The optic (II), vestibulocochlear (VIII), and olfactory (I) nerves are purely sensory, whereas the oculomotor (III), trochlear (IV), abducens (VI), accessory (XI), and hypoglossal (XII) nerves are purely motor.
How many cranial nerves are motor only?
There are four cranial nerves with primarily motor function.
Which one of the following is a motor nerve?
Abducens nerve is a small somatic motor nerve (either of the sixth pair of cranial nerves), which supply the lateral rectus muscle of the eye. Thus, the correct answer is option C.
Which of the following are motor nerves?
Motor cranial nerves
Cranial nerves. List. Motor or sensory.Oculomotor nerve (CN III) Somatic efferent component. Visceral efferent (parasympathetic) component. Trochlear nerve (CN IV)Abducens Nerve (CN VI)Spinal accessory nerve (CN XI)Hypoglossal nerve (CN XII)Clinical notes. Oculomotor nerve palsy. Sources.
Which of the cranial nerves have a motor function?
What is the longest cranial nerve? The longest cranial nerve is the vagus nerve. Your vagus nerve has both sensory and motor functions.
Where are the motor nerves?
A motor nerve is a nerve located in the central nervous system (CNS), usually the spinal cord, that sends motor signals from the CNS to the muscles of the body. This is different from the motor neuron, which includes a cell body and branching of dendrites, while the nerve is made up of a bundle of axons.
Which cranial nerve has both motor and sensory functions quizlet?
Cranial Nerve VII has both sensory and motor functions.
Which cranial nerve carries motor commands to the chewing muscles?
The trigeminal nerve is the cranial nerve that carries motor commands to the chewing muscles.
Which of the following is not a motor cranial nerve?
Answer and Explanation: The correct answer is D. Vestibulocochlear nerve (VIII) . Out of all the options, the cranial nerve with no motor function is the vestibulocochlear
What is 6th cranial nerve?
It’s also known as the abducens nerve. This condition causes problems with eye movement. The sixth cranial nerve sends signals to your lateral rectus muscle. This is a small muscle that attaches to the outer side of your eye. When this muscle contracts, your eye moves away from your nose.