Review Question - QID 210992

A 72-year-old man presents to his primary care physician because he has had difficulty swallowing. Specifically, he occasionally feels like he is choking while eating solids and then later regurgitates the undigested food. In addition, he says that his family has been complaining that he now has really bad breath. Based on clinical suspicion, he is sent for a barium swallow study, which reveals that there is a collection of dye posterior to the esophagus. Between which of the following muscles did the dye most likely enter the collection from the esophagus?