Cranial Nerve Flashcards: Names, Numbers, Functions & Tests
Learn all 12 cranial nerves with 84 focused cards on names, numbers, classification as sensory, motor, or mixed, core functions, and safe high-level exam cues.
Über dieses Lernkartenset
Build reliable recall of all 12 cranial nerves without turning a focused study session into an anatomy encyclopedia. These 84 original English cards practice number-to-name and name-to-number recall, sensory/motor/mixed classification, core functions and pathways, and one safe high-level assessment cue for each nerve.
The sequence starts with identity in both useful directions, moves into classification, then interleaves functions across the nerves before ending with assessment cues. Related prompts are spaced apart so nearby cards do not hand you the next answer.
This deck deliberately leaves out symptom diagnosis, lesion localization, treatment, detailed nuclei and foramina, traditional mnemonic phrases, and self-assessment. It is an educational study aid, not medical advice or a substitute for supervised clinical training.
The questions, answers, organization, metadata, and original generated cover are independently authored from common knowledge and released under CC0 1.0 to the extent applicable rights exist. Scope and facts were checked against NCBI Bookshelf cranial-nerve references and the Merck Manual Professional neurological examination guide.
Karten in diesem Lernkartenset
Karte 1
Frage
CN I — nerve name?
Antwort
Olfactory nerve.
Karte 2
Frage
CN II — nerve name?
Antwort
Optic nerve.
Karte 3
Frage
CN III — nerve name?
Antwort
Oculomotor nerve.
Karte 4
Frage
CN IV — nerve name?
Antwort
Trochlear nerve.
Karte 5
Frage
Olfactory nerve — cranial nerve number?
Antwort
CN I.
Karte 6
Frage
CN V — nerve name?
Antwort
Trigeminal nerve.
Karte 7
Frage
Optic nerve — cranial nerve number?
Antwort
CN II.
Karte 8
Frage
CN VI — nerve name?
Antwort
Abducens nerve.
Karte 9
Frage
Oculomotor nerve — cranial nerve number?
Antwort
CN III.
Karte 10
Frage
CN VII — nerve name?
Antwort
Facial nerve.
Karte 11
Frage
Trochlear nerve — cranial nerve number?
Antwort
CN IV.
Karte 12
Frage
CN VIII — nerve name?
Antwort
Vestibulocochlear nerve.
Karte 13
Frage
Trigeminal nerve — cranial nerve number?
Antwort
CN V.
Karte 14
Frage
CN IX — nerve name?
Antwort
Glossopharyngeal nerve.
Karte 15
Frage
Abducens nerve — cranial nerve number?
Antwort
CN VI.
Karte 16
Frage
CN X — nerve name?
Antwort
Vagus nerve.
Karte 17
Frage
Facial nerve — cranial nerve number?
Antwort
CN VII.
Karte 18
Frage
CN XI — nerve name?
Antwort
Accessory nerve, also called the spinal accessory nerve.
Karte 19
Frage
Vestibulocochlear nerve — cranial nerve number?
Antwort
CN VIII.
Karte 20
Frage
CN XII — nerve name?
Antwort
Hypoglossal nerve.
Karte 21
Frage
Glossopharyngeal nerve — cranial nerve number?
Antwort
CN IX.
Karte 22
Frage
Vagus nerve — cranial nerve number?
Antwort
CN X.
Karte 23
Frage
Accessory nerve — cranial nerve number?
Antwort
CN XI.
Karte 24
Frage
Hypoglossal nerve — cranial nerve number?
Antwort
CN XII.
Karte 25
Frage
CN I (olfactory) — sensory, motor, or mixed?
Antwort
Sensory.
Karte 26
Frage
CN VIII (vestibulocochlear) — sensory, motor, or mixed?
Antwort
Sensory.
Karte 27
Frage
CN III (oculomotor) — sensory, motor, or mixed?
Antwort
Motor. Its motor classification includes somatic motor and parasympathetic output.
Karte 28
Frage
CN VII (facial) — sensory, motor, or mixed?
Antwort
Mixed.
Karte 29
Frage
CN XI (accessory) — sensory, motor, or mixed?
Antwort
Motor.
Karte 30
Frage
CN II (optic) — sensory, motor, or mixed?
Antwort
Sensory.
Karte 31
Frage
CN V (trigeminal) — sensory, motor, or mixed?
Antwort
Mixed.
Karte 32
Frage
CN IX (glossopharyngeal) — sensory, motor, or mixed?
Antwort
Mixed.
Karte 33
Frage
CN IV (trochlear) — sensory, motor, or mixed?
Antwort
Motor.
Karte 34
Frage
CN X (vagus) — sensory, motor, or mixed?
Antwort
Mixed.
Karte 35
Frage
CN XII (hypoglossal) — sensory, motor, or mixed?
Antwort
Motor.
Karte 36
Frage
CN VI (abducens) — sensory, motor, or mixed?
Antwort
Motor.
Karte 37
Frage
CN I (olfactory) — primary sensory function?
Antwort
Smell, or olfaction.
Karte 38
Frage
CN II (optic) — what information does it carry from the retina?
Antwort
Visual sensory information.
Karte 39
Frage
CN III (oculomotor) — which four extraocular muscles does it innervate?
Antwort
Superior rectus, inferior rectus, medial rectus, and inferior oblique.
Karte 40
Frage
CN IV (trochlear) — extraocular muscle target?
Antwort
Superior oblique muscle.
Karte 41
Frage
CN V1 (ophthalmic division) — main sensory territory?
Antwort
The upper face, including the forehead and cornea.
Karte 42
Frage
CN VI (abducens) — extraocular muscle target?
Antwort
Lateral rectus muscle.
Karte 43
Frage
CN VII (facial) — main somatic motor function?
Antwort
Movement of the muscles of facial expression.
Karte 44
Frage
CN VIII (vestibulocochlear) — cochlear branch function?
Antwort
Hearing.
Karte 45
Frage
CN IX (glossopharyngeal) — taste territory?
Antwort
The posterior one-third of the tongue.
Karte 46
Frage
CN X (vagus) — key motor targets in the mouth and throat?
Antwort
The pharyngeal and soft-palate muscles used in swallowing.
Karte 47
Frage
CN XI (accessory) — sternocleidomastoid function?
Antwort
Turning the head to the opposite side.
Karte 48
Frage
CN XII (hypoglossal) — main muscle targets?
Antwort
The intrinsic and extrinsic tongue muscles, except palatoglossus.
Karte 49
Frage
CN I (olfactory) — where do fibers from the nasal olfactory mucosa first synapse?
Antwort
In the olfactory bulb, after passing through the cribriform plate.
Karte 50
Frage
CN II (optic) — role in the pupillary light reflex?
Antwort
It forms the afferent sensory limb that detects the light stimulus.
Karte 51
Frage
CN III (oculomotor) — role in eyelid position?
Antwort
It supplies levator palpebrae superioris, which elevates the upper eyelid.
Karte 52
Frage
CN IV (trochlear) — key eye-movement contribution?
Antwort
Through the superior oblique, CN IV intorts the eye; it depresses the eye most strongly in adduction.
Karte 53
Frage
CN V2 (maxillary division) — main sensory territory?
Antwort
The midface, including the cheek, upper lip, and maxillary teeth.
Karte 54
Frage
CN VI (abducens) — primary eye movement?
Antwort
Abduction: moving the eye laterally, away from the nose.
Karte 55
Frage
CN VII (facial) — taste territory?
Antwort
The anterior two-thirds of the tongue, carried through the chorda tympani.
Karte 56
Frage
CN VIII (vestibulocochlear) — vestibular branch function?
Antwort
Balance and sensory information about head orientation and motion.
Karte 57
Frage
CN IX (glossopharyngeal) — what visceral sensory information comes from the carotid sinus and body?
Antwort
Blood-pressure and blood-chemistry signals, respectively.
Karte 58
Frage
CN X (vagus) — key laryngeal motor function?
Antwort
Motor control of the intrinsic laryngeal muscles for phonation.
Karte 59
Frage
CN VII (facial) — role in the corneal reflex?
Antwort
It carries the efferent motor limb that closes the eyelids through orbicularis oculi.
Karte 60
Frage
CN XII (hypoglossal) — role in tongue protrusion?
Antwort
It supplies genioglossus, a principal muscle for protruding the tongue.
Karte 61
Frage
CN III (oculomotor) — parasympathetic effect on the pupil?
Antwort
Pupillary constriction through the sphincter pupillae.
Karte 62
Frage
CN V3 (mandibular division) — main sensory territory?
Antwort
Most of the lower face and jaw, plus mandibular teeth and general sensation from the anterior two-thirds of the tongue.
Karte 63
Frage
CN VII (facial) — parasympathetic role in tear production?
Antwort
It provides secretomotor input to the lacrimal gland.
Karte 64
Frage
CN IX (glossopharyngeal) — motor target that assists swallowing?
Antwort
Stylopharyngeus, which elevates the pharynx during swallowing.
Karte 65
Frage
CN X (vagus) — main parasympathetic territory?
Antwort
Thoracic and abdominal viscera, extending through much of the gastrointestinal tract.
Karte 66
Frage
CN III (oculomotor) — parasympathetic role in near vision?
Antwort
Lens accommodation through the ciliary muscle.
Karte 67
Frage
CN V (trigeminal) — main motor function?
Antwort
Motor control of the muscles of mastication through the mandibular division, V3.
Karte 68
Frage
CN VII (facial) — parasympathetic role in salivation?
Antwort
It provides secretomotor input to the submandibular and sublingual glands.
Karte 69
Frage
CN IX (glossopharyngeal) — parasympathetic salivary target?
Antwort
The parotid gland.
Karte 70
Frage
CN X (vagus) — main visceral sensory territory?
Antwort
The pharynx, larynx, and thoracic and abdominal organs.
Karte 71
Frage
CN V (trigeminal) — role in the corneal reflex?
Antwort
It carries the afferent sensory limb through the ophthalmic division, V1.
Karte 72
Frage
CN XI (accessory) — trapezius function?
Antwort
Elevating the shoulder, as in a shoulder shrug.
Karte 73
Frage
CN I (olfactory) — one high-level assessment cue?
Antwort
Ask the person to identify a familiar, nonirritating odor in each nostril separately, with the other nostril occluded.
Karte 74
Frage
CN II (optic) — one high-level assessment cue?
Antwort
Check visual acuity in each eye separately with an appropriate distance or near chart.
Karte 75
Frage
CN III (oculomotor) — one high-level assessment cue?
Antwort
Shine a light into each eye and observe brisk, symmetric direct and consensual pupillary constriction; CN III is the efferent limb.
Karte 76
Frage
CN IV (trochlear) — one high-level assessment cue?
Antwort
Have the person follow a target through an H pattern, watching the adducted eye as it looks down.
Karte 77
Frage
CN V (trigeminal) — one high-level assessment cue?
Antwort
With the eyes closed, compare light facial sensation across the V1, V2, and V3 territories on both sides.
Karte 78
Frage
CN VI (abducens) — one high-level assessment cue?
Antwort
Have the person follow a target into lateral gaze and check that each eye abducts smoothly.
Karte 79
Frage
CN VII (facial) — one high-level assessment cue?
Antwort
Compare facial-movement symmetry while the person smiles, raises the eyebrows, and closes the eyes tightly.
Karte 80
Frage
CN VIII (vestibulocochlear) — one high-level assessment cue?
Antwort
Screen hearing in each ear separately with a quiet whisper while the opposite ear is occluded.
Karte 81
Frage
CN IX (glossopharyngeal) — one high-level assessment cue?
Antwort
In a supervised exam, assess the sensory limb of the gag reflex alongside CN X; bilateral absence can occur in healthy people.
Karte 82
Frage
CN X (vagus) — one high-level assessment cue?
Antwort
Ask the person to say “ah” and observe whether the soft palate elevates symmetrically.
Karte 83
Frage
CN XI (accessory) — one high-level assessment cue?
Antwort
Compare shoulder elevation while the person shrugs against resistance.
Karte 84
Frage
CN XII (hypoglossal) — one high-level assessment cue?
Antwort
Ask the person to protrude the tongue and observe its position and movement.
84 Karten
Cranial Nerve Flashcards: Names, Numbers, Functions & Tests
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