American Academy of Professional Coders (AAPC) Practice Exam

What is the musculoskeletal system comprised of?

1. Muscles and fat

2. Muscles, joints, tendons, and ligaments

3. Nerves and tissues

4. Skin and connective tissue

The correct answer is: Muscles, joints, tendons, and ligaments

The musculoskeletal system is comprised of muscles, joints, tendons, and ligaments. This system plays a vital role in providing structure, stability, and movement to the body. Muscles are responsible for movement, as they contract and relax to enable motion at the joints. Joints are the points where two or more bones meet, allowing for flexibility and movement. Tendons connect muscles to bones, transmitting the force generated by the muscles to create movement. Ligaments, on the other hand, connect bones to other bones, providing support and stability to the joints, and preventing excessive movement that could lead to injury. Together, these components ensure that the body can perform a wide range of physical activities, from simple tasks to complex movements. This comprehensive understanding of the musculoskeletal system is essential for professionals in health-related fields, particularly those involved in rehabilitation, sports medicine, and orthopedics.