Question

the glossopharyngeal nerve (cn 9) is responsible for secretion of which gland? parotid submandibular sublingual lacrimal

Explanation:

The glossopharyngeal nerve (CN 9) has parasympathetic fibers that innervate the parotid gland, stimulating its secretion. The submandibular and sublingual glands are mainly innervated by the facial nerve (CN 7), and the lacrimal gland is innervated by the facial nerve (via the greater petrosal nerve and other branches).

Answer:

Parotid