Question

which cranial nerve innervates most of the viscera in the thoracic and abdominopelvic cavities?
multiple choice
hypoglossal nerve (xii)
accessory nerve (xi)
trochlear nerve (iv)
abducens nerve (vi)
vagus nerve (x)

Explanation:

The vagus nerve (X) is the main nerve of the parasympathetic nervous system. It has a wide distribution and innervates most of the viscera in the thoracic and abdominopelvic cavities, such as the heart, lungs, stomach, and intestines. The hypoglossal nerve (XII) is mainly related to tongue movement. The accessory nerve (XI) is involved in neck and shoulder muscle movement. The trochlear nerve (IV) and abducens nerve (VI) are related to eye movement.

Answer:

Vagus nerve (X)