A previously healthy 8-year-old boy was brought to the emergency department by his parents because of fever and progressively worsening sore Physical throat and dysphagia. examination pharyngeal shows erythema with tender left and right cervical lymphadenopathy computed tomography (CT) shows fluid accumulation in the retropharyngeal A diagnosis of retropharyngeal space. abscess is suspected. Which of the following fasciae is most likely involved in this process?