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.
Sobre aquesta baralla
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.
Targetes d'aquesta baralla
Targeta 1
Pregunta
CN I — nerve name?
Resposta
Olfactory nerve.
Targeta 2
Pregunta
CN II — nerve name?
Resposta
Optic nerve.
Targeta 3
Pregunta
CN III — nerve name?
Resposta
Oculomotor nerve.
Targeta 4
Pregunta
CN IV — nerve name?
Resposta
Trochlear nerve.
Targeta 5
Pregunta
Olfactory nerve — cranial nerve number?
Resposta
CN I.
Targeta 6
Pregunta
CN V — nerve name?
Resposta
Trigeminal nerve.
Targeta 7
Pregunta
Optic nerve — cranial nerve number?
Resposta
CN II.
Targeta 8
Pregunta
CN VI — nerve name?
Resposta
Abducens nerve.
Targeta 9
Pregunta
Oculomotor nerve — cranial nerve number?
Resposta
CN III.
Targeta 10
Pregunta
CN VII — nerve name?
Resposta
Facial nerve.
Targeta 11
Pregunta
Trochlear nerve — cranial nerve number?
Resposta
CN IV.
Targeta 12
Pregunta
CN VIII — nerve name?
Resposta
Vestibulocochlear nerve.
Targeta 13
Pregunta
Trigeminal nerve — cranial nerve number?
Resposta
CN V.
Targeta 14
Pregunta
CN IX — nerve name?
Resposta
Glossopharyngeal nerve.
Targeta 15
Pregunta
Abducens nerve — cranial nerve number?
Resposta
CN VI.
Targeta 16
Pregunta
CN X — nerve name?
Resposta
Vagus nerve.
Targeta 17
Pregunta
Facial nerve — cranial nerve number?
Resposta
CN VII.
Targeta 18
Pregunta
CN XI — nerve name?
Resposta
Accessory nerve, also called the spinal accessory nerve.
Targeta 19
Pregunta
Vestibulocochlear nerve — cranial nerve number?
Resposta
CN VIII.
Targeta 20
Pregunta
CN XII — nerve name?
Resposta
Hypoglossal nerve.
Targeta 21
Pregunta
Glossopharyngeal nerve — cranial nerve number?
Resposta
CN IX.
Targeta 22
Pregunta
Vagus nerve — cranial nerve number?
Resposta
CN X.
Targeta 23
Pregunta
Accessory nerve — cranial nerve number?
Resposta
CN XI.
Targeta 24
Pregunta
Hypoglossal nerve — cranial nerve number?
Resposta
CN XII.
Targeta 25
Pregunta
CN I (olfactory) — sensory, motor, or mixed?
Resposta
Sensory.
Targeta 26
Pregunta
CN VIII (vestibulocochlear) — sensory, motor, or mixed?
Resposta
Sensory.
Targeta 27
Pregunta
CN III (oculomotor) — sensory, motor, or mixed?
Resposta
Motor. Its motor classification includes somatic motor and parasympathetic output.
Targeta 28
Pregunta
CN VII (facial) — sensory, motor, or mixed?
Resposta
Mixed.
Targeta 29
Pregunta
CN XI (accessory) — sensory, motor, or mixed?
Resposta
Motor.
Targeta 30
Pregunta
CN II (optic) — sensory, motor, or mixed?
Resposta
Sensory.
Targeta 31
Pregunta
CN V (trigeminal) — sensory, motor, or mixed?
Resposta
Mixed.
Targeta 32
Pregunta
CN IX (glossopharyngeal) — sensory, motor, or mixed?
Resposta
Mixed.
Targeta 33
Pregunta
CN IV (trochlear) — sensory, motor, or mixed?
Resposta
Motor.
Targeta 34
Pregunta
CN X (vagus) — sensory, motor, or mixed?
Resposta
Mixed.
Targeta 35
Pregunta
CN XII (hypoglossal) — sensory, motor, or mixed?
Resposta
Motor.
Targeta 36
Pregunta
CN VI (abducens) — sensory, motor, or mixed?
Resposta
Motor.
Targeta 37
Pregunta
CN I (olfactory) — primary sensory function?
Resposta
Smell, or olfaction.
Targeta 38
Pregunta
CN II (optic) — what information does it carry from the retina?
Resposta
Visual sensory information.
Targeta 39
Pregunta
CN III (oculomotor) — which four extraocular muscles does it innervate?
Resposta
Superior rectus, inferior rectus, medial rectus, and inferior oblique.
Targeta 40
Pregunta
CN IV (trochlear) — extraocular muscle target?
Resposta
Superior oblique muscle.
Targeta 41
Pregunta
CN V1 (ophthalmic division) — main sensory territory?
Resposta
The upper face, including the forehead and cornea.
Targeta 42
Pregunta
CN VI (abducens) — extraocular muscle target?
Resposta
Lateral rectus muscle.
Targeta 43
Pregunta
CN VII (facial) — main somatic motor function?
Resposta
Movement of the muscles of facial expression.
Targeta 44
Pregunta
CN VIII (vestibulocochlear) — cochlear branch function?
Resposta
Hearing.
Targeta 45
Pregunta
CN IX (glossopharyngeal) — taste territory?
Resposta
The posterior one-third of the tongue.
Targeta 46
Pregunta
CN X (vagus) — key motor targets in the mouth and throat?
Resposta
The pharyngeal and soft-palate muscles used in swallowing.
Targeta 47
Pregunta
CN XI (accessory) — sternocleidomastoid function?
Resposta
Turning the head to the opposite side.
Targeta 48
Pregunta
CN XII (hypoglossal) — main muscle targets?
Resposta
The intrinsic and extrinsic tongue muscles, except palatoglossus.
Targeta 49
Pregunta
CN I (olfactory) — where do fibers from the nasal olfactory mucosa first synapse?
Resposta
In the olfactory bulb, after passing through the cribriform plate.
Targeta 50
Pregunta
CN II (optic) — role in the pupillary light reflex?
Resposta
It forms the afferent sensory limb that detects the light stimulus.
Targeta 51
Pregunta
CN III (oculomotor) — role in eyelid position?
Resposta
It supplies levator palpebrae superioris, which elevates the upper eyelid.
Targeta 52
Pregunta
CN IV (trochlear) — key eye-movement contribution?
Resposta
Through the superior oblique, CN IV intorts the eye; it depresses the eye most strongly in adduction.
Targeta 53
Pregunta
CN V2 (maxillary division) — main sensory territory?
Resposta
The midface, including the cheek, upper lip, and maxillary teeth.
Targeta 54
Pregunta
CN VI (abducens) — primary eye movement?
Resposta
Abduction: moving the eye laterally, away from the nose.
Targeta 55
Pregunta
CN VII (facial) — taste territory?
Resposta
The anterior two-thirds of the tongue, carried through the chorda tympani.
Targeta 56
Pregunta
CN VIII (vestibulocochlear) — vestibular branch function?
Resposta
Balance and sensory information about head orientation and motion.
Targeta 57
Pregunta
CN IX (glossopharyngeal) — what visceral sensory information comes from the carotid sinus and body?
Resposta
Blood-pressure and blood-chemistry signals, respectively.
Targeta 58
Pregunta
CN X (vagus) — key laryngeal motor function?
Resposta
Motor control of the intrinsic laryngeal muscles for phonation.
Targeta 59
Pregunta
CN VII (facial) — role in the corneal reflex?
Resposta
It carries the efferent motor limb that closes the eyelids through orbicularis oculi.
Targeta 60
Pregunta
CN XII (hypoglossal) — role in tongue protrusion?
Resposta
It supplies genioglossus, a principal muscle for protruding the tongue.
Targeta 61
Pregunta
CN III (oculomotor) — parasympathetic effect on the pupil?
Resposta
Pupillary constriction through the sphincter pupillae.
Targeta 62
Pregunta
CN V3 (mandibular division) — main sensory territory?
Resposta
Most of the lower face and jaw, plus mandibular teeth and general sensation from the anterior two-thirds of the tongue.
Targeta 63
Pregunta
CN VII (facial) — parasympathetic role in tear production?
Resposta
It provides secretomotor input to the lacrimal gland.
Targeta 64
Pregunta
CN IX (glossopharyngeal) — motor target that assists swallowing?
Resposta
Stylopharyngeus, which elevates the pharynx during swallowing.
Targeta 65
Pregunta
CN X (vagus) — main parasympathetic territory?
Resposta
Thoracic and abdominal viscera, extending through much of the gastrointestinal tract.
Targeta 66
Pregunta
CN III (oculomotor) — parasympathetic role in near vision?
Resposta
Lens accommodation through the ciliary muscle.
Targeta 67
Pregunta
CN V (trigeminal) — main motor function?
Resposta
Motor control of the muscles of mastication through the mandibular division, V3.
Targeta 68
Pregunta
CN VII (facial) — parasympathetic role in salivation?
Resposta
It provides secretomotor input to the submandibular and sublingual glands.
Targeta 69
Pregunta
CN IX (glossopharyngeal) — parasympathetic salivary target?
Resposta
The parotid gland.
Targeta 70
Pregunta
CN X (vagus) — main visceral sensory territory?
Resposta
The pharynx, larynx, and thoracic and abdominal organs.
Targeta 71
Pregunta
CN V (trigeminal) — role in the corneal reflex?
Resposta
It carries the afferent sensory limb through the ophthalmic division, V1.
Targeta 72
Pregunta
CN XI (accessory) — trapezius function?
Resposta
Elevating the shoulder, as in a shoulder shrug.
Targeta 73
Pregunta
CN I (olfactory) — one high-level assessment cue?
Resposta
Ask the person to identify a familiar, nonirritating odor in each nostril separately, with the other nostril occluded.
Targeta 74
Pregunta
CN II (optic) — one high-level assessment cue?
Resposta
Check visual acuity in each eye separately with an appropriate distance or near chart.
Targeta 75
Pregunta
CN III (oculomotor) — one high-level assessment cue?
Resposta
Shine a light into each eye and observe brisk, symmetric direct and consensual pupillary constriction; CN III is the efferent limb.
Targeta 76
Pregunta
CN IV (trochlear) — one high-level assessment cue?
Resposta
Have the person follow a target through an H pattern, watching the adducted eye as it looks down.
Targeta 77
Pregunta
CN V (trigeminal) — one high-level assessment cue?
Resposta
With the eyes closed, compare light facial sensation across the V1, V2, and V3 territories on both sides.
Targeta 78
Pregunta
CN VI (abducens) — one high-level assessment cue?
Resposta
Have the person follow a target into lateral gaze and check that each eye abducts smoothly.
Targeta 79
Pregunta
CN VII (facial) — one high-level assessment cue?
Resposta
Compare facial-movement symmetry while the person smiles, raises the eyebrows, and closes the eyes tightly.
Targeta 80
Pregunta
CN VIII (vestibulocochlear) — one high-level assessment cue?
Resposta
Screen hearing in each ear separately with a quiet whisper while the opposite ear is occluded.
Targeta 81
Pregunta
CN IX (glossopharyngeal) — one high-level assessment cue?
Resposta
In a supervised exam, assess the sensory limb of the gag reflex alongside CN X; bilateral absence can occur in healthy people.
Targeta 82
Pregunta
CN X (vagus) — one high-level assessment cue?
Resposta
Ask the person to say “ah” and observe whether the soft palate elevates symmetrically.
Targeta 83
Pregunta
CN XI (accessory) — one high-level assessment cue?
Resposta
Compare shoulder elevation while the person shrugs against resistance.
Targeta 84
Pregunta
CN XII (hypoglossal) — one high-level assessment cue?
Resposta
Ask the person to protrude the tongue and observe its position and movement.
84 targetes
Cranial Nerve Flashcards: Names, Numbers, Functions & Tests
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