Cranial Nerves Flashcards
(25 cards)
Order of the cranial nerves
Olfactory
Optic
Oculomotor
Trochlear
Trigeminal
Abducens
Facial
Vestibulocochlear (auditory)
Glossopharyngeal
Vagus
Spinal accessory
Hypoglossal
What is the name of cranial nerve I?
Olfactory nerve
Responsible for the sense of smell.
What is the name of cranial nerve II?
Optic nerve
Responsible for vision.
What is the major function of cranial nerve III?
Eye movements; pupillary constriction and accommodation; muscle of upper eyelid
Oculomotor nerve.
What type of nerve is cranial nerve IV?
Motor
Trochlear nerve, responsible for eye movements (intorsion, downward gaze).
What is the major function of cranial nerve V?
Somatic sensation from face, mouth, cornea; muscles of mastication
Trigeminal nerve.
What is the name of cranial nerve VI?
Abducens nerve
Responsible for eye movements (abduction or lateral movements).
What is the major function of cranial nerve VII?
Controls the muscles of facial expression; taste from anterior tongue; lacrimal and salivary glands
Facial nerve.
What is the name of cranial nerve VIII?
Vestibulocochlear (auditory) nerve
Responsible for hearing and sense of balance.
What is the major function of cranial nerve IX?
Sensation from posterior tongue and pharynx; taste from posterior tongue; carotid baroreceptors and chemoreceptors; salivary gland
Glossopharyngeal nerve.
What is the name of cranial nerve X?
Vagus nerve
Responsible for autonomic functions of gut; cardiac inhibition; sensation from larynx and pharynx; muscles of vocal cords; swallowing.
What type of nerve is cranial nerve XI?
Motor
Spinal accessory nerve, responsible for shoulder and neck muscles.
What is the major function of cranial nerve XII?
Movements of tongue
Hypoglossal nerve.
Cranial nerve III is responsible for _______.
Eye movements; pupillary constriction and accommodation; muscle of upper eyelid
Cranial nerve I is sensory for _______.
Sense of smell
Cranial nerve II is sensory for _______.
Vision
Cranial nerve V is both sensory and motor, and it is responsible for _______.
Somatic sensation from face, mouth, cornea; muscles of mastication
True or False: The facial nerve (cranial nerve VII) is responsible for taste from the anterior tongue.
True
True or False: The vagus nerve (cranial nerve X) has no motor functions.
False
Cranial nerve VIII is responsible for _______.
Hearing; sense of balance
Cranial nerve IV is known as the _______ nerve.
Trochlear
Cranial nerve VI is responsible for _______.
Eye movements (abduction or lateral movements)
List the cranial nerves that are sensory
Olfactory
Optic
Vestibulocochlear
List the cranial nerves that are Motor
Oculomotor
Trochlear
Abducens
Spinal accessory
Hypoglossal
