The route of major parasympathetic outflow from the head is via the .

Answer

Vagus (x ) Nerves

Explanation:

This is the longest of all cranial nerves extending from the brain to the abdomen. It originated from the brain stem. specifically in the medulla,and exit from the skull through the jugular foramen;together with the glossopharygeal and accessory nerves.

It emerges as the right and left vagus nerves at the base of the neck to give many branches. It extends to the thorax and the abdomen to give many other branches.

The correct answer is "vagus nerve".

Explanation:

The missing options of this question are:

A) sympathetic trunk

B) phrenic nerve

C) vagus nerve

D) sacral nerve

The correct answer is option C) "vagus nerve".

The vagus nerve, also known as pneumogastric nerve, is the tenth cranial nerve and is comprised only of parasympathetic fibres. This nerve covers from the brain through the face and thorax to the abdomen. Since the vagus nerve covers a major part of the body and it is comprised of parasympathetic fibres, it is the route of major parasympathetic outflow from the head.

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