Question

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

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 accessory nerve (XI) is mainly related to the movement of the trapezius and sternocleidomastoid muscles.
The hypoglossal nerve (XII) controls the muscles of the tongue.
The trochlear nerve (IV) is involved in eye movement.
The abducens nerve (VI) is also related to eye movement.

Answer:

Vagus nerve (X)