What does the pharynx include?

The pharynx is an important part of the anatomy that serves multiple functions, including as a passageway for both air and food. It is divided into three main regions: the nasopharynx, oropharynx, and laryngopharynx. In this context, the correct choice encompasses both the oropharynx and the nasopharynx, which are essential sections of the pharyngeal structure.

The nasopharynx is situated behind the nasal cavity and is primarily involved in the respiratory system. It connects the nasal passages with the oropharynx and contains the adenoids, which play a role in immune response.

The oropharynx lies posterior to the oral cavity and serves both respiratory and digestive functions, as it is where air and food paths diverge. It includes the tonsils, which also contribute to the immune system.

Understanding that the pharynx includes these critical areas is essential for recognizing its role in the body. This broader perspective on the pharynx allows for a better comprehension of its functions and relevance to a combat medic's responsibilities, such as ensuring a clear airway and understanding the pathways for potential airway obstruction.