This occurs when bacteria from the submandibular lymph nodes or nasopharynx spread to other parts of the body, leading to abscesses in the retropharyngeal lymph nodes, lungs, and abdomen (belly). (lsuagcenter.com)
It is not necessary for the soft palate to elevate and block off the nasopharynx. (brianpalmerdds.com)
The nasopharynx, or the part of the pharynx connected to the nasal passages, closes off with the motion of the soft palate and tightening of the muscles of the pharynx. (verywellfamily.com)