Unit 1 Review 1.1 Flashcards
Cranial nerves that have a nucleus of origin have a _______ function
Motor
Cranial nerves that have nucleus of termination have a ________ function
Sensory
A patent opening is described as:
A hole with an unchanging border (such as foramina of skull)
Total # of Spinal nerves pairs
31 pairs
Dorsal spinal nerve root has ________ function
Sensory
Ventral spinal nerve root has _________ function
Motor
Two divisions of somatic nervous system
Sensory and motor
Two divisions of visceral (autonomic) nervous system
Sympathetic and parasympathetic divisions
Olfactory CN is _______ sensory and fibers in the olfactory mucosa traverse the _______ _______ and synapse on the _________ _______
Special sensory
Cribiform plate
Olfactory bulb
Optic nerve is ______ sensory and fibers from the retina converge on the optic disc and are carried in the optic nerve, chiasma and tract to the _________ ________ bodies
Special sensory
Lateral geniculate bodies
Oculomotor nerve is in what two divisions of the nervous system
motor and parasympathetic
The oculomotor nerve supplies what two visceral muscles
Ciliaris muscle
Sphincter papillae
What division does the trochlear nerve belong in
Somatic: motor
What muscle does the trochlear nerve innervate
Superior oblique
The superior oblique performs what action on the eye
Directs eye inferiorly and laterally
The inferior oblique performs what action on the eye
Directs eye superiorly and laterally
Trigeminal nerve belongs in what divisions of the nervous system
motor and sensory
The trigeminal is known for its great amount of somatic ______ fibers in the face
somatic sensory fibers
“Great Sensory Nerve of the Face”
Name the largest cranial nerve
Trigeminal
What cranial nerve supplies the muscles of mastication
The trigeminal nerve
What divisions of the nervous system does the abducens nerve belong in
motor
Abducens supplies what muscle
Lateral rectus
The facial nerve belongs in what divisions of the nervous system
motor/ sensory
parasympathetic
The facial nerve carries taste information from the ________ 2/3 of the tongue
anterior 2/3 of the tongue
What nerve supplies muscles of facial expression
Facial nerve
“Nerve of Facial Expression”
What cranial nerve supplies the stylohyoid and stapedius muscles
Facial nerve
What nerve innervates the lacrimal and salivary glands
The facial nerve
The vestibulocochlear nerve performs what functions
Special sensory for hearing and equilibrium
The vestibulocochlear supplies the ________ and ________
Vestibule and cochlea
The glossopharyngeal is part of what subdivisions of the nervous system
Motor/sensory
Parasympathetic
Special sensory
The glossopharyngeal carries taste from the _______ 1/3 of the tongue
Posterior 1/3 of the tongue
The glossopharyngeal supplies parasympathetic innervation to the _________ gland
Parotid gland
The vagus nerve is under what divisions of the nervous system
motor/sensory
parasympathetic
The longest nerve is the _______ nerve
The vagus nerve
Motor supply to the pharyngeal constrictor is done by the _______ nerve
Vagus nerve
The vagus nerve supplies parasympathetic innervation to the ______ and ______, and in the GI tract from the _________ to the distal 1/3 of the ________ colon
Vagus parasympathetic supplies:
Bronchi and heart
Esophagus to distal 1/3 of transverse colon
The spinal accessory nerve is under what divisions of the nervous system
Solely motor nerve
T/F The spinal accessory nerve contains spinal and cranial parts
True
The cranial part of the accessory nerve supplies muscles of the ______, _______ and _________
Pharynx
Larynx
Palate
The spinal part of the accessory nerve supplies the ___________ and __________ muscles
Trapezius
Sternocleidomastoid
The hypoglossal nerve is under what divisions of the nervous system
Solely motor
The hypoglossal nerve supplies intrinsic and extrinsic muscles of the _________
intrinsic and extrinsic muscles of the tongue
No sensory is associated with cranial nerves _______ and ________
C.N.s:
11 – Accessory nerve
12 –hypoglossal nerve
