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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.

Par Open Study Contributor

À propos de ce paquet

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.

Cartes de ce paquet

  1. Carte 1

    Question

    CN I — nerve name?

    Réponse

    Olfactory nerve.

  2. Carte 2

    Question

    CN II — nerve name?

    Réponse

    Optic nerve.

  3. Carte 3

    Question

    CN III — nerve name?

    Réponse

    Oculomotor nerve.

  4. Carte 4

    Question

    CN IV — nerve name?

    Réponse

    Trochlear nerve.

  5. Carte 5

    Question

    Olfactory nerve — cranial nerve number?

    Réponse

    CN I.

  6. Carte 6

    Question

    CN V — nerve name?

    Réponse

    Trigeminal nerve.

  7. Carte 7

    Question

    Optic nerve — cranial nerve number?

    Réponse

    CN II.

  8. Carte 8

    Question

    CN VI — nerve name?

    Réponse

    Abducens nerve.

  9. Carte 9

    Question

    Oculomotor nerve — cranial nerve number?

    Réponse

    CN III.

  10. Carte 10

    Question

    CN VII — nerve name?

    Réponse

    Facial nerve.

  11. Carte 11

    Question

    Trochlear nerve — cranial nerve number?

    Réponse

    CN IV.

  12. Carte 12

    Question

    CN VIII — nerve name?

    Réponse

    Vestibulocochlear nerve.

  13. Carte 13

    Question

    Trigeminal nerve — cranial nerve number?

    Réponse

    CN V.

  14. Carte 14

    Question

    CN IX — nerve name?

    Réponse

    Glossopharyngeal nerve.

  15. Carte 15

    Question

    Abducens nerve — cranial nerve number?

    Réponse

    CN VI.

  16. Carte 16

    Question

    CN X — nerve name?

    Réponse

    Vagus nerve.

  17. Carte 17

    Question

    Facial nerve — cranial nerve number?

    Réponse

    CN VII.

  18. Carte 18

    Question

    CN XI — nerve name?

    Réponse

    Accessory nerve, also called the spinal accessory nerve.

  19. Carte 19

    Question

    Vestibulocochlear nerve — cranial nerve number?

    Réponse

    CN VIII.

  20. Carte 20

    Question

    CN XII — nerve name?

    Réponse

    Hypoglossal nerve.

  21. Carte 21

    Question

    Glossopharyngeal nerve — cranial nerve number?

    Réponse

    CN IX.

  22. Carte 22

    Question

    Vagus nerve — cranial nerve number?

    Réponse

    CN X.

  23. Carte 23

    Question

    Accessory nerve — cranial nerve number?

    Réponse

    CN XI.

  24. Carte 24

    Question

    Hypoglossal nerve — cranial nerve number?

    Réponse

    CN XII.

  25. Carte 25

    Question

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

    Réponse

    Sensory.

  26. Carte 26

    Question

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

    Réponse

    Sensory.

  27. Carte 27

    Question

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

    Réponse

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

  28. Carte 28

    Question

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

    Réponse

    Mixed.

  29. Carte 29

    Question

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

    Réponse

    Motor.

  30. Carte 30

    Question

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

    Réponse

    Sensory.

  31. Carte 31

    Question

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

    Réponse

    Mixed.

  32. Carte 32

    Question

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

    Réponse

    Mixed.

  33. Carte 33

    Question

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

    Réponse

    Motor.

  34. Carte 34

    Question

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

    Réponse

    Mixed.

  35. Carte 35

    Question

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

    Réponse

    Motor.

  36. Carte 36

    Question

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

    Réponse

    Motor.

  37. Carte 37

    Question

    CN I (olfactory) — primary sensory function?

    Réponse

    Smell, or olfaction.

  38. Carte 38

    Question

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

    Réponse

    Visual sensory information.

  39. Carte 39

    Question

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

    Réponse

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

  40. Carte 40

    Question

    CN IV (trochlear) — extraocular muscle target?

    Réponse

    Superior oblique muscle.

  41. Carte 41

    Question

    CN V1 (ophthalmic division) — main sensory territory?

    Réponse

    The upper face, including the forehead and cornea.

  42. Carte 42

    Question

    CN VI (abducens) — extraocular muscle target?

    Réponse

    Lateral rectus muscle.

  43. Carte 43

    Question

    CN VII (facial) — main somatic motor function?

    Réponse

    Movement of the muscles of facial expression.

  44. Carte 44

    Question

    CN VIII (vestibulocochlear) — cochlear branch function?

    Réponse

    Hearing.

  45. Carte 45

    Question

    CN IX (glossopharyngeal) — taste territory?

    Réponse

    The posterior one-third of the tongue.

  46. Carte 46

    Question

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

    Réponse

    The pharyngeal and soft-palate muscles used in swallowing.

  47. Carte 47

    Question

    CN XI (accessory) — sternocleidomastoid function?

    Réponse

    Turning the head to the opposite side.

  48. Carte 48

    Question

    CN XII (hypoglossal) — main muscle targets?

    Réponse

    The intrinsic and extrinsic tongue muscles, except palatoglossus.

  49. Carte 49

    Question

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

    Réponse

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

  50. Carte 50

    Question

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

    Réponse

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

  51. Carte 51

    Question

    CN III (oculomotor) — role in eyelid position?

    Réponse

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

  52. Carte 52

    Question

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

    Réponse

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

  53. Carte 53

    Question

    CN V2 (maxillary division) — main sensory territory?

    Réponse

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

  54. Carte 54

    Question

    CN VI (abducens) — primary eye movement?

    Réponse

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

  55. Carte 55

    Question

    CN VII (facial) — taste territory?

    Réponse

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

  56. Carte 56

    Question

    CN VIII (vestibulocochlear) — vestibular branch function?

    Réponse

    Balance and sensory information about head orientation and motion.

  57. Carte 57

    Question

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

    Réponse

    Blood-pressure and blood-chemistry signals, respectively.

  58. Carte 58

    Question

    CN X (vagus) — key laryngeal motor function?

    Réponse

    Motor control of the intrinsic laryngeal muscles for phonation.

  59. Carte 59

    Question

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

    Réponse

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

  60. Carte 60

    Question

    CN XII (hypoglossal) — role in tongue protrusion?

    Réponse

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

  61. Carte 61

    Question

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

    Réponse

    Pupillary constriction through the sphincter pupillae.

  62. Carte 62

    Question

    CN V3 (mandibular division) — main sensory territory?

    Réponse

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

  63. Carte 63

    Question

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

    Réponse

    It provides secretomotor input to the lacrimal gland.

  64. Carte 64

    Question

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

    Réponse

    Stylopharyngeus, which elevates the pharynx during swallowing.

  65. Carte 65

    Question

    CN X (vagus) — main parasympathetic territory?

    Réponse

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

  66. Carte 66

    Question

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

    Réponse

    Lens accommodation through the ciliary muscle.

  67. Carte 67

    Question

    CN V (trigeminal) — main motor function?

    Réponse

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

  68. Carte 68

    Question

    CN VII (facial) — parasympathetic role in salivation?

    Réponse

    It provides secretomotor input to the submandibular and sublingual glands.

  69. Carte 69

    Question

    CN IX (glossopharyngeal) — parasympathetic salivary target?

    Réponse

    The parotid gland.

  70. Carte 70

    Question

    CN X (vagus) — main visceral sensory territory?

    Réponse

    The pharynx, larynx, and thoracic and abdominal organs.

  71. Carte 71

    Question

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

    Réponse

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

  72. Carte 72

    Question

    CN XI (accessory) — trapezius function?

    Réponse

    Elevating the shoulder, as in a shoulder shrug.

  73. Carte 73

    Question

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

    Réponse

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

  74. Carte 74

    Question

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

    Réponse

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

  75. Carte 75

    Question

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

    Réponse

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

  76. Carte 76

    Question

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

    Réponse

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

  77. Carte 77

    Question

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

    Réponse

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

  78. Carte 78

    Question

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

    Réponse

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

  79. Carte 79

    Question

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

    Réponse

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

  80. Carte 80

    Question

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

    Réponse

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

  81. Carte 81

    Question

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

    Réponse

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

  82. Carte 82

    Question

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

    Réponse

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

  83. Carte 83

    Question

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

    Réponse

    Compare shoulder elevation while the person shrugs against resistance.

  84. Carte 84

    Question

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

    Réponse

    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.

84 cartes

Cranial Nerve Flashcards: Names, Numbers, Functions & Tests

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