Cranial Nerves

Front

What is the function of Cranial Nerve IX?

Back

Cranial Nerve IX, also known as the Glossopharyngeal Nerve, is a mixed nerve responsible for taste and sensation from the posterior one-third of the tongue, as well as providing motor function to the stylopharyngeus muscle and parasympathetic innervation to the parotid gland.

Front

What is the Vestibulocochlear Nerve?

Back

Cranial Nerve VIII, also known as the Vestibulocochlear Nerve, is responsible for hearing and balance.

Front

What is the primary function of Cranial Nerve I?

Back

Cranial Nerve I, known as the Olfactory Nerve, is responsible for the sense of smell.

Front

What is the Trochlear Nerve?

Back

Cranial Nerve IV, known as the Trochlear Nerve, is a motor nerve that innervates the superior oblique muscle of the eye, which is responsible for downward and lateral movement.

Front

What is the Oculomotor Nerve?

Back

Cranial Nerve III, known as the Oculomotor Nerve, controls most of the eye's movements, including constriction of the pupil and maintaining an open eyelid.

Front

How many cranial nerves are there?

Back

There are 12 pairs of cranial nerves in the human body.

Front

What is the function of Cranial Nerve V?

Back

Cranial Nerve V, known as the Trigeminal Nerve, is responsible for sensation in the face and motor functions such as biting and chewing.

Front

What is the role of Cranial Nerve VII?

Back

Cranial Nerve VII, known as the Facial Nerve, controls the muscles of facial expression and provides taste sensations from the anterior two-thirds of the tongue.

Front

What is the function of Cranial Nerve X?

Back

Cranial Nerve X, known as the Vagus Nerve, is a mixed nerve that innervates structures in the neck, thorax, and abdomen, playing a crucial role in autonomic control of the heart, lungs, and digestive tract.

Front

What is the function of Cranial Nerve XI?

Back

Cranial Nerve XI, known as the Accessory Nerve, is responsible for motor control of the sternocleidomastoid and trapezius muscles, facilitating head movement and shoulder elevation.