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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.

Autors Open Study Contributor

Par šo kavu

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.

Kartītes šajā kavā

  1. 1. kartīte

    Jautājums

    CN I — nerve name?

    Atbilde

    Olfactory nerve.

  2. 2. kartīte

    Jautājums

    CN II — nerve name?

    Atbilde

    Optic nerve.

  3. 3. kartīte

    Jautājums

    CN III — nerve name?

    Atbilde

    Oculomotor nerve.

  4. 4. kartīte

    Jautājums

    CN IV — nerve name?

    Atbilde

    Trochlear nerve.

  5. 5. kartīte

    Jautājums

    Olfactory nerve — cranial nerve number?

    Atbilde

    CN I.

  6. 6. kartīte

    Jautājums

    CN V — nerve name?

    Atbilde

    Trigeminal nerve.

  7. 7. kartīte

    Jautājums

    Optic nerve — cranial nerve number?

    Atbilde

    CN II.

  8. 8. kartīte

    Jautājums

    CN VI — nerve name?

    Atbilde

    Abducens nerve.

  9. 9. kartīte

    Jautājums

    Oculomotor nerve — cranial nerve number?

    Atbilde

    CN III.

  10. 10. kartīte

    Jautājums

    CN VII — nerve name?

    Atbilde

    Facial nerve.

  11. 11. kartīte

    Jautājums

    Trochlear nerve — cranial nerve number?

    Atbilde

    CN IV.

  12. 12. kartīte

    Jautājums

    CN VIII — nerve name?

    Atbilde

    Vestibulocochlear nerve.

  13. 13. kartīte

    Jautājums

    Trigeminal nerve — cranial nerve number?

    Atbilde

    CN V.

  14. 14. kartīte

    Jautājums

    CN IX — nerve name?

    Atbilde

    Glossopharyngeal nerve.

  15. 15. kartīte

    Jautājums

    Abducens nerve — cranial nerve number?

    Atbilde

    CN VI.

  16. 16. kartīte

    Jautājums

    CN X — nerve name?

    Atbilde

    Vagus nerve.

  17. 17. kartīte

    Jautājums

    Facial nerve — cranial nerve number?

    Atbilde

    CN VII.

  18. 18. kartīte

    Jautājums

    CN XI — nerve name?

    Atbilde

    Accessory nerve, also called the spinal accessory nerve.

  19. 19. kartīte

    Jautājums

    Vestibulocochlear nerve — cranial nerve number?

    Atbilde

    CN VIII.

  20. 20. kartīte

    Jautājums

    CN XII — nerve name?

    Atbilde

    Hypoglossal nerve.

  21. 21. kartīte

    Jautājums

    Glossopharyngeal nerve — cranial nerve number?

    Atbilde

    CN IX.

  22. 22. kartīte

    Jautājums

    Vagus nerve — cranial nerve number?

    Atbilde

    CN X.

  23. 23. kartīte

    Jautājums

    Accessory nerve — cranial nerve number?

    Atbilde

    CN XI.

  24. 24. kartīte

    Jautājums

    Hypoglossal nerve — cranial nerve number?

    Atbilde

    CN XII.

  25. 25. kartīte

    Jautājums

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

    Atbilde

    Sensory.

  26. 26. kartīte

    Jautājums

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

    Atbilde

    Sensory.

  27. 27. kartīte

    Jautājums

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

    Atbilde

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

  28. 28. kartīte

    Jautājums

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

    Atbilde

    Mixed.

  29. 29. kartīte

    Jautājums

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

    Atbilde

    Motor.

  30. 30. kartīte

    Jautājums

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

    Atbilde

    Sensory.

  31. 31. kartīte

    Jautājums

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

    Atbilde

    Mixed.

  32. 32. kartīte

    Jautājums

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

    Atbilde

    Mixed.

  33. 33. kartīte

    Jautājums

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

    Atbilde

    Motor.

  34. 34. kartīte

    Jautājums

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

    Atbilde

    Mixed.

  35. 35. kartīte

    Jautājums

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

    Atbilde

    Motor.

  36. 36. kartīte

    Jautājums

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

    Atbilde

    Motor.

  37. 37. kartīte

    Jautājums

    CN I (olfactory) — primary sensory function?

    Atbilde

    Smell, or olfaction.

  38. 38. kartīte

    Jautājums

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

    Atbilde

    Visual sensory information.

  39. 39. kartīte

    Jautājums

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

    Atbilde

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

  40. 40. kartīte

    Jautājums

    CN IV (trochlear) — extraocular muscle target?

    Atbilde

    Superior oblique muscle.

  41. 41. kartīte

    Jautājums

    CN V1 (ophthalmic division) — main sensory territory?

    Atbilde

    The upper face, including the forehead and cornea.

  42. 42. kartīte

    Jautājums

    CN VI (abducens) — extraocular muscle target?

    Atbilde

    Lateral rectus muscle.

  43. 43. kartīte

    Jautājums

    CN VII (facial) — main somatic motor function?

    Atbilde

    Movement of the muscles of facial expression.

  44. 44. kartīte

    Jautājums

    CN VIII (vestibulocochlear) — cochlear branch function?

    Atbilde

    Hearing.

  45. 45. kartīte

    Jautājums

    CN IX (glossopharyngeal) — taste territory?

    Atbilde

    The posterior one-third of the tongue.

  46. 46. kartīte

    Jautājums

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

    Atbilde

    The pharyngeal and soft-palate muscles used in swallowing.

  47. 47. kartīte

    Jautājums

    CN XI (accessory) — sternocleidomastoid function?

    Atbilde

    Turning the head to the opposite side.

  48. 48. kartīte

    Jautājums

    CN XII (hypoglossal) — main muscle targets?

    Atbilde

    The intrinsic and extrinsic tongue muscles, except palatoglossus.

  49. 49. kartīte

    Jautājums

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

    Atbilde

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

  50. 50. kartīte

    Jautājums

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

    Atbilde

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

  51. 51. kartīte

    Jautājums

    CN III (oculomotor) — role in eyelid position?

    Atbilde

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

  52. 52. kartīte

    Jautājums

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

    Atbilde

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

  53. 53. kartīte

    Jautājums

    CN V2 (maxillary division) — main sensory territory?

    Atbilde

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

  54. 54. kartīte

    Jautājums

    CN VI (abducens) — primary eye movement?

    Atbilde

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

  55. 55. kartīte

    Jautājums

    CN VII (facial) — taste territory?

    Atbilde

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

  56. 56. kartīte

    Jautājums

    CN VIII (vestibulocochlear) — vestibular branch function?

    Atbilde

    Balance and sensory information about head orientation and motion.

  57. 57. kartīte

    Jautājums

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

    Atbilde

    Blood-pressure and blood-chemistry signals, respectively.

  58. 58. kartīte

    Jautājums

    CN X (vagus) — key laryngeal motor function?

    Atbilde

    Motor control of the intrinsic laryngeal muscles for phonation.

  59. 59. kartīte

    Jautājums

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

    Atbilde

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

  60. 60. kartīte

    Jautājums

    CN XII (hypoglossal) — role in tongue protrusion?

    Atbilde

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

  61. 61. kartīte

    Jautājums

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

    Atbilde

    Pupillary constriction through the sphincter pupillae.

  62. 62. kartīte

    Jautājums

    CN V3 (mandibular division) — main sensory territory?

    Atbilde

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

  63. 63. kartīte

    Jautājums

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

    Atbilde

    It provides secretomotor input to the lacrimal gland.

  64. 64. kartīte

    Jautājums

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

    Atbilde

    Stylopharyngeus, which elevates the pharynx during swallowing.

  65. 65. kartīte

    Jautājums

    CN X (vagus) — main parasympathetic territory?

    Atbilde

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

  66. 66. kartīte

    Jautājums

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

    Atbilde

    Lens accommodation through the ciliary muscle.

  67. 67. kartīte

    Jautājums

    CN V (trigeminal) — main motor function?

    Atbilde

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

  68. 68. kartīte

    Jautājums

    CN VII (facial) — parasympathetic role in salivation?

    Atbilde

    It provides secretomotor input to the submandibular and sublingual glands.

  69. 69. kartīte

    Jautājums

    CN IX (glossopharyngeal) — parasympathetic salivary target?

    Atbilde

    The parotid gland.

  70. 70. kartīte

    Jautājums

    CN X (vagus) — main visceral sensory territory?

    Atbilde

    The pharynx, larynx, and thoracic and abdominal organs.

  71. 71. kartīte

    Jautājums

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

    Atbilde

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

  72. 72. kartīte

    Jautājums

    CN XI (accessory) — trapezius function?

    Atbilde

    Elevating the shoulder, as in a shoulder shrug.

  73. 73. kartīte

    Jautājums

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

    Atbilde

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

  74. 74. kartīte

    Jautājums

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

    Atbilde

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

  75. 75. kartīte

    Jautājums

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

    Atbilde

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

  76. 76. kartīte

    Jautājums

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

    Atbilde

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

  77. 77. kartīte

    Jautājums

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

    Atbilde

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

  78. 78. kartīte

    Jautājums

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

    Atbilde

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

  79. 79. kartīte

    Jautājums

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

    Atbilde

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

  80. 80. kartīte

    Jautājums

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

    Atbilde

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

  81. 81. kartīte

    Jautājums

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

    Atbilde

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

  82. 82. kartīte

    Jautājums

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

    Atbilde

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

  83. 83. kartīte

    Jautājums

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

    Atbilde

    Compare shoulder elevation while the person shrugs against resistance.

  84. 84. kartīte

    Jautājums

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

    Atbilde

    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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