American Academy of Professional Coders (AAPC) Practice Exam

What type of bones are primarily found in the wrists and ankles?

1. Irregular bones

2. Short bones

3. Flat bones

4. Long bones

The correct answer is: Short bones

The correct choice is short bones, as these are primarily found in the wrists (carpals) and ankles (tarsals). Short bones are characterized by their cube-like shape, which provides stability and support while allowing for a range of motions. Unlike long bones that are longer than they are wide and mainly function in leverage, short bones are more about providing strength and support in joint areas. Flat bones serve more protective roles in the body and are typically found in areas such as the skull, ribs, and sternum. Irregular bones have complex shapes and can be found in locations like the vertebrae. Long bones, as mentioned, are involved in movement and are located in the limbs, such as the femur and humerus. The structure and function of short bones effectively contribute to the overall mechanics of the hands and feet, making them essential for movement and dexterity.