a core Fasciculus cuneatus Olivospinal Cranial Nerves nerve

a core/ Fasciculus cuneatus Olivospinal Cranial Nerves nerve. 1. Give the name, type, and function of each cranial Type Name Number is Abducens facial VIII Accessory copyright 2015, 2011, 2008 Pearson Education, Inc. Function

Solution

There are 12 pairs of nerves in humans which can be either somatic, sympathetic, parasympathetic or mixed in nature. They have multiple types of functions in the body as tabulated below:

Number

Name

Type

Function

I

Olfactory

Sensory nerve

Controls the senses of smell

II

Optic

Sensory nerve

Control the function of retina and sensation of light by it

III

Occulomotor

Motor

Control the movement and response of eye muscles, eye lids and eye lens

IV

Trochlear

Sensory and motor (mixed)

Control the responses of teeth and jaws along with tongue, facial skin and eyes

V

Trigeminal

Sensory and motor (mixed)

Controls the responses of upper and lower jaw

VI

Abducens

Sensory and motor (mixed)

Controls the responses of taste, taste buds of tongue etc.

VII

Facial

Sensory and motor (mixed)

Expression and sensation of the facial muscles and salivary glands

VIII

Vestibul-cochlear

Sensory

Controls the senses of inner ear, ear drum, maintaining body balance and movement

IX

Glossopharyngeal

Sensory and motor (mixed)

Control the reflexes of pharynx

X

Vagus

Sensory and motor (mixed)

Controls the reflexes of internal organs such as heart

XI

Spinal accessory

Motor

Control the sensory and motor reflexes of the spine and back

XII

Hypoglossal

Motor

Controls the internal urinary sphincter

Number	Name	Type	Function
I	Olfactory	Sensory nerve	Controls the senses of smell
II	Optic	Sensory nerve	Control the function of retina and sensation of light by it
III	Occulomotor	Motor	Control the movement and response of eye muscles, eye lids and eye lens
IV	Trochlear	Sensory and motor (mixed)	Control the responses of teeth and jaws along with tongue, facial skin and eyes
V	Trigeminal	Sensory and motor (mixed)	Controls the responses of upper and lower jaw
VI	Abducens	Sensory and motor (mixed)	Controls the responses of taste, taste buds of tongue etc.
VII	Facial	Sensory and motor (mixed)	Expression and sensation of the facial muscles and salivary glands
VIII	Vestibul-cochlear	Sensory	Controls the senses of inner ear, ear drum, maintaining body balance and movement
IX	Glossopharyngeal	Sensory and motor (mixed)	Control the reflexes of pharynx
X	Vagus	Sensory and motor (mixed)	Controls the reflexes of internal organs such as heart
XI	Spinal accessory	Motor	Control the sensory and motor reflexes of the spine and back
XII	Hypoglossal	Motor	Controls the internal urinary sphincter