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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 tomto balíčku

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.

Kartičky v tomto balíčku

  1. Kartička 1

    Otázka

    CN I — nerve name?

    Odpoveď

    Olfactory nerve.

  2. Kartička 2

    Otázka

    CN II — nerve name?

    Odpoveď

    Optic nerve.

  3. Kartička 3

    Otázka

    CN III — nerve name?

    Odpoveď

    Oculomotor nerve.

  4. Kartička 4

    Otázka

    CN IV — nerve name?

    Odpoveď

    Trochlear nerve.

  5. Kartička 5

    Otázka

    Olfactory nerve — cranial nerve number?

    Odpoveď

    CN I.

  6. Kartička 6

    Otázka

    CN V — nerve name?

    Odpoveď

    Trigeminal nerve.

  7. Kartička 7

    Otázka

    Optic nerve — cranial nerve number?

    Odpoveď

    CN II.

  8. Kartička 8

    Otázka

    CN VI — nerve name?

    Odpoveď

    Abducens nerve.

  9. Kartička 9

    Otázka

    Oculomotor nerve — cranial nerve number?

    Odpoveď

    CN III.

  10. Kartička 10

    Otázka

    CN VII — nerve name?

    Odpoveď

    Facial nerve.

  11. Kartička 11

    Otázka

    Trochlear nerve — cranial nerve number?

    Odpoveď

    CN IV.

  12. Kartička 12

    Otázka

    CN VIII — nerve name?

    Odpoveď

    Vestibulocochlear nerve.

  13. Kartička 13

    Otázka

    Trigeminal nerve — cranial nerve number?

    Odpoveď

    CN V.

  14. Kartička 14

    Otázka

    CN IX — nerve name?

    Odpoveď

    Glossopharyngeal nerve.

  15. Kartička 15

    Otázka

    Abducens nerve — cranial nerve number?

    Odpoveď

    CN VI.

  16. Kartička 16

    Otázka

    CN X — nerve name?

    Odpoveď

    Vagus nerve.

  17. Kartička 17

    Otázka

    Facial nerve — cranial nerve number?

    Odpoveď

    CN VII.

  18. Kartička 18

    Otázka

    CN XI — nerve name?

    Odpoveď

    Accessory nerve, also called the spinal accessory nerve.

  19. Kartička 19

    Otázka

    Vestibulocochlear nerve — cranial nerve number?

    Odpoveď

    CN VIII.

  20. Kartička 20

    Otázka

    CN XII — nerve name?

    Odpoveď

    Hypoglossal nerve.

  21. Kartička 21

    Otázka

    Glossopharyngeal nerve — cranial nerve number?

    Odpoveď

    CN IX.

  22. Kartička 22

    Otázka

    Vagus nerve — cranial nerve number?

    Odpoveď

    CN X.

  23. Kartička 23

    Otázka

    Accessory nerve — cranial nerve number?

    Odpoveď

    CN XI.

  24. Kartička 24

    Otázka

    Hypoglossal nerve — cranial nerve number?

    Odpoveď

    CN XII.

  25. Kartička 25

    Otázka

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

    Odpoveď

    Sensory.

  26. Kartička 26

    Otázka

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

    Odpoveď

    Sensory.

  27. Kartička 27

    Otázka

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

    Odpoveď

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

  28. Kartička 28

    Otázka

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

    Odpoveď

    Mixed.

  29. Kartička 29

    Otázka

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

    Odpoveď

    Motor.

  30. Kartička 30

    Otázka

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

    Odpoveď

    Sensory.

  31. Kartička 31

    Otázka

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

    Odpoveď

    Mixed.

  32. Kartička 32

    Otázka

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

    Odpoveď

    Mixed.

  33. Kartička 33

    Otázka

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

    Odpoveď

    Motor.

  34. Kartička 34

    Otázka

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

    Odpoveď

    Mixed.

  35. Kartička 35

    Otázka

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

    Odpoveď

    Motor.

  36. Kartička 36

    Otázka

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

    Odpoveď

    Motor.

  37. Kartička 37

    Otázka

    CN I (olfactory) — primary sensory function?

    Odpoveď

    Smell, or olfaction.

  38. Kartička 38

    Otázka

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

    Odpoveď

    Visual sensory information.

  39. Kartička 39

    Otázka

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

    Odpoveď

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

  40. Kartička 40

    Otázka

    CN IV (trochlear) — extraocular muscle target?

    Odpoveď

    Superior oblique muscle.

  41. Kartička 41

    Otázka

    CN V1 (ophthalmic division) — main sensory territory?

    Odpoveď

    The upper face, including the forehead and cornea.

  42. Kartička 42

    Otázka

    CN VI (abducens) — extraocular muscle target?

    Odpoveď

    Lateral rectus muscle.

  43. Kartička 43

    Otázka

    CN VII (facial) — main somatic motor function?

    Odpoveď

    Movement of the muscles of facial expression.

  44. Kartička 44

    Otázka

    CN VIII (vestibulocochlear) — cochlear branch function?

    Odpoveď

    Hearing.

  45. Kartička 45

    Otázka

    CN IX (glossopharyngeal) — taste territory?

    Odpoveď

    The posterior one-third of the tongue.

  46. Kartička 46

    Otázka

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

    Odpoveď

    The pharyngeal and soft-palate muscles used in swallowing.

  47. Kartička 47

    Otázka

    CN XI (accessory) — sternocleidomastoid function?

    Odpoveď

    Turning the head to the opposite side.

  48. Kartička 48

    Otázka

    CN XII (hypoglossal) — main muscle targets?

    Odpoveď

    The intrinsic and extrinsic tongue muscles, except palatoglossus.

  49. Kartička 49

    Otázka

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

    Odpoveď

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

  50. Kartička 50

    Otázka

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

    Odpoveď

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

  51. Kartička 51

    Otázka

    CN III (oculomotor) — role in eyelid position?

    Odpoveď

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

  52. Kartička 52

    Otázka

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

    Odpoveď

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

  53. Kartička 53

    Otázka

    CN V2 (maxillary division) — main sensory territory?

    Odpoveď

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

  54. Kartička 54

    Otázka

    CN VI (abducens) — primary eye movement?

    Odpoveď

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

  55. Kartička 55

    Otázka

    CN VII (facial) — taste territory?

    Odpoveď

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

  56. Kartička 56

    Otázka

    CN VIII (vestibulocochlear) — vestibular branch function?

    Odpoveď

    Balance and sensory information about head orientation and motion.

  57. Kartička 57

    Otázka

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

    Odpoveď

    Blood-pressure and blood-chemistry signals, respectively.

  58. Kartička 58

    Otázka

    CN X (vagus) — key laryngeal motor function?

    Odpoveď

    Motor control of the intrinsic laryngeal muscles for phonation.

  59. Kartička 59

    Otázka

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

    Odpoveď

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

  60. Kartička 60

    Otázka

    CN XII (hypoglossal) — role in tongue protrusion?

    Odpoveď

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

  61. Kartička 61

    Otázka

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

    Odpoveď

    Pupillary constriction through the sphincter pupillae.

  62. Kartička 62

    Otázka

    CN V3 (mandibular division) — main sensory territory?

    Odpoveď

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

  63. Kartička 63

    Otázka

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

    Odpoveď

    It provides secretomotor input to the lacrimal gland.

  64. Kartička 64

    Otázka

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

    Odpoveď

    Stylopharyngeus, which elevates the pharynx during swallowing.

  65. Kartička 65

    Otázka

    CN X (vagus) — main parasympathetic territory?

    Odpoveď

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

  66. Kartička 66

    Otázka

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

    Odpoveď

    Lens accommodation through the ciliary muscle.

  67. Kartička 67

    Otázka

    CN V (trigeminal) — main motor function?

    Odpoveď

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

  68. Kartička 68

    Otázka

    CN VII (facial) — parasympathetic role in salivation?

    Odpoveď

    It provides secretomotor input to the submandibular and sublingual glands.

  69. Kartička 69

    Otázka

    CN IX (glossopharyngeal) — parasympathetic salivary target?

    Odpoveď

    The parotid gland.

  70. Kartička 70

    Otázka

    CN X (vagus) — main visceral sensory territory?

    Odpoveď

    The pharynx, larynx, and thoracic and abdominal organs.

  71. Kartička 71

    Otázka

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

    Odpoveď

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

  72. Kartička 72

    Otázka

    CN XI (accessory) — trapezius function?

    Odpoveď

    Elevating the shoulder, as in a shoulder shrug.

  73. Kartička 73

    Otázka

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

    Odpoveď

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

  74. Kartička 74

    Otázka

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

    Odpoveď

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

  75. Kartička 75

    Otázka

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

    Odpoveď

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

  76. Kartička 76

    Otázka

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

    Odpoveď

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

  77. Kartička 77

    Otázka

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

    Odpoveď

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

  78. Kartička 78

    Otázka

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

    Odpoveď

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

  79. Kartička 79

    Otázka

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

    Odpoveď

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

  80. Kartička 80

    Otázka

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

    Odpoveď

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

  81. Kartička 81

    Otázka

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

    Odpoveď

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

  82. Kartička 82

    Otázka

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

    Odpoveď

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

  83. Kartička 83

    Otázka

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

    Odpoveď

    Compare shoulder elevation while the person shrugs against resistance.

  84. Kartička 84

    Otázka

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

    Odpoveď

    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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