Which of the following structures is innervated by the vagus nerve?

Question

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The soft palate muscles, which include the palatoglossus, palatopharyngeus, and levator veli palatini, are innervated by the vagus nerve (specifically, the pharyngeal branch of the vagus nerve). The parotid salivary gland is innervated by the glossopharyngeal nerve, the floor of the mouth is innervated by the lingual nerve (a branch of the mandibular nerve), and the sternocleidomastoid muscle is innervated by the accessory nerve (cranial nerve XI).

Which of the Following Structures Is Innervated by the Vagus