Contraction of each of the following muscles forces food down toward the esophagus EXCEPT one.Which one is the EXCEPTION?
A) Superior pharyngeal constrictor muscle
B) Middle pharyngeal constrictor muscle
C) Inferior pharyngeal constrictor muscle
D) Stylopharyngeal muscle

Question

Quizplus · Accepted Answer

Note that the action of the superior,middle,and inferior pharyngeal constrictor muscles is to constrict the pharyngeal opening and force food toward the esophagus.Appropriately these three muscles are categorized as pharyngeal constrictors.By contrast,the stylopharyngeal,appropriately categorized as an elevator and dilator,elevates and dilates the pharynx.

Contraction of Each of the Following Muscles Forces Food Down