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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.

Yazan 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.

Bu destedeki kartlar

  1. Kart 1

    Soru

    CN I — nerve name?

    Cevap

    Olfactory nerve.

  2. Kart 2

    Soru

    CN II — nerve name?

    Cevap

    Optic nerve.

  3. Kart 3

    Soru

    CN III — nerve name?

    Cevap

    Oculomotor nerve.

  4. Kart 4

    Soru

    CN IV — nerve name?

    Cevap

    Trochlear nerve.

  5. Kart 5

    Soru

    Olfactory nerve — cranial nerve number?

    Cevap

    CN I.

  6. Kart 6

    Soru

    CN V — nerve name?

    Cevap

    Trigeminal nerve.

  7. Kart 7

    Soru

    Optic nerve — cranial nerve number?

    Cevap

    CN II.

  8. Kart 8

    Soru

    CN VI — nerve name?

    Cevap

    Abducens nerve.

  9. Kart 9

    Soru

    Oculomotor nerve — cranial nerve number?

    Cevap

    CN III.

  10. Kart 10

    Soru

    CN VII — nerve name?

    Cevap

    Facial nerve.

  11. Kart 11

    Soru

    Trochlear nerve — cranial nerve number?

    Cevap

    CN IV.

  12. Kart 12

    Soru

    CN VIII — nerve name?

    Cevap

    Vestibulocochlear nerve.

  13. Kart 13

    Soru

    Trigeminal nerve — cranial nerve number?

    Cevap

    CN V.

  14. Kart 14

    Soru

    CN IX — nerve name?

    Cevap

    Glossopharyngeal nerve.

  15. Kart 15

    Soru

    Abducens nerve — cranial nerve number?

    Cevap

    CN VI.

  16. Kart 16

    Soru

    CN X — nerve name?

    Cevap

    Vagus nerve.

  17. Kart 17

    Soru

    Facial nerve — cranial nerve number?

    Cevap

    CN VII.

  18. Kart 18

    Soru

    CN XI — nerve name?

    Cevap

    Accessory nerve, also called the spinal accessory nerve.

  19. Kart 19

    Soru

    Vestibulocochlear nerve — cranial nerve number?

    Cevap

    CN VIII.

  20. Kart 20

    Soru

    CN XII — nerve name?

    Cevap

    Hypoglossal nerve.

  21. Kart 21

    Soru

    Glossopharyngeal nerve — cranial nerve number?

    Cevap

    CN IX.

  22. Kart 22

    Soru

    Vagus nerve — cranial nerve number?

    Cevap

    CN X.

  23. Kart 23

    Soru

    Accessory nerve — cranial nerve number?

    Cevap

    CN XI.

  24. Kart 24

    Soru

    Hypoglossal nerve — cranial nerve number?

    Cevap

    CN XII.

  25. Kart 25

    Soru

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

    Cevap

    Sensory.

  26. Kart 26

    Soru

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

    Cevap

    Sensory.

  27. Kart 27

    Soru

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

    Cevap

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

  28. Kart 28

    Soru

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

    Cevap

    Mixed.

  29. Kart 29

    Soru

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

    Cevap

    Motor.

  30. Kart 30

    Soru

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

    Cevap

    Sensory.

  31. Kart 31

    Soru

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

    Cevap

    Mixed.

  32. Kart 32

    Soru

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

    Cevap

    Mixed.

  33. Kart 33

    Soru

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

    Cevap

    Motor.

  34. Kart 34

    Soru

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

    Cevap

    Mixed.

  35. Kart 35

    Soru

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

    Cevap

    Motor.

  36. Kart 36

    Soru

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

    Cevap

    Motor.

  37. Kart 37

    Soru

    CN I (olfactory) — primary sensory function?

    Cevap

    Smell, or olfaction.

  38. Kart 38

    Soru

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

    Cevap

    Visual sensory information.

  39. Kart 39

    Soru

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

    Cevap

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

  40. Kart 40

    Soru

    CN IV (trochlear) — extraocular muscle target?

    Cevap

    Superior oblique muscle.

  41. Kart 41

    Soru

    CN V1 (ophthalmic division) — main sensory territory?

    Cevap

    The upper face, including the forehead and cornea.

  42. Kart 42

    Soru

    CN VI (abducens) — extraocular muscle target?

    Cevap

    Lateral rectus muscle.

  43. Kart 43

    Soru

    CN VII (facial) — main somatic motor function?

    Cevap

    Movement of the muscles of facial expression.

  44. Kart 44

    Soru

    CN VIII (vestibulocochlear) — cochlear branch function?

    Cevap

    Hearing.

  45. Kart 45

    Soru

    CN IX (glossopharyngeal) — taste territory?

    Cevap

    The posterior one-third of the tongue.

  46. Kart 46

    Soru

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

    Cevap

    The pharyngeal and soft-palate muscles used in swallowing.

  47. Kart 47

    Soru

    CN XI (accessory) — sternocleidomastoid function?

    Cevap

    Turning the head to the opposite side.

  48. Kart 48

    Soru

    CN XII (hypoglossal) — main muscle targets?

    Cevap

    The intrinsic and extrinsic tongue muscles, except palatoglossus.

  49. Kart 49

    Soru

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

    Cevap

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

  50. Kart 50

    Soru

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

    Cevap

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

  51. Kart 51

    Soru

    CN III (oculomotor) — role in eyelid position?

    Cevap

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

  52. Kart 52

    Soru

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

    Cevap

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

  53. Kart 53

    Soru

    CN V2 (maxillary division) — main sensory territory?

    Cevap

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

  54. Kart 54

    Soru

    CN VI (abducens) — primary eye movement?

    Cevap

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

  55. Kart 55

    Soru

    CN VII (facial) — taste territory?

    Cevap

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

  56. Kart 56

    Soru

    CN VIII (vestibulocochlear) — vestibular branch function?

    Cevap

    Balance and sensory information about head orientation and motion.

  57. Kart 57

    Soru

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

    Cevap

    Blood-pressure and blood-chemistry signals, respectively.

  58. Kart 58

    Soru

    CN X (vagus) — key laryngeal motor function?

    Cevap

    Motor control of the intrinsic laryngeal muscles for phonation.

  59. Kart 59

    Soru

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

    Cevap

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

  60. Kart 60

    Soru

    CN XII (hypoglossal) — role in tongue protrusion?

    Cevap

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

  61. Kart 61

    Soru

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

    Cevap

    Pupillary constriction through the sphincter pupillae.

  62. Kart 62

    Soru

    CN V3 (mandibular division) — main sensory territory?

    Cevap

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

  63. Kart 63

    Soru

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

    Cevap

    It provides secretomotor input to the lacrimal gland.

  64. Kart 64

    Soru

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

    Cevap

    Stylopharyngeus, which elevates the pharynx during swallowing.

  65. Kart 65

    Soru

    CN X (vagus) — main parasympathetic territory?

    Cevap

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

  66. Kart 66

    Soru

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

    Cevap

    Lens accommodation through the ciliary muscle.

  67. Kart 67

    Soru

    CN V (trigeminal) — main motor function?

    Cevap

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

  68. Kart 68

    Soru

    CN VII (facial) — parasympathetic role in salivation?

    Cevap

    It provides secretomotor input to the submandibular and sublingual glands.

  69. Kart 69

    Soru

    CN IX (glossopharyngeal) — parasympathetic salivary target?

    Cevap

    The parotid gland.

  70. Kart 70

    Soru

    CN X (vagus) — main visceral sensory territory?

    Cevap

    The pharynx, larynx, and thoracic and abdominal organs.

  71. Kart 71

    Soru

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

    Cevap

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

  72. Kart 72

    Soru

    CN XI (accessory) — trapezius function?

    Cevap

    Elevating the shoulder, as in a shoulder shrug.

  73. Kart 73

    Soru

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

    Cevap

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

  74. Kart 74

    Soru

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

    Cevap

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

  75. Kart 75

    Soru

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

    Cevap

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

  76. Kart 76

    Soru

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

    Cevap

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

  77. Kart 77

    Soru

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

    Cevap

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

  78. Kart 78

    Soru

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

    Cevap

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

  79. Kart 79

    Soru

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

    Cevap

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

  80. Kart 80

    Soru

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

    Cevap

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

  81. Kart 81

    Soru

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

    Cevap

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

  82. Kart 82

    Soru

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

    Cevap

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

  83. Kart 83

    Soru

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

    Cevap

    Compare shoulder elevation while the person shrugs against resistance.

  84. Kart 84

    Soru

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

    Cevap

    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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