**Question:** Cranial part of accessory nerve supplies which of the following -

A. Stellate ganglion
B. Oculomotor nerve
C. Trigeminal nerve
D. Hypoglossal nerve

**Core Concept:**
The accessory nerve (CN XI) is a mixed nerve that has both motor and sensory functions. It consists of two parts: a cranial part and a spinal part. The cranial part is responsible for the parasympathetic innervation to the salivary glands, stellate ganglion, and part of the pharyngeal wall.

**Why the Correct Answer is Right:**
The correct answer, D - Hypoglossal nerve, is not related to the cranial part of the accessory nerve. The hypoglossal nerve is a spinal nerve that supplies motor innervation to the tongue muscles, not a part of the accessory nerve.

**Why Each Wrong Option is Incorrect:**
A - Stellate ganglion: The stellate ganglion is a group of sympathetic ganglia located on either side of the carotid artery in the neck. It is supplied by the vagus nerve (CN X) and sympathetic trunk, not the cranial part of the accessory nerve.

B - Oculomotor nerve (CN III): The oculomotor nerve is responsible for the motor innervation of the extraocular muscles involved in eye movement. It is not a part of the cranial part of the accessory nerve.

C - Trigeminal nerve (CN V): The trigeminal nerve is a cranial nerve that has sensory, motor, and autonomic functions. It is not a part of the cranial part of the accessory nerve.

**Clinical Pearl:**
The cranial part of the accessory nerve should be distinguished from other cranial nerves and sympathetic structures. Accurately identifying cranial nerve innervation is crucial in clinical practice, as it helps in understanding the functions of various structures and their relationships.

**Correct Answer:** D - Hypoglossal nerve: The hypoglossal nerve is the correct answer as it is a spinal nerve that supplies motor innervation to the tongue muscles, not a part of the cranial part of the accessory nerve. Understanding the correct innervation of cranial nerves and their respective functions is essential for clinical reasoning and decision-making in medical practice.