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CRANIAL NERVES & RECEPTOR SITES FINAL

  1. What are the 3 levels of the brainstem?
    • Midbrain
    • Pons
    • Medulla
  2. What is cranial nerve I?
    Olfactory
  3. WHat is Cranial nerve II?
    Optic
  4. What is cranial nerve III?
    Oculomotor
  5. What is cranial nerve IV?
    Trochlear
  6. What is cranial nerve V?
    Trigeminal
  7. What is cranial nerve VI?
    Abducens
  8. What is cranial nerve VII?
    Facial
  9. What is cranial nerve VIII?
    Vestibulocochlear (auditory)
  10. What is cranial nerve IX?
    Glosopharyngeal
  11. What is cranial nerve X?
    Vagus
  12. What is cranial nerve XI?
    Accessory
  13. What is cranial nerve XII?
    Hypoglossal
  14. What does the olfactory nerve control?
    Sense of smell
  15. What does the optic nerve control?
    Vision
  16. What does the oculomotor nerve control?
    Eyelid & eyeball movement
  17. What does the trochlear nerve control?
    Lateral & downward movement of the eye
  18. What does the trigeminal nerve control?
    • Chewing
    • Face & mouth touch & pain
  19. What does the abducens nerve control?
    Lateral eye movement
  20. What does the facial nerve control?
    • Facial movements
    • Secretion of tears & saliva
    • Taste
  21. What does the vestibulocochlear nerve control?
    • Hearing
    • Sensation of equillibrium
  22. What does the Vagus nerve control?
    • Aortic BP
    • Slows HR
    • Stimulates digestive organs
    • Taste
  23. What does the accessory nerve control?
    • Trapezius & sternocleidomastoid muscles
    • Swallowing movements
  24. What does the hypoglossal nerve control?
    Tongue movements
  25. Stimulation of Alpha 1 receptor sites causes what?
    • Vasoconstriction
    • Contraction of smooth muscle
  26. Stimulation of Alpha 2 receptor sites causes what?
    • Vasodilation of arteries
    • Vasoconstriction of veins
  27. Stimulation of Beta 1 receptors causes:
    • Increase HR in SA Node
    • Increase Contractility
    • Increase automaticity
    • Increase conduction @ AV node
  28. Explain chronotropic effects on the heart:
    Those that change HR
  29. Explain dromotropic effects on the heart:
    Agents that affect conduction in the AV node
  30. Explain inotropic effects on the heart:
    Agent that alters contraction force of the heart
  31. Stimulation of Beta 2 receptors causes:
    Smooth muscle relaxation causing bronchodilation
  32. What is CN I and how do we test it?
    • Olfactory
    • Odor in 1 nostril then the other
  33. What is CN II and how do we test it?
    • Optic
    • Eye chart
  34. What is CH III and how do we test it?
    • Occulomotor
    • "H" pattern test
  35. What is CN IV and how do we test it?
    • Trochlear
    • "H" pattern test
  36. What is CN V and how do we test it?
    • Trigeminal
    • Clench teeth & palp temporal & masseter muscles
  37. What is CN VI and how do we test it?
    • Abducens
    • "H" pattern test
  38. What is CN VII and how do we test it?
    • Facial
    • Facial symmetry, eyelid droop, abnormal movements
  39. What is CN VIII and how do we test it?
    • Vestibulocochlear
    • Test hearing & balance with eyes closed
  40. What is CN IX & how do we test it?
    • Glossopharyngeal
    • Say "ahhh" watch for soft palate & uvula to rise symmetrically
  41. What is CN X & how do we test it?
    • Vagus
    • Eval speech, swallowing, gag reflex & say "ahhh"
  42. What is CN XI & how is it tested?
    • Raise shoulders against resistance
    • Turn head against resistance
  43. What is CN XII & how is it tested?
    Assess speech & midline projection
Author
medic11
ID
80032
Card Set
CRANIAL NERVES & RECEPTOR SITES FINAL
Description
CNs & Alpha/Beta Sites 4/15/11
Updated

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