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PNS

Peripheral Nervous System

QuestionAnswer
How many pairs of cranial nerves are there? 12
Except for one, cranial nerves serve only the? Head and neck structures
What are the nerves numbered with? Roman numerals
How can the names of the nerves be remembered? "Oh, Oh, Oh, to touch and feel very good velvet, ah ah!"
How can the you remember if the nerves are sensory, motor, or both? "Some say marry money, but my brothers says bad business marry money"
"Oh" Olfactory nerve (CNI) Sensory nerve, carries afferent impulses for the sense of smell, and olfactory bulbs are located on the inferior surface of the frontal lobes
"Oh" Optic nerve (CNII) Sensory nerve, carries afferent impulses for vision, optic nerves converge to form the optic chiasma and then separates as the optic tracts
"Oh" Oculomotor nerve (CNIII) Motor nerve, inferior oblique muscle, superior rectus muscles, inferior rectus muscle, medial rectus muscle, and causes pupil constriction and controls lens shape for visual focusing
"To" Trochlear nerve (CNIV) motor nerve, motor to the superior oblique muscle (depresses the eye and turns to laterally), trochlear emerge from the dorsal surface of the midbrain
How many pairs of cranial nerves are there? 12
Except for one cranial nerves serve only the? Head and neck structures
What are the nerves numbered with? Roman numerals
How can the names of the nerves be remembered? "Oh, Oh, Oh, to touch and feel very good velvet, ah ah!"
How can the you remember if the nerves are sensory, motor, or both? "Some say marry money, but my brothers says bad business marry money"
"Oh" Olfactory nerve (CNI) Sensory nerve, carries afferent impulses for the sense of smell, and olfactory bulbs are located on the inferior surface of the frontal lobes
"Oh" Optic nerve (CNII) Sensory nerve, carries afferent impulses for vision, optic nerves converge to form the optic chiasma and then separates as the optic tracts
"Oh" Oculomotor nerve (CNIII) Motor nerve, inferior oblique muscle, superior rectus muscles, inferior rectus muscle, medial rectus muscle, and causes pupil constriction and controls lens shape for visual focusing
"To" Trochlear nerve (CNIV) motor nerve, motor to the superior oblique muscle (depresses the eye and turns to laterally), trochlear emerge from the dorsal surface of the midbrain
"Touch" Trigeminal nerve (CNV) Mixed nerve, largest, divided into 3 parts (ophthalmic, maxillary, and mandibular), major general sensory nerves of the face, motor to the muscles of mastication
"And" Abducens nerve (CNVI) motor nerve, motor to the lateral rectus muscle which moves eye laterally, nerves emerge from the inferior pons
"Feel" Facial nerve (CNVII) mixed nerve, primarily motor to face, divided into 5 parts: Temporal, Zygomatic, Buccal, Mandibular, Cervical (Two Zebras Bit My Cow)
"Very" Vestibulocochlear nerve (CNVIII) Sensory nerve, vestibular branch transmits afferent impulses for sense of equilibrium, cochlear branch transmits afferent impulses for sense of hearing
"Good" Glossopharyngeal nerve (CNIX) mixed nerve, motor to superior pharyngeal muscles, sensory to pharynx and posterior tongue
"Velvet" Vagus nerve (CNX) mixed nerve, supplies the thoracic and abdominal vicera, regulates heart rate, breathing, and digestive system activity, 1 exception not head or neck
"Ah" Accessory nerve (CNXI) motor nerve, motor to the larynx, pharynx, and soft palate, motor to the trapezius and the sternocleidomastoid muscles
"aH" Hypoglossal nerve (CNXII) motor nerve, motor to the intrinsic and extrinsic muscles of the tongue
How many pairs of spinal nerves? 31 pairs
Pairs of cervical nerves? 8
Pairs of thoracic nerves? 12
pairs of lumbar nerves? 5
pairs of sacral nerves? 5
pairs of coccygeal nerves? 1
What kind of nerves are spinal nerves? mixed nerves
How are spinal nerves formed? by the union of the dorsal and ventral roots
After emerging from the vertebral column, what happens to the spinal nerve? it divides into a large ventral ramus and a smaller dorsal ramus
Dermatomes area of skin innervated by cutaneous branches of a single spinal nerve
Plexuses nerve networks made up of the ventral primary rami, cervical plexus (C1-C4), brachial plexus (C5-T1), lumbar plexus (L1-L4), sacral plexus (L4-S4)
Created by: mchuan