role of the knee as a joint, making it integral to biomechanics and mobility.