AST Surgical Technologist Practice Exam

The cartilaginous nasal septum is a structure made up primarily of cartilage that divides the nasal cavity into two nostrils. It plays a crucial role in maintaining the shape and function of the nasal passages. The bone that corresponds to the posterior part of the nasal septum is the vomer bone, which forms a part of the nasal septum and lies directly behind the cartilaginous portion.

Understanding the anatomy, the vomer is located at the posterior and inferior part of the nasal cavity, making it correct to state that the cartilaginous nasal septum is anterior to the vomer. The other bones listed, such as the maxilla, nasal bone, and palatine bone, are situated in different regions of the facial skeleton and do not lie directly behind the cartilaginous nasal septum, which is why they are not the correct answer.