Craiial Nerves Flashcards
What do SA nerves do
They carry sensory impulses to the CNS from Vision, Audition(hearing), body position and balance, and general sensation from skin, skeletal muscles, bones, and joints.
What do VA nerves do?
They carry sensory impulses to the CNS from Olfaction, gustation and general sensation from deep body organs.
What do SE impulses do?
They carry Motor impulses from the CNS toward Skeletal Muscle Tissue
What do VE motor neurons do?
They carry Motor impulses from the CNS toward Smooth Muscle Tissue, Cardiac Muscle Tissue, and Glandular epithelium.
What are Multipolar neurons transmit
ONLY and ALL Motor neurons
What do Biplar neurons transmit
Senosry to the eye ear and nose
What do pseudounipolar neurons transmit
All othe Sensory (not eye ear & nose)
Name all 12 Cranial Nerves
Olfactory, Optic, Oculomotor, Trochlear, Trigeminal, Abducens, Facial, Vestibulocochlear, Glossopharyngeal, Vagus, Accessory, Hypoglossal
What 3 nerves make up the Trigeminal nerve
Opthalmic, Maxillary, Mandibular
What number is the olfactory nerve
1
What is the Transmitting foramen of the Olfactory nerve?
Cribiform foramina of ethmoid bone
What is the Neuron function type of the Olfactory nerve
VA Neurons
What is the function of the Olfactory nerve?
Sense of smell (olfaction)
What is the Neuron type of the Olfactory nerve
Bipolar neurons
What number is the optic nerve
2
What is the Transmitting foramen of the Optic nerve?
Optic canal of sphenoid bone
What is the Neuron function type of the Olfactory nerve
SA Neurons
What is the function of the Optic nerve
Vision
What is the neuron type of the Optic nerve
Bipolar neurons
Whanumber is the oculomotor nerve
3
What is the transmitting foramen of the Oculomotor nerve
Superior orbital fissure
What is the neuron function type of the oculomotor nerve
SE, VE, and (SA)
What are the 2 Functions of the Oculomotor Nerve
SE Neurons: motor to superior, medial and inferior rectus mm, Inferior oblique m. Levator palpebrae superioris M. *VE Neurons Motor to theciliary M. of eye and the pupillary sphincter M. of the iris
What are the Neuron Types for the Oculomotor nerve
Both SE, and VE are mulitipolar Neurons
What number is the trochlear nerve
4
What is the transmitting foramen of the trochlear nerve
Superior orbital fissure
What is the neuron function type of the Trochlear nerve
SE Neurons
What is the Function of thTrochlear nerve
Moto to superior oblique M. of the eye
What is the neuron type of the Trochlear nerve
Multipolar Neurons
What number is the trigeminal nerve
5
What 3 nerves make up the Trigeminal nerve
Ophthalmic, Maxillary, Mandibular
What is the transmitting foramen of the Opthalmic Nerve
Superior orbital fissure
What is the Neuron function type of the opthalmic nerve
SA neurons
What is the function of the Opthalmic nerve
Sensory from and around the eye (general sensation)
What is the neuron type for the opthalmic nerve
Pseudounipolar
What is the transmitting foramen of the Maxillary nerve
Foramen rotundum of sphenoid bone
What is the neuron function type of the Maxillary nerve
SA Neurons
What is the function of the Maxillary nerve
Sensory from upper lip and surrounding skin, upper teeth and gums, and palate
What is the neuron type for the Maxillary nerve
Pseudounipolar
What is the transmitting foramen for the Mandibular nerve
Foramen ovale of the sphenoid bone
What is the neuron function type for the mandibular nerve
SA, and SE
What is the function of the mandibular nerve
SA: sensory from lower lip and surrounding skin, lower teeth and gums, tongue, and floor of oral cavity. **SEMotor to MM of mastication
What is the Neuron type of the Amandibular nerve
SA: Pseudounipolar, SE: Multipolar
What number is the Abducens nerve
6
What is the transmitting foramen of the Abducens nerve
Superior orbital fissure
What is the Function type of the Abducens nerve
SE Neurons
What is the function of the abducens nerve
Motor to lateral rectus M. of the eye
What is the Neuron type of the Abducens nerve
Multip plolar
What number is the Facial nerve
7
What is the Transmitting foramen of the Facial Nerve
Passes through both the internal acoustic meatus and stylomastoid foramen of temporal bone
What are function types for the facial nerve
ALL 4- VA, VE, SE, (SA)
What is the function of the VA neuron for the facial nerve
VA: taste sensation (gustation) from anterior two-thirds of tongue
What is the function of the VE neuron of the facial nerve
VE: motor to lacrimal, sublingual, and submandibular glands (lacrimation and salivation)
What is the function of the SE neurons of facial nerve
SE: Motor to mm of facial expression and the stapedius muscle
What are the neuron types for the facial nerve
VA: pseudounipolar, VE &SE Multipolar
What number is the vestibulocochlear nerve
8
What is the tranmitting foramen of the vestibulocochlear nerve
Internal acoustic meatus of temporal bone (Does not emerge from skull)
What is the function type for the vestibulocochlear nerve
SA Neurons
What is the function of the vestibulocochlear nerve
Sensory from cochlear part of internal ear (audition) and vestibular part of the internal ear (balance and body position)
What is the neuron type for the vestibulocochlear nerve
Bipolar neurons
What is the transmitting foramen of glossopharyngeal nerve
Jugular foramen
What are the function type for the glossopharyngeal nerve
ALL 4- VA, VE, SE, SA
What is the function of the VA neurons for the glossopharyngeal nerve
VA: taste sensation (gustation) from posterior one-third of tongue, general sensation from back of tongue and pharyngeal region
What is the function of VE neurons for the Glossopharyngeal nerve
VE: motor to parotid gland (salivation)
What is the function of the SA neuron of the Glossopharyngeal nerve
SA: Sensory from a samll cutaneous area behind the ear
What is the function of the SE neurons of theGlossopharyngeal nerve
SE motor to some skeletal MM of the pharynx
What are the neuron types for the Glossopharyngeal nerve
VA-Pseudounipolar *VE-Multipolar *SA-pseudounipolar *SE-Multipolar
What number is the vagus Nerve
10
What is the transmitting foramen of the Vagus Nerve
Jugular foramen
What is the function type of the vagus nerve
All 4 VA, VE, SA, SE
What is the function of the VA neuron of the vagus neruve
VA: sensory from respiratory and digestive systems, and a few taste fibers from tongue
What is the function of the VE neurons of the vagus nerve
VE: motor to heart and smooth muscle and glands of the repiratory and digestive systems
What is the function of the SA neuron of the Vagus nerve
SA: sensory from skin in back of ear and posterior wall of external acoustic meatus
What is the function of the SE neruons of the Vagus nerve
SE: motor to muscles of the larynx and pharynx
What are the neuron types for the vagus nerve
VA-Pseudounipolar *VE-Multipolar *SA-pseudounipolar *SE-Multipolar
What number is the accessory nerve
Jugular foramen
What is the neuron function type for the accessory nerve
SE and (SA)
What is the function of the accessory nerve
Motor to the trapezius and part of the sternocleidomastoid muscles
What is the neuron type for the Accessory nerve
Multipolar neurons
What numbeis the Hypoglossal nerve
12
What is the transmitting foramen of the Hypoglossal nerve
Hypoglossal canal of occipital bone
What is the neuron function type for the hypoglossal nerve
SE and (SA)
Shat is the function of the Hypoglossal nerve
Motor to muscles of the tongue and ingrahyoid muscles
What is the neuron type of the typoglossal nerve
Multipolar Neurons
What nerves transmit through the Superior orbital fissure
3,4,5,6 Only the opthalmic nerve of the Trigeminal passes though
What nerves trasmit through the Jugular foramen
9,10,11
What are the two nerves that trasmit through canals named after them
Opitic nerve throuhg the optic canal of the sphenoid bone and Hypoglossal nerve through the Hypoglossal canal of the occipital bone
What is the only nerve that doesn?t leave the skull
The Vestibulocochlear nerve it goes to the ear
Which nerves carry all functional types
7,9, 10
Which nerves carry SE fibers (supply skeletal Muscles)
All except 1,2, and 8
Which nerves carry SA proprioceptive fibers
All except 1,2, and 8
Which nerves carry SA fibers other than proprioception
2,5, 8, 9, 10
Which nerves carry VE fibers (autonomic fibers to involuntary muscle and glands)
3, 7, 9, 10
Which nerves carry VA fibers (olfaction, gustation, and sensation from deep body systems)
1,7, 9, 10
Which nerves are distributed to the tongue
5 (mandibular) 7, 9 ,10, 12
Which nerves supply the muscles of the eyeball
3,4,6 *LR6SO4REST3
Which nerves carry sensory fibers from the eyeball
2 vistion only and 5 Opthalmic nerve