Question

lo 7.1. which cranial nerve is responsible for controlling tongue movements?
facial nerve (cn vii)
accessory nerve (cn xi)
trigeminal nerve (cn v)
hypoglossal nerve (cn xii)
glossopharyngeal nerve (cn ix)

Explanation:

The hypoglossal nerve (CN XII) is mainly responsible for controlling the muscles of the tongue, enabling its movements such as protrusion, retraction, and lateral - movement. The facial nerve (CN VII) is involved in facial expressions, the accessory nerve (CN XI) controls certain neck and shoulder muscles, the trigeminal nerve (CN V) is related to facial sensation and some chewing muscles, and the glossopharyngeal nerve (CN IX) is involved in functions like taste and swallowing in part of the tongue and pharynx.

Answer:

Hypoglossal nerve (CN XII)