Milady Esthetics State Board Practice Test

What is the function of the hyoid bone?

1. Support the neck muscles

2. Anchor the tongue and its muscles

3. Protect the brain

4. Support the spine

The correct answer is: Anchor the tongue and its muscles

The hyoid bone plays a crucial role in the anatomy of the human body, primarily serving as an anchor for the tongue and its associated muscles. This unique U-shaped bone is located in the neck, situated between the chin and the thyroid cartilage. Unlike other bones in the body, the hyoid bone does not articulate directly with any other bone, allowing for a wide range of motion that is essential for various functions. The anchoring of the tongue is vital for speech and swallowing, as the muscles that control these actions are attached to the hyoid bone. When the tongue moves, it pulls on the hyoid bone, which can pivot slightly to facilitate changes in position during these activities. This functionality underscores the significance of the hyoid bone in the mechanics of the oral cavity. While support of neck muscles, protection of the brain, and support of the spine are important functions in the body, they are not the primary roles of the hyoid bone. Its specific function in anchoring the tongue highlights its importance in both communication and the digestive process. Understanding this aspect of the hyoid bone can help in comprehending how different skeletal structures contribute to bodily functions.