Cranial Nerves

What is Cranial Nerve 5 and its primary function?

• Optic nerve, responsible for vision

• Trigeminal nerve, responsible for sensation in the face and biting/chewing

• Facial nerve, responsible for facial expressions

• Vagus nerve, responsible for heart rate and digestion

# of cranial nerves of spinal nerves

• 10 pairs of cranial nerves, 30 pairs of spinal nerves

• 12 pairs of cranial nerves, 31 pairs of spinal nerves

• 14 pairs of cranial nerves, 28 pairs of spinal nerves

• 12 pairs of cranial nerves, 30 pairs of spinal nerves

What is Cranial Nerve 10 and its primary function?

• Vagus nerve, responsible for autonomic control of the heart, lungs, and digestive tract.

• Optic nerve, responsible for vision.

• Trigeminal nerve, responsible for sensation in the face and motor functions such as biting and chewing.

• Facial nerve, responsible for controlling the muscles of facial expression.

What is Cranial Nerve 12 and its primary function?

• Hypoglossal nerve, and its primary function is motor, controlling tongue movements.

• Optic nerve, primarily responsible for vision.

• Vagus nerve, which controls heart rate and digestion.

• Trigeminal nerve, responsible for sensation in the face and motor functions such as biting and chewing.

What is Cranial Nerve 2 and its primary function?

• Optic nerve, and its primary function is sensory, specifically vision.

• Olfactory nerve, responsible for smell.

• Vagus nerve, which controls heart rate and digestion.

• Facial nerve, responsible for facial expressions.

What is Cranial Nerve 8 and its primary function?

• Optic nerve, responsible for vision.

• Vestibulocochlear nerve, responsible for hearing and balance.

• Trigeminal nerve, responsible for facial sensation.

• Vagus nerve, responsible for heart rate and digestion.

What is Cranial Nerve 7 and its primary function?

• Optic nerve, responsible for vision

• Facial nerve, and it has both sensory and motor functions, responsible for facial expression, taste, salivation

• Vagus nerve, responsible for heart rate and digestion

• Trigeminal nerve, responsible for sensation in the face and motor functions such as biting and chewing

What is Cranial Nerve 9 and its primary function?

• Optic nerve, responsible for vision.

• Glossopharyngeal nerve, and it has both sensory and motor functions, involved in taste and swallowing.

• Vagus nerve, primarily responsible for heart rate and digestion.

• Facial nerve, responsible for facial expressions and taste sensations.

What is Cranial Nerve 4 and its primary function?

• Trochlear nerve, and its primary function is motor, specifically controlling the superior oblique muscle of the eye.

• Optic nerve, primarily responsible for vision.

• Trigeminal nerve, which is responsible for sensation in the face and motor functions such as biting and chewing.

• Facial nerve, which controls the muscles of facial expression.

What is Cranial Nerve 1 and its primary function?

• Olfactory nerve, and its primary function is sensory, specifically the sense of smell.

• Optic nerve, primarily responsible for vision.

• Vagus nerve, which controls heart rate and digestion.

• Trigeminal nerve, responsible for facial sensation.