Cranial nerves Flashcards
Learning the cranial nerves and their function
What is the 1st cranial nerve, its function, and is it sensory, motor, or both?
Olfactory nerve; sense of smell; sensory.
What is the 2nd cranial nerve, its function, and is it sensory, motor, or both?
Optic nerve; vision; sensory.
What is the 3rd cranial nerve, its function, and is it sensory, motor, or both?
Oculomotor nerve; controls most eye movements, pupil constriction, and eyelid elevation; motor.
What is the 4th cranial nerve, its function, and is it sensory, motor, or both?
Trochlear nerve; controls the superior oblique muscle for eye movement (downward and inward); motor.
What is the 5th cranial nerve, its function, and is it sensory, motor, or both?
Trigeminal nerve; sensation in the face and motor control of chewing; both.
What is the 6th cranial nerve, its function, and is it sensory, motor, or both?
Abducens nerve; controls the lateral rectus muscle for outward gaze; motor.
What is the 7th cranial nerve, its function, and is it sensory, motor, or both?
Facial nerve; controls facial expressions, taste (anterior two-thirds of tongue), and salivary glands; both.
What is the 8th cranial nerve, its function, and is it sensory, motor, or both?
Vestibulocochlear nerve; hearing and balance; sensory.
What is the 9th cranial nerve, its function, and is it sensory, motor, or both?
Glossopharyngeal nerve; taste (posterior one-third of tongue), swallowing, and salivation; both.
What is the 10th cranial nerve, its function, and is it sensory, motor, or both?
Vagus nerve; controls autonomic functions of the heart, lungs, and digestive tract; sensation in the throat and voice box; both.
What is the 11th cranial nerve, its function, and is it sensory, motor, or both?
Accessory nerve; controls muscles used in head movement (sternocleidomastoid and trapezius); motor.
What is the 12th cranial nerve, its function, and is it sensory, motor, or both?
Hypoglossal nerve; controls tongue movement; motor.
What is the mnemonic for cranial nerve names in order?
“Oh, Oh, Oh, To Touch And Feel Very Green Vegetables, AH!”
(Olfactory, Optic, Oculomotor, Trochlear, Trigeminal, Abducens, Facial, Vestibulocochlear, Glossopharyngeal, Vagus, Accessory, Hypoglossal)
Mnemonic for if it’s sensory, motor or both
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