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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.

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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.

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  1. Kort 1

    Fråga

    CN I — nerve name?

    Svar

    Olfactory nerve.

  2. Kort 2

    Fråga

    CN II — nerve name?

    Svar

    Optic nerve.

  3. Kort 3

    Fråga

    CN III — nerve name?

    Svar

    Oculomotor nerve.

  4. Kort 4

    Fråga

    CN IV — nerve name?

    Svar

    Trochlear nerve.

  5. Kort 5

    Fråga

    Olfactory nerve — cranial nerve number?

    Svar

    CN I.

  6. Kort 6

    Fråga

    CN V — nerve name?

    Svar

    Trigeminal nerve.

  7. Kort 7

    Fråga

    Optic nerve — cranial nerve number?

    Svar

    CN II.

  8. Kort 8

    Fråga

    CN VI — nerve name?

    Svar

    Abducens nerve.

  9. Kort 9

    Fråga

    Oculomotor nerve — cranial nerve number?

    Svar

    CN III.

  10. Kort 10

    Fråga

    CN VII — nerve name?

    Svar

    Facial nerve.

  11. Kort 11

    Fråga

    Trochlear nerve — cranial nerve number?

    Svar

    CN IV.

  12. Kort 12

    Fråga

    CN VIII — nerve name?

    Svar

    Vestibulocochlear nerve.

  13. Kort 13

    Fråga

    Trigeminal nerve — cranial nerve number?

    Svar

    CN V.

  14. Kort 14

    Fråga

    CN IX — nerve name?

    Svar

    Glossopharyngeal nerve.

  15. Kort 15

    Fråga

    Abducens nerve — cranial nerve number?

    Svar

    CN VI.

  16. Kort 16

    Fråga

    CN X — nerve name?

    Svar

    Vagus nerve.

  17. Kort 17

    Fråga

    Facial nerve — cranial nerve number?

    Svar

    CN VII.

  18. Kort 18

    Fråga

    CN XI — nerve name?

    Svar

    Accessory nerve, also called the spinal accessory nerve.

  19. Kort 19

    Fråga

    Vestibulocochlear nerve — cranial nerve number?

    Svar

    CN VIII.

  20. Kort 20

    Fråga

    CN XII — nerve name?

    Svar

    Hypoglossal nerve.

  21. Kort 21

    Fråga

    Glossopharyngeal nerve — cranial nerve number?

    Svar

    CN IX.

  22. Kort 22

    Fråga

    Vagus nerve — cranial nerve number?

    Svar

    CN X.

  23. Kort 23

    Fråga

    Accessory nerve — cranial nerve number?

    Svar

    CN XI.

  24. Kort 24

    Fråga

    Hypoglossal nerve — cranial nerve number?

    Svar

    CN XII.

  25. Kort 25

    Fråga

    CN I (olfactory) — sensory, motor, or mixed?

    Svar

    Sensory.

  26. Kort 26

    Fråga

    CN VIII (vestibulocochlear) — sensory, motor, or mixed?

    Svar

    Sensory.

  27. Kort 27

    Fråga

    CN III (oculomotor) — sensory, motor, or mixed?

    Svar

    Motor. Its motor classification includes somatic motor and parasympathetic output.

  28. Kort 28

    Fråga

    CN VII (facial) — sensory, motor, or mixed?

    Svar

    Mixed.

  29. Kort 29

    Fråga

    CN XI (accessory) — sensory, motor, or mixed?

    Svar

    Motor.

  30. Kort 30

    Fråga

    CN II (optic) — sensory, motor, or mixed?

    Svar

    Sensory.

  31. Kort 31

    Fråga

    CN V (trigeminal) — sensory, motor, or mixed?

    Svar

    Mixed.

  32. Kort 32

    Fråga

    CN IX (glossopharyngeal) — sensory, motor, or mixed?

    Svar

    Mixed.

  33. Kort 33

    Fråga

    CN IV (trochlear) — sensory, motor, or mixed?

    Svar

    Motor.

  34. Kort 34

    Fråga

    CN X (vagus) — sensory, motor, or mixed?

    Svar

    Mixed.

  35. Kort 35

    Fråga

    CN XII (hypoglossal) — sensory, motor, or mixed?

    Svar

    Motor.

  36. Kort 36

    Fråga

    CN VI (abducens) — sensory, motor, or mixed?

    Svar

    Motor.

  37. Kort 37

    Fråga

    CN I (olfactory) — primary sensory function?

    Svar

    Smell, or olfaction.

  38. Kort 38

    Fråga

    CN II (optic) — what information does it carry from the retina?

    Svar

    Visual sensory information.

  39. Kort 39

    Fråga

    CN III (oculomotor) — which four extraocular muscles does it innervate?

    Svar

    Superior rectus, inferior rectus, medial rectus, and inferior oblique.

  40. Kort 40

    Fråga

    CN IV (trochlear) — extraocular muscle target?

    Svar

    Superior oblique muscle.

  41. Kort 41

    Fråga

    CN V1 (ophthalmic division) — main sensory territory?

    Svar

    The upper face, including the forehead and cornea.

  42. Kort 42

    Fråga

    CN VI (abducens) — extraocular muscle target?

    Svar

    Lateral rectus muscle.

  43. Kort 43

    Fråga

    CN VII (facial) — main somatic motor function?

    Svar

    Movement of the muscles of facial expression.

  44. Kort 44

    Fråga

    CN VIII (vestibulocochlear) — cochlear branch function?

    Svar

    Hearing.

  45. Kort 45

    Fråga

    CN IX (glossopharyngeal) — taste territory?

    Svar

    The posterior one-third of the tongue.

  46. Kort 46

    Fråga

    CN X (vagus) — key motor targets in the mouth and throat?

    Svar

    The pharyngeal and soft-palate muscles used in swallowing.

  47. Kort 47

    Fråga

    CN XI (accessory) — sternocleidomastoid function?

    Svar

    Turning the head to the opposite side.

  48. Kort 48

    Fråga

    CN XII (hypoglossal) — main muscle targets?

    Svar

    The intrinsic and extrinsic tongue muscles, except palatoglossus.

  49. Kort 49

    Fråga

    CN I (olfactory) — where do fibers from the nasal olfactory mucosa first synapse?

    Svar

    In the olfactory bulb, after passing through the cribriform plate.

  50. Kort 50

    Fråga

    CN II (optic) — role in the pupillary light reflex?

    Svar

    It forms the afferent sensory limb that detects the light stimulus.

  51. Kort 51

    Fråga

    CN III (oculomotor) — role in eyelid position?

    Svar

    It supplies levator palpebrae superioris, which elevates the upper eyelid.

  52. Kort 52

    Fråga

    CN IV (trochlear) — key eye-movement contribution?

    Svar

    Through the superior oblique, CN IV intorts the eye; it depresses the eye most strongly in adduction.

  53. Kort 53

    Fråga

    CN V2 (maxillary division) — main sensory territory?

    Svar

    The midface, including the cheek, upper lip, and maxillary teeth.

  54. Kort 54

    Fråga

    CN VI (abducens) — primary eye movement?

    Svar

    Abduction: moving the eye laterally, away from the nose.

  55. Kort 55

    Fråga

    CN VII (facial) — taste territory?

    Svar

    The anterior two-thirds of the tongue, carried through the chorda tympani.

  56. Kort 56

    Fråga

    CN VIII (vestibulocochlear) — vestibular branch function?

    Svar

    Balance and sensory information about head orientation and motion.

  57. Kort 57

    Fråga

    CN IX (glossopharyngeal) — what visceral sensory information comes from the carotid sinus and body?

    Svar

    Blood-pressure and blood-chemistry signals, respectively.

  58. Kort 58

    Fråga

    CN X (vagus) — key laryngeal motor function?

    Svar

    Motor control of the intrinsic laryngeal muscles for phonation.

  59. Kort 59

    Fråga

    CN VII (facial) — role in the corneal reflex?

    Svar

    It carries the efferent motor limb that closes the eyelids through orbicularis oculi.

  60. Kort 60

    Fråga

    CN XII (hypoglossal) — role in tongue protrusion?

    Svar

    It supplies genioglossus, a principal muscle for protruding the tongue.

  61. Kort 61

    Fråga

    CN III (oculomotor) — parasympathetic effect on the pupil?

    Svar

    Pupillary constriction through the sphincter pupillae.

  62. Kort 62

    Fråga

    CN V3 (mandibular division) — main sensory territory?

    Svar

    Most of the lower face and jaw, plus mandibular teeth and general sensation from the anterior two-thirds of the tongue.

  63. Kort 63

    Fråga

    CN VII (facial) — parasympathetic role in tear production?

    Svar

    It provides secretomotor input to the lacrimal gland.

  64. Kort 64

    Fråga

    CN IX (glossopharyngeal) — motor target that assists swallowing?

    Svar

    Stylopharyngeus, which elevates the pharynx during swallowing.

  65. Kort 65

    Fråga

    CN X (vagus) — main parasympathetic territory?

    Svar

    Thoracic and abdominal viscera, extending through much of the gastrointestinal tract.

  66. Kort 66

    Fråga

    CN III (oculomotor) — parasympathetic role in near vision?

    Svar

    Lens accommodation through the ciliary muscle.

  67. Kort 67

    Fråga

    CN V (trigeminal) — main motor function?

    Svar

    Motor control of the muscles of mastication through the mandibular division, V3.

  68. Kort 68

    Fråga

    CN VII (facial) — parasympathetic role in salivation?

    Svar

    It provides secretomotor input to the submandibular and sublingual glands.

  69. Kort 69

    Fråga

    CN IX (glossopharyngeal) — parasympathetic salivary target?

    Svar

    The parotid gland.

  70. Kort 70

    Fråga

    CN X (vagus) — main visceral sensory territory?

    Svar

    The pharynx, larynx, and thoracic and abdominal organs.

  71. Kort 71

    Fråga

    CN V (trigeminal) — role in the corneal reflex?

    Svar

    It carries the afferent sensory limb through the ophthalmic division, V1.

  72. Kort 72

    Fråga

    CN XI (accessory) — trapezius function?

    Svar

    Elevating the shoulder, as in a shoulder shrug.

  73. Kort 73

    Fråga

    CN I (olfactory) — one high-level assessment cue?

    Svar

    Ask the person to identify a familiar, nonirritating odor in each nostril separately, with the other nostril occluded.

  74. Kort 74

    Fråga

    CN II (optic) — one high-level assessment cue?

    Svar

    Check visual acuity in each eye separately with an appropriate distance or near chart.

  75. Kort 75

    Fråga

    CN III (oculomotor) — one high-level assessment cue?

    Svar

    Shine a light into each eye and observe brisk, symmetric direct and consensual pupillary constriction; CN III is the efferent limb.

  76. Kort 76

    Fråga

    CN IV (trochlear) — one high-level assessment cue?

    Svar

    Have the person follow a target through an H pattern, watching the adducted eye as it looks down.

  77. Kort 77

    Fråga

    CN V (trigeminal) — one high-level assessment cue?

    Svar

    With the eyes closed, compare light facial sensation across the V1, V2, and V3 territories on both sides.

  78. Kort 78

    Fråga

    CN VI (abducens) — one high-level assessment cue?

    Svar

    Have the person follow a target into lateral gaze and check that each eye abducts smoothly.

  79. Kort 79

    Fråga

    CN VII (facial) — one high-level assessment cue?

    Svar

    Compare facial-movement symmetry while the person smiles, raises the eyebrows, and closes the eyes tightly.

  80. Kort 80

    Fråga

    CN VIII (vestibulocochlear) — one high-level assessment cue?

    Svar

    Screen hearing in each ear separately with a quiet whisper while the opposite ear is occluded.

  81. Kort 81

    Fråga

    CN IX (glossopharyngeal) — one high-level assessment cue?

    Svar

    In a supervised exam, assess the sensory limb of the gag reflex alongside CN X; bilateral absence can occur in healthy people.

  82. Kort 82

    Fråga

    CN X (vagus) — one high-level assessment cue?

    Svar

    Ask the person to say “ah” and observe whether the soft palate elevates symmetrically.

  83. Kort 83

    Fråga

    CN XI (accessory) — one high-level assessment cue?

    Svar

    Compare shoulder elevation while the person shrugs against resistance.

  84. Kort 84

    Fråga

    CN XII (hypoglossal) — one high-level assessment cue?

    Svar

    Ask the person to protrude the tongue and observe its position and movement.

Calm editorial illustration of a human profile with twelve luminous neural threads in navy, teal, coral, and ivory.

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Cranial Nerve Flashcards: Names, Numbers, Functions & Tests

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