American Academy of Professional Coders (AAPC) Practice Exam

How are cuboidal bones classified?

1. Long bones

2. Short bones

3. Flat bones

4. Irregular bones

The correct answer is: Short bones

Cuboidal bones are classified as short bones due to their roughly equal dimensions in length, width, and height, giving them a cube-like appearance. This structural characteristic allows for a significant range of motion and flexibility, particularly in areas such as the wrists and ankles, where these types of bones are primarily located. Short bones typically provide support and stability with limited mobility, which is crucial in the complex arrangements of joints and articulations in these areas. Unlike long bones, which extend and support weight, short bones serve primarily to absorb shock and allow for nuanced movements. Understanding the classification of these bones helps in grasping their functional anatomy and importance in the skeletal system.