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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.

Mwandishi Open Study Contributor

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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.

Kadi za fungu hili

  1. Kadi namba 1

    Swali

    CN I — nerve name?

    Jibu

    Olfactory nerve.

  2. Kadi namba 2

    Swali

    CN II — nerve name?

    Jibu

    Optic nerve.

  3. Kadi namba 3

    Swali

    CN III — nerve name?

    Jibu

    Oculomotor nerve.

  4. Kadi namba 4

    Swali

    CN IV — nerve name?

    Jibu

    Trochlear nerve.

  5. Kadi namba 5

    Swali

    Olfactory nerve — cranial nerve number?

    Jibu

    CN I.

  6. Kadi namba 6

    Swali

    CN V — nerve name?

    Jibu

    Trigeminal nerve.

  7. Kadi namba 7

    Swali

    Optic nerve — cranial nerve number?

    Jibu

    CN II.

  8. Kadi namba 8

    Swali

    CN VI — nerve name?

    Jibu

    Abducens nerve.

  9. Kadi namba 9

    Swali

    Oculomotor nerve — cranial nerve number?

    Jibu

    CN III.

  10. Kadi namba 10

    Swali

    CN VII — nerve name?

    Jibu

    Facial nerve.

  11. Kadi namba 11

    Swali

    Trochlear nerve — cranial nerve number?

    Jibu

    CN IV.

  12. Kadi namba 12

    Swali

    CN VIII — nerve name?

    Jibu

    Vestibulocochlear nerve.

  13. Kadi namba 13

    Swali

    Trigeminal nerve — cranial nerve number?

    Jibu

    CN V.

  14. Kadi namba 14

    Swali

    CN IX — nerve name?

    Jibu

    Glossopharyngeal nerve.

  15. Kadi namba 15

    Swali

    Abducens nerve — cranial nerve number?

    Jibu

    CN VI.

  16. Kadi namba 16

    Swali

    CN X — nerve name?

    Jibu

    Vagus nerve.

  17. Kadi namba 17

    Swali

    Facial nerve — cranial nerve number?

    Jibu

    CN VII.

  18. Kadi namba 18

    Swali

    CN XI — nerve name?

    Jibu

    Accessory nerve, also called the spinal accessory nerve.

  19. Kadi namba 19

    Swali

    Vestibulocochlear nerve — cranial nerve number?

    Jibu

    CN VIII.

  20. Kadi namba 20

    Swali

    CN XII — nerve name?

    Jibu

    Hypoglossal nerve.

  21. Kadi namba 21

    Swali

    Glossopharyngeal nerve — cranial nerve number?

    Jibu

    CN IX.

  22. Kadi namba 22

    Swali

    Vagus nerve — cranial nerve number?

    Jibu

    CN X.

  23. Kadi namba 23

    Swali

    Accessory nerve — cranial nerve number?

    Jibu

    CN XI.

  24. Kadi namba 24

    Swali

    Hypoglossal nerve — cranial nerve number?

    Jibu

    CN XII.

  25. Kadi namba 25

    Swali

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

    Jibu

    Sensory.

  26. Kadi namba 26

    Swali

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

    Jibu

    Sensory.

  27. Kadi namba 27

    Swali

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

    Jibu

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

  28. Kadi namba 28

    Swali

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

    Jibu

    Mixed.

  29. Kadi namba 29

    Swali

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

    Jibu

    Motor.

  30. Kadi namba 30

    Swali

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

    Jibu

    Sensory.

  31. Kadi namba 31

    Swali

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

    Jibu

    Mixed.

  32. Kadi namba 32

    Swali

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

    Jibu

    Mixed.

  33. Kadi namba 33

    Swali

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

    Jibu

    Motor.

  34. Kadi namba 34

    Swali

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

    Jibu

    Mixed.

  35. Kadi namba 35

    Swali

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

    Jibu

    Motor.

  36. Kadi namba 36

    Swali

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

    Jibu

    Motor.

  37. Kadi namba 37

    Swali

    CN I (olfactory) — primary sensory function?

    Jibu

    Smell, or olfaction.

  38. Kadi namba 38

    Swali

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

    Jibu

    Visual sensory information.

  39. Kadi namba 39

    Swali

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

    Jibu

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

  40. Kadi namba 40

    Swali

    CN IV (trochlear) — extraocular muscle target?

    Jibu

    Superior oblique muscle.

  41. Kadi namba 41

    Swali

    CN V1 (ophthalmic division) — main sensory territory?

    Jibu

    The upper face, including the forehead and cornea.

  42. Kadi namba 42

    Swali

    CN VI (abducens) — extraocular muscle target?

    Jibu

    Lateral rectus muscle.

  43. Kadi namba 43

    Swali

    CN VII (facial) — main somatic motor function?

    Jibu

    Movement of the muscles of facial expression.

  44. Kadi namba 44

    Swali

    CN VIII (vestibulocochlear) — cochlear branch function?

    Jibu

    Hearing.

  45. Kadi namba 45

    Swali

    CN IX (glossopharyngeal) — taste territory?

    Jibu

    The posterior one-third of the tongue.

  46. Kadi namba 46

    Swali

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

    Jibu

    The pharyngeal and soft-palate muscles used in swallowing.

  47. Kadi namba 47

    Swali

    CN XI (accessory) — sternocleidomastoid function?

    Jibu

    Turning the head to the opposite side.

  48. Kadi namba 48

    Swali

    CN XII (hypoglossal) — main muscle targets?

    Jibu

    The intrinsic and extrinsic tongue muscles, except palatoglossus.

  49. Kadi namba 49

    Swali

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

    Jibu

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

  50. Kadi namba 50

    Swali

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

    Jibu

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

  51. Kadi namba 51

    Swali

    CN III (oculomotor) — role in eyelid position?

    Jibu

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

  52. Kadi namba 52

    Swali

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

    Jibu

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

  53. Kadi namba 53

    Swali

    CN V2 (maxillary division) — main sensory territory?

    Jibu

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

  54. Kadi namba 54

    Swali

    CN VI (abducens) — primary eye movement?

    Jibu

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

  55. Kadi namba 55

    Swali

    CN VII (facial) — taste territory?

    Jibu

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

  56. Kadi namba 56

    Swali

    CN VIII (vestibulocochlear) — vestibular branch function?

    Jibu

    Balance and sensory information about head orientation and motion.

  57. Kadi namba 57

    Swali

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

    Jibu

    Blood-pressure and blood-chemistry signals, respectively.

  58. Kadi namba 58

    Swali

    CN X (vagus) — key laryngeal motor function?

    Jibu

    Motor control of the intrinsic laryngeal muscles for phonation.

  59. Kadi namba 59

    Swali

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

    Jibu

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

  60. Kadi namba 60

    Swali

    CN XII (hypoglossal) — role in tongue protrusion?

    Jibu

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

  61. Kadi namba 61

    Swali

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

    Jibu

    Pupillary constriction through the sphincter pupillae.

  62. Kadi namba 62

    Swali

    CN V3 (mandibular division) — main sensory territory?

    Jibu

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

  63. Kadi namba 63

    Swali

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

    Jibu

    It provides secretomotor input to the lacrimal gland.

  64. Kadi namba 64

    Swali

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

    Jibu

    Stylopharyngeus, which elevates the pharynx during swallowing.

  65. Kadi namba 65

    Swali

    CN X (vagus) — main parasympathetic territory?

    Jibu

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

  66. Kadi namba 66

    Swali

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

    Jibu

    Lens accommodation through the ciliary muscle.

  67. Kadi namba 67

    Swali

    CN V (trigeminal) — main motor function?

    Jibu

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

  68. Kadi namba 68

    Swali

    CN VII (facial) — parasympathetic role in salivation?

    Jibu

    It provides secretomotor input to the submandibular and sublingual glands.

  69. Kadi namba 69

    Swali

    CN IX (glossopharyngeal) — parasympathetic salivary target?

    Jibu

    The parotid gland.

  70. Kadi namba 70

    Swali

    CN X (vagus) — main visceral sensory territory?

    Jibu

    The pharynx, larynx, and thoracic and abdominal organs.

  71. Kadi namba 71

    Swali

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

    Jibu

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

  72. Kadi namba 72

    Swali

    CN XI (accessory) — trapezius function?

    Jibu

    Elevating the shoulder, as in a shoulder shrug.

  73. Kadi namba 73

    Swali

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

    Jibu

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

  74. Kadi namba 74

    Swali

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

    Jibu

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

  75. Kadi namba 75

    Swali

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

    Jibu

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

  76. Kadi namba 76

    Swali

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

    Jibu

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

  77. Kadi namba 77

    Swali

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

    Jibu

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

  78. Kadi namba 78

    Swali

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

    Jibu

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

  79. Kadi namba 79

    Swali

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

    Jibu

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

  80. Kadi namba 80

    Swali

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

    Jibu

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

  81. Kadi namba 81

    Swali

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

    Jibu

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

  82. Kadi namba 82

    Swali

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

    Jibu

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

  83. Kadi namba 83

    Swali

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

    Jibu

    Compare shoulder elevation while the person shrugs against resistance.

  84. Kadi namba 84

    Swali

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

    Jibu

    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.

kadi 84

Cranial Nerve Flashcards: Names, Numbers, Functions & Tests

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