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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.

Autor Open Study Contributor

O tej talii

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.

Karty w tej talii

  1. Karta 1

    Pytanie

    CN I — nerve name?

    Odpowiedź

    Olfactory nerve.

  2. Karta 2

    Pytanie

    CN II — nerve name?

    Odpowiedź

    Optic nerve.

  3. Karta 3

    Pytanie

    CN III — nerve name?

    Odpowiedź

    Oculomotor nerve.

  4. Karta 4

    Pytanie

    CN IV — nerve name?

    Odpowiedź

    Trochlear nerve.

  5. Karta 5

    Pytanie

    Olfactory nerve — cranial nerve number?

    Odpowiedź

    CN I.

  6. Karta 6

    Pytanie

    CN V — nerve name?

    Odpowiedź

    Trigeminal nerve.

  7. Karta 7

    Pytanie

    Optic nerve — cranial nerve number?

    Odpowiedź

    CN II.

  8. Karta 8

    Pytanie

    CN VI — nerve name?

    Odpowiedź

    Abducens nerve.

  9. Karta 9

    Pytanie

    Oculomotor nerve — cranial nerve number?

    Odpowiedź

    CN III.

  10. Karta 10

    Pytanie

    CN VII — nerve name?

    Odpowiedź

    Facial nerve.

  11. Karta 11

    Pytanie

    Trochlear nerve — cranial nerve number?

    Odpowiedź

    CN IV.

  12. Karta 12

    Pytanie

    CN VIII — nerve name?

    Odpowiedź

    Vestibulocochlear nerve.

  13. Karta 13

    Pytanie

    Trigeminal nerve — cranial nerve number?

    Odpowiedź

    CN V.

  14. Karta 14

    Pytanie

    CN IX — nerve name?

    Odpowiedź

    Glossopharyngeal nerve.

  15. Karta 15

    Pytanie

    Abducens nerve — cranial nerve number?

    Odpowiedź

    CN VI.

  16. Karta 16

    Pytanie

    CN X — nerve name?

    Odpowiedź

    Vagus nerve.

  17. Karta 17

    Pytanie

    Facial nerve — cranial nerve number?

    Odpowiedź

    CN VII.

  18. Karta 18

    Pytanie

    CN XI — nerve name?

    Odpowiedź

    Accessory nerve, also called the spinal accessory nerve.

  19. Karta 19

    Pytanie

    Vestibulocochlear nerve — cranial nerve number?

    Odpowiedź

    CN VIII.

  20. Karta 20

    Pytanie

    CN XII — nerve name?

    Odpowiedź

    Hypoglossal nerve.

  21. Karta 21

    Pytanie

    Glossopharyngeal nerve — cranial nerve number?

    Odpowiedź

    CN IX.

  22. Karta 22

    Pytanie

    Vagus nerve — cranial nerve number?

    Odpowiedź

    CN X.

  23. Karta 23

    Pytanie

    Accessory nerve — cranial nerve number?

    Odpowiedź

    CN XI.

  24. Karta 24

    Pytanie

    Hypoglossal nerve — cranial nerve number?

    Odpowiedź

    CN XII.

  25. Karta 25

    Pytanie

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

    Odpowiedź

    Sensory.

  26. Karta 26

    Pytanie

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

    Odpowiedź

    Sensory.

  27. Karta 27

    Pytanie

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

    Odpowiedź

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

  28. Karta 28

    Pytanie

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

    Odpowiedź

    Mixed.

  29. Karta 29

    Pytanie

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

    Odpowiedź

    Motor.

  30. Karta 30

    Pytanie

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

    Odpowiedź

    Sensory.

  31. Karta 31

    Pytanie

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

    Odpowiedź

    Mixed.

  32. Karta 32

    Pytanie

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

    Odpowiedź

    Mixed.

  33. Karta 33

    Pytanie

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

    Odpowiedź

    Motor.

  34. Karta 34

    Pytanie

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

    Odpowiedź

    Mixed.

  35. Karta 35

    Pytanie

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

    Odpowiedź

    Motor.

  36. Karta 36

    Pytanie

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

    Odpowiedź

    Motor.

  37. Karta 37

    Pytanie

    CN I (olfactory) — primary sensory function?

    Odpowiedź

    Smell, or olfaction.

  38. Karta 38

    Pytanie

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

    Odpowiedź

    Visual sensory information.

  39. Karta 39

    Pytanie

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

    Odpowiedź

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

  40. Karta 40

    Pytanie

    CN IV (trochlear) — extraocular muscle target?

    Odpowiedź

    Superior oblique muscle.

  41. Karta 41

    Pytanie

    CN V1 (ophthalmic division) — main sensory territory?

    Odpowiedź

    The upper face, including the forehead and cornea.

  42. Karta 42

    Pytanie

    CN VI (abducens) — extraocular muscle target?

    Odpowiedź

    Lateral rectus muscle.

  43. Karta 43

    Pytanie

    CN VII (facial) — main somatic motor function?

    Odpowiedź

    Movement of the muscles of facial expression.

  44. Karta 44

    Pytanie

    CN VIII (vestibulocochlear) — cochlear branch function?

    Odpowiedź

    Hearing.

  45. Karta 45

    Pytanie

    CN IX (glossopharyngeal) — taste territory?

    Odpowiedź

    The posterior one-third of the tongue.

  46. Karta 46

    Pytanie

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

    Odpowiedź

    The pharyngeal and soft-palate muscles used in swallowing.

  47. Karta 47

    Pytanie

    CN XI (accessory) — sternocleidomastoid function?

    Odpowiedź

    Turning the head to the opposite side.

  48. Karta 48

    Pytanie

    CN XII (hypoglossal) — main muscle targets?

    Odpowiedź

    The intrinsic and extrinsic tongue muscles, except palatoglossus.

  49. Karta 49

    Pytanie

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

    Odpowiedź

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

  50. Karta 50

    Pytanie

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

    Odpowiedź

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

  51. Karta 51

    Pytanie

    CN III (oculomotor) — role in eyelid position?

    Odpowiedź

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

  52. Karta 52

    Pytanie

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

    Odpowiedź

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

  53. Karta 53

    Pytanie

    CN V2 (maxillary division) — main sensory territory?

    Odpowiedź

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

  54. Karta 54

    Pytanie

    CN VI (abducens) — primary eye movement?

    Odpowiedź

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

  55. Karta 55

    Pytanie

    CN VII (facial) — taste territory?

    Odpowiedź

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

  56. Karta 56

    Pytanie

    CN VIII (vestibulocochlear) — vestibular branch function?

    Odpowiedź

    Balance and sensory information about head orientation and motion.

  57. Karta 57

    Pytanie

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

    Odpowiedź

    Blood-pressure and blood-chemistry signals, respectively.

  58. Karta 58

    Pytanie

    CN X (vagus) — key laryngeal motor function?

    Odpowiedź

    Motor control of the intrinsic laryngeal muscles for phonation.

  59. Karta 59

    Pytanie

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

    Odpowiedź

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

  60. Karta 60

    Pytanie

    CN XII (hypoglossal) — role in tongue protrusion?

    Odpowiedź

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

  61. Karta 61

    Pytanie

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

    Odpowiedź

    Pupillary constriction through the sphincter pupillae.

  62. Karta 62

    Pytanie

    CN V3 (mandibular division) — main sensory territory?

    Odpowiedź

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

  63. Karta 63

    Pytanie

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

    Odpowiedź

    It provides secretomotor input to the lacrimal gland.

  64. Karta 64

    Pytanie

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

    Odpowiedź

    Stylopharyngeus, which elevates the pharynx during swallowing.

  65. Karta 65

    Pytanie

    CN X (vagus) — main parasympathetic territory?

    Odpowiedź

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

  66. Karta 66

    Pytanie

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

    Odpowiedź

    Lens accommodation through the ciliary muscle.

  67. Karta 67

    Pytanie

    CN V (trigeminal) — main motor function?

    Odpowiedź

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

  68. Karta 68

    Pytanie

    CN VII (facial) — parasympathetic role in salivation?

    Odpowiedź

    It provides secretomotor input to the submandibular and sublingual glands.

  69. Karta 69

    Pytanie

    CN IX (glossopharyngeal) — parasympathetic salivary target?

    Odpowiedź

    The parotid gland.

  70. Karta 70

    Pytanie

    CN X (vagus) — main visceral sensory territory?

    Odpowiedź

    The pharynx, larynx, and thoracic and abdominal organs.

  71. Karta 71

    Pytanie

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

    Odpowiedź

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

  72. Karta 72

    Pytanie

    CN XI (accessory) — trapezius function?

    Odpowiedź

    Elevating the shoulder, as in a shoulder shrug.

  73. Karta 73

    Pytanie

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

    Odpowiedź

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

  74. Karta 74

    Pytanie

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

    Odpowiedź

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

  75. Karta 75

    Pytanie

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

    Odpowiedź

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

  76. Karta 76

    Pytanie

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

    Odpowiedź

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

  77. Karta 77

    Pytanie

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

    Odpowiedź

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

  78. Karta 78

    Pytanie

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

    Odpowiedź

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

  79. Karta 79

    Pytanie

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

    Odpowiedź

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

  80. Karta 80

    Pytanie

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

    Odpowiedź

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

  81. Karta 81

    Pytanie

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

    Odpowiedź

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

  82. Karta 82

    Pytanie

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

    Odpowiedź

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

  83. Karta 83

    Pytanie

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

    Odpowiedź

    Compare shoulder elevation while the person shrugs against resistance.

  84. Karta 84

    Pytanie

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

    Odpowiedź

    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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