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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.

Eftir höfund Open Study Contributor

Um þennan stokk

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.

Spjöld í þessum stokki

  1. Spjald 1

    Spurning

    CN I — nerve name?

    Svar

    Olfactory nerve.

  2. Spjald 2

    Spurning

    CN II — nerve name?

    Svar

    Optic nerve.

  3. Spjald 3

    Spurning

    CN III — nerve name?

    Svar

    Oculomotor nerve.

  4. Spjald 4

    Spurning

    CN IV — nerve name?

    Svar

    Trochlear nerve.

  5. Spjald 5

    Spurning

    Olfactory nerve — cranial nerve number?

    Svar

    CN I.

  6. Spjald 6

    Spurning

    CN V — nerve name?

    Svar

    Trigeminal nerve.

  7. Spjald 7

    Spurning

    Optic nerve — cranial nerve number?

    Svar

    CN II.

  8. Spjald 8

    Spurning

    CN VI — nerve name?

    Svar

    Abducens nerve.

  9. Spjald 9

    Spurning

    Oculomotor nerve — cranial nerve number?

    Svar

    CN III.

  10. Spjald 10

    Spurning

    CN VII — nerve name?

    Svar

    Facial nerve.

  11. Spjald 11

    Spurning

    Trochlear nerve — cranial nerve number?

    Svar

    CN IV.

  12. Spjald 12

    Spurning

    CN VIII — nerve name?

    Svar

    Vestibulocochlear nerve.

  13. Spjald 13

    Spurning

    Trigeminal nerve — cranial nerve number?

    Svar

    CN V.

  14. Spjald 14

    Spurning

    CN IX — nerve name?

    Svar

    Glossopharyngeal nerve.

  15. Spjald 15

    Spurning

    Abducens nerve — cranial nerve number?

    Svar

    CN VI.

  16. Spjald 16

    Spurning

    CN X — nerve name?

    Svar

    Vagus nerve.

  17. Spjald 17

    Spurning

    Facial nerve — cranial nerve number?

    Svar

    CN VII.

  18. Spjald 18

    Spurning

    CN XI — nerve name?

    Svar

    Accessory nerve, also called the spinal accessory nerve.

  19. Spjald 19

    Spurning

    Vestibulocochlear nerve — cranial nerve number?

    Svar

    CN VIII.

  20. Spjald 20

    Spurning

    CN XII — nerve name?

    Svar

    Hypoglossal nerve.

  21. Spjald 21

    Spurning

    Glossopharyngeal nerve — cranial nerve number?

    Svar

    CN IX.

  22. Spjald 22

    Spurning

    Vagus nerve — cranial nerve number?

    Svar

    CN X.

  23. Spjald 23

    Spurning

    Accessory nerve — cranial nerve number?

    Svar

    CN XI.

  24. Spjald 24

    Spurning

    Hypoglossal nerve — cranial nerve number?

    Svar

    CN XII.

  25. Spjald 25

    Spurning

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

    Svar

    Sensory.

  26. Spjald 26

    Spurning

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

    Svar

    Sensory.

  27. Spjald 27

    Spurning

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

    Svar

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

  28. Spjald 28

    Spurning

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

    Svar

    Mixed.

  29. Spjald 29

    Spurning

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

    Svar

    Motor.

  30. Spjald 30

    Spurning

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

    Svar

    Sensory.

  31. Spjald 31

    Spurning

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

    Svar

    Mixed.

  32. Spjald 32

    Spurning

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

    Svar

    Mixed.

  33. Spjald 33

    Spurning

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

    Svar

    Motor.

  34. Spjald 34

    Spurning

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

    Svar

    Mixed.

  35. Spjald 35

    Spurning

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

    Svar

    Motor.

  36. Spjald 36

    Spurning

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

    Svar

    Motor.

  37. Spjald 37

    Spurning

    CN I (olfactory) — primary sensory function?

    Svar

    Smell, or olfaction.

  38. Spjald 38

    Spurning

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

    Svar

    Visual sensory information.

  39. Spjald 39

    Spurning

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

    Svar

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

  40. Spjald 40

    Spurning

    CN IV (trochlear) — extraocular muscle target?

    Svar

    Superior oblique muscle.

  41. Spjald 41

    Spurning

    CN V1 (ophthalmic division) — main sensory territory?

    Svar

    The upper face, including the forehead and cornea.

  42. Spjald 42

    Spurning

    CN VI (abducens) — extraocular muscle target?

    Svar

    Lateral rectus muscle.

  43. Spjald 43

    Spurning

    CN VII (facial) — main somatic motor function?

    Svar

    Movement of the muscles of facial expression.

  44. Spjald 44

    Spurning

    CN VIII (vestibulocochlear) — cochlear branch function?

    Svar

    Hearing.

  45. Spjald 45

    Spurning

    CN IX (glossopharyngeal) — taste territory?

    Svar

    The posterior one-third of the tongue.

  46. Spjald 46

    Spurning

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

    Svar

    The pharyngeal and soft-palate muscles used in swallowing.

  47. Spjald 47

    Spurning

    CN XI (accessory) — sternocleidomastoid function?

    Svar

    Turning the head to the opposite side.

  48. Spjald 48

    Spurning

    CN XII (hypoglossal) — main muscle targets?

    Svar

    The intrinsic and extrinsic tongue muscles, except palatoglossus.

  49. Spjald 49

    Spurning

    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. Spjald 50

    Spurning

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

    Svar

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

  51. Spjald 51

    Spurning

    CN III (oculomotor) — role in eyelid position?

    Svar

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

  52. Spjald 52

    Spurning

    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. Spjald 53

    Spurning

    CN V2 (maxillary division) — main sensory territory?

    Svar

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

  54. Spjald 54

    Spurning

    CN VI (abducens) — primary eye movement?

    Svar

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

  55. Spjald 55

    Spurning

    CN VII (facial) — taste territory?

    Svar

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

  56. Spjald 56

    Spurning

    CN VIII (vestibulocochlear) — vestibular branch function?

    Svar

    Balance and sensory information about head orientation and motion.

  57. Spjald 57

    Spurning

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

    Svar

    Blood-pressure and blood-chemistry signals, respectively.

  58. Spjald 58

    Spurning

    CN X (vagus) — key laryngeal motor function?

    Svar

    Motor control of the intrinsic laryngeal muscles for phonation.

  59. Spjald 59

    Spurning

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

    Svar

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

  60. Spjald 60

    Spurning

    CN XII (hypoglossal) — role in tongue protrusion?

    Svar

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

  61. Spjald 61

    Spurning

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

    Svar

    Pupillary constriction through the sphincter pupillae.

  62. Spjald 62

    Spurning

    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. Spjald 63

    Spurning

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

    Svar

    It provides secretomotor input to the lacrimal gland.

  64. Spjald 64

    Spurning

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

    Svar

    Stylopharyngeus, which elevates the pharynx during swallowing.

  65. Spjald 65

    Spurning

    CN X (vagus) — main parasympathetic territory?

    Svar

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

  66. Spjald 66

    Spurning

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

    Svar

    Lens accommodation through the ciliary muscle.

  67. Spjald 67

    Spurning

    CN V (trigeminal) — main motor function?

    Svar

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

  68. Spjald 68

    Spurning

    CN VII (facial) — parasympathetic role in salivation?

    Svar

    It provides secretomotor input to the submandibular and sublingual glands.

  69. Spjald 69

    Spurning

    CN IX (glossopharyngeal) — parasympathetic salivary target?

    Svar

    The parotid gland.

  70. Spjald 70

    Spurning

    CN X (vagus) — main visceral sensory territory?

    Svar

    The pharynx, larynx, and thoracic and abdominal organs.

  71. Spjald 71

    Spurning

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

    Svar

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

  72. Spjald 72

    Spurning

    CN XI (accessory) — trapezius function?

    Svar

    Elevating the shoulder, as in a shoulder shrug.

  73. Spjald 73

    Spurning

    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. Spjald 74

    Spurning

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

    Svar

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

  75. Spjald 75

    Spurning

    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. Spjald 76

    Spurning

    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. Spjald 77

    Spurning

    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. Spjald 78

    Spurning

    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. Spjald 79

    Spurning

    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. Spjald 80

    Spurning

    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. Spjald 81

    Spurning

    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. Spjald 82

    Spurning

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

    Svar

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

  83. Spjald 83

    Spurning

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

    Svar

    Compare shoulder elevation while the person shrugs against resistance.

  84. Spjald 84

    Spurning

    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.

84 spjöld

Cranial Nerve Flashcards: Names, Numbers, Functions & Tests

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