Which of the following cranial nerves is a motor nerve?

The trigeminal nerve is the largest of your cranial nerves and has both sensory and motor functions.

Which cranial nerve is motor?

Table of cranial nerves

No. Name Sensory, motor, or both
V Trigeminal Both sensory and motor
VI Abducens Mainly motor
VII Facial Both sensory and motor
VIII Vestibulocochlear In older texts: auditory, acoustic. Mostly sensory

Which of the following cranial nerves is a purely motor nerve?

Cranial nerves III, IV, VI, XI, and XII are pure motor nerves.

How many cranial nerves are motor nerves?

There are four cranial nerves with primarily motor function.

Which cranial nerve is sensory and motor?

Trigeminal Nerve (V)

The trigeminal nerve has both sensory and motor functions.

What is the signs of nerve damage?

The signs of nerve damage

  • Numbness or tingling in the hands and feet.
  • Feeling like you’re wearing a tight glove or sock.
  • Muscle weakness, especially in your arms or legs.
  • Regularly dropping objects that you’re holding.
  • Sharp pains in your hands, arms, legs, or feet.
  • A buzzing sensation that feels like a mild electrical shock.
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Which is the largest cranial nerve?

The trigeminal nerve is the largest and most complex of the 12 cranial nerves (CNs). It supplies sensations to the face, mucous membranes, and other structures of the head. It is the motor nerve for the muscles of mastication and contains proprioceptive fibers.

Which cranial nerve is important for hearing and balance?

The vestibular nerve is primarily responsible for maintaining body balance and eye movements, while the cochlear nerve is responsible for hearing.

What nerve controls eye movement?

Cranial nerves III (CNIII) (oculomotor), IV (trochlear), and VI (abducens) control the position of the eyeballs; CNIII influences the position of the eyelids and the size of the pupils.

Why are cranial nerves important?

The cranial nerves serve functions such as smell, sight, eye movement, and feeling in the face. The cranial nerves also control balance, hearing, and swallowing.

What are the 12 cranial nerve?

The 12 Cranial Nerves

  • I. Olfactory nerve.
  • II. Optic nerve.
  • III. Oculomotor nerve.
  • IV. Trochlear nerve.
  • V. Trigeminal nerve.
  • VI. Abducens nerve.
  • VII. Facial nerve.
  • VIII. Vestibulocochlear nerve.

Which cranial nerve is responsible for swallowing?

The cranial nerves associated with the swallowing process are the trigeminal (V), facial (VII), glossopharyngeal (IX), vagus (X), accessory (XI) – usually not considered – and hypoglossal (XII).

What are the 12 cranial nerves and their function?

The cranial nerves are a set of twelve nerves that originate in the brain. Each has a different function for sense or movement. The functions of the cranial nerves are sensory, motor, or both: Sensory cranial nerves help a person to see, smell, and hear.

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Which of the following is a sensory cranial nerve?

The first two cranial nerves, the olfactory nerve (I) and the optic nerve (II), are purely sensory and innervate the nasal mucosa for the sense of smell (olfaction) and the eye for the sense of sight (vision), respectively.

What is the only cranial nerve to extend beyond the head neck region?

Vagus nerve (CN X) is the only cranial nerve that innervates the structures beyond the head and neck region.