Which part of the pharynx is located above the level of the roof of the mouth?

The nasopharynx is the correct part of the pharynx that is situated above the level of the roof of the mouth. It is the uppermost section of the pharynx, connecting the nasal cavity to the throat. The nasopharynx plays a critical role in the respiratory system by allowing airflow from the nose to the throat, and it also contains the adenoids, which are lymphatic tissue that can aid in fighting infections.

In contrast, the other parts of the pharynx are positioned differently. The oropharynx is located behind the mouth and extends from the soft palate to the level of the hyoid bone. The laryngopharynx is situated below the oropharynx, leading into the esophagus and larynx, and is responsible for directing food and air to their proper pathways. Pharyngopharynx is another term often used interchangeably with laryngopharynx to refer to the lower part of the pharynx. Therefore, the uniqueness of the nasopharynx being above the level of the oral cavity makes it the correct choice.