Anatomy & Physiology Musculoskeletal #5

Question

Which is an example of an irregular bone in the human body?

Answers

  1. Femur
    • Rationale:

      The femur is a long, not irregular, bone of the skeletal system.

  2. Coccyx
    • Rationale:

      One example of an irregular bone is the coccyx. A primary function of the coccyx is to stabilize and support an individual who assumes the sitting position.

  3. Humerus
    • Rationale:

      The humerus is a long, not irregular, bone of the skeletal system.

  4. Sternum
    • Rationale:

      The sternum is a flat, not irregular, bone of the skeletal system.

Overview

The skeletal bones can be categorized and classified in several ways.

Explanation

Learning Outcomes

There are three primary types of bones in the skeletal system. These bones include the flat bones, the long bones, and the irregular bones. Irregular bones vary in structure and shape; therefore, they do not fit into any other category of the skeletal system. Irregular bones often protected internal structures. One example of an irregular bone is the coccyx.

Test Taking Tip

Consider the different types of bones when determining the correct choice for this question.

Video Rationale