National Certification Board for Therapeutic Massage & Bodywork (NCBTMB) Practice Exam

What does the vomer bone form?

1. Superior part of the nasal cavity

2. Inferior part of the nasal septum

3. Lateral walls of the nasal cavity

4. Roof of the nasal cavity

The correct answer is: Inferior part of the nasal septum

The vomer bone is a single, thin bone that plays a crucial role in the structure of the nasal cavity. Specifically, it forms a significant part of the nasal septum, which is the partition that divides the nasal cavity into two nostrils. The vomer's position allows it to articulate with the perpendicular plate of the ethmoid bone above and serves as a posterior structure contributing to the septum's formation. In this context, while other structures like the superior part and roof of the nasal cavity or the lateral walls are important for overall nasal architecture, they do not specifically involve the vomer bone. The vomer's specialized role in shaping the nasal septum is essential for both structural integrity and proper airflow through the nasal passages. Therefore, understanding the vomer bone's function highlights its importance in nasal anatomy and respiration.