Misc

Question 1

Cranial Nerve 1

Answer 1

olfactory- sense of smell

Question 2

Cranial Nerve 2

Answer 2

optic nerve- sensory nerve sends messages to brain about vision

Question 3

Cranial Nerve 3

Answer 3

occipital neve- motor nerve controls movement of eyelid, eyes muscles like pupil

Question 4

Cranial Nerve 4

Answer 4

Trochlear- This motor nerve also supplies to the midbrain and performs the function of handling the eye muscles and turning the eye.

Question 5

Cranial Nerve 5

Answer 5

Trigeminal- This is a type of largest cranial nerve in all and performs many sensory functions related to nose, eyes, tongue and teeth. It basically is further divided in three branches that are ophthalmic, maxillary and mandibular nerve. This is a type of mixed nerve that performs sensory and motor functions in brain.

Question 6

Cranial Nerve 6

Answer 6

Abducent- This is again a type of motor nerve that supplies to the pons and perform function of turning eye laterally.

Question 7

Cranial Nerve 7

Answer 7

Facial- This motor nerve is responsible for different types of facial expressions. This also performs some functions of sensory nerve by supplying information about touch on face and senses of tongue in mouth. It is basically present over brain stem.

Question 8

Cranial Nerve 8

Answer 8

Vestibulocochlear- This motor nerve is
basically functional in providing information related to balance of head and sense of sound or hearing. It carries vestibular as well as cochlear information to the brain and is placed near inner ear.

Question 9

Cranial Nerve 9

Answer 9

Glossopharyngeal- This is a sensory nerve which carries sensory information from pharynx (initial portion of throat) and some portion of tongue and palate. The information sent is about temperature, pressure and other related facts.

It also covers some portion of taste buds and salivary glands. The nerve also carries some motor functions such as helping in swallowing food.

Question 10

Cranial Nerve 10

Answer 10

10. Vagus

This is also a type of mixed nerve that carries both motor and sensory functions. This basically deals with the area of pharynx, larynx, esophagus, trachea, bronchi, some portion of heart and palate. It works by constricting muscles of the above areas. In sensory part, it contributes in the tasting ability of the human being.

Question 11

Cranial Nerve 11

Answer 11

Spinal accessory nerve- As the name intimates this motor nerve supplies information about spinal cord, trapezius and other surrounding muscles. It also provides muscle movement of the shoulders and surrounding neck.

Question 12

Cranial Nerve 12

Answer 12

Hypoglossal nerve- This is a typical motor nerve that deals with the muscles of tongue.