Cranial Nerves Flashcards
What is the innervation of the Inferior oblique muscle?
inferior ramus of the oculomotor n.
What is the innervation of the Inferior rectus muscle?
inferior ramus of the oculomotor n.
What is the innervation of the Levator palpebrae superioris muscle?
superior ramus of the oculomotor n.
What is the innervation of the Medial rectus muscle?
inferior ramus of the oculomotor n.
What is the innervation of the superior rectus muscle?
superior ramus of the oculomotor n.
What is the innervation of the Lateral rectus muscle?
abducens n.
What is the innervation of the Superior oblique muscle?
trochlear n.
Which nerves come off the Cerebrum?
Olfactory (CN I)
Optic (CN II)
Which nerves come off the Midbrain?
Oculomotor (CN III)
Trochlear (CN IV)
Which nerves come off the Pons?
Trigeminal (CN V)
Abducens (CN VI)
Facial (CN VII)
Vestibulocochlear (CN VIII)
Which nerves come off the Medulla?
Glossopharyngeal (CN IX)
Vagus (CN X)
Hypoglossal (CN XII)
Which nerve comes off the spinal cord?
Accessory (CN XI)
Which functions does Olfactory (CN I) have?
sensory
Which functions does Optic (CN II) have?
sensory
Which functions does Oculomotor (CN III) have?
motor and parasympathetic
Which functions does Trochlear (IV) have?
motor
Which functions does Trigeminal (V) have?
sensory and motor
Which functions does Abducens VI have?
motor
Which functions does facial VII Have?
sensory, motor, parasympathetic
Which functions does vestibulocochlear VIII have?
sensory
Which functions does glossopharyngeal IX have?
sensory, motor, parasympathetic
Which functions does vagus X have?
sensory, motor, parasympathetic
Which functions does accessory XI have?
motor
Which functions does hypoglossal XII have?
motor
Oculomotor nucleus and Edinger Westphal nucleus are of what cranial nerve?
Oculomotor CN III
Trochlear nucleus is of what cranial nerve?
Trochlear CN IV
Trigeminal motor nucleus is of what cranial nerve?
Mandibular of Trigeminal CN V3
Abducens nucleus is of what cranial nerve?
Abducens CN VI
Facial motor nucleus and superior salivatory nucleus are of what cranial nerve?
Facial CN VII
CN I (Olfactory) exits the skull via what opening?
Cribiform foramina
Which cranial nerves exit the skull via the superior orbital fissure?
CN IV (Trochlear), CN V1 (Ophthalmic of Trigeminal), and CN VI (Abducens)
What are the axon functions of the Olfactory?
sensory (smell)
What are the axon functions of the Optic?
sensory (vision)
What are the axon functions of the Oculomotor?
Motor and pre-parasympathetic
What are the axon functions of the Trochlear?
motor
What are the axon functions of the Trigeminal Opthalmic?
sensory
What are the axon functions of the Trigeminal Maxillary?
sensory