Human AP Chapter 13

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  1. links the CNS to the body and to the external enviroment
    Peripheral Nervous system (PNS)
  2. The two main divisions of the PNS and their sub divisions
    • Sensory (afferent) and motor (efferent)
    • somatic and visceral
  3. detects sensory information from the skin and structures of the musculoskeletal system
    Somatic sensory division
  4. detects internal sensory information from organs withing the abdominopelvic and thoracic cavities
    Visceral sensory division
  5. responsible for the body's voluntary motor functions
    Somatic motor division
  6. responsible for maintaining many aspects of homeostasis through its control of th body's involuntay motor functions.
    Visceral motor division (Autonomic Nervous System)(ANS)
  7. The two divisions of the autonomic motor system
    Parasympathetic and sympathetic nervous system
  8. the fight or flight division of the ANS
    Sympathetic nervous system
  9. The rest and digest division of the ANS
    Parasympathetic nervous system
  10. what are the main organs of the PNS
    Peripheral Nerves
  11. nerves that contain both sensory and motor neuron
    Mixed nerves
  12. containing motor neurons from the anterior horn
    Anterior root
  13. a collection of cell bodies in the PNS is called a
  14. attach to the brain and mainly innervate structures of the head and neck
    Cranial Nerves
  15. the motor and sensory axons making up a nerve are held together by a connective tissue sheath called the
  16. within the nerve axons are fascicles which are in turn bound by another connective tissue sheath  called the
  17. each axon within a fascicle is surrounded by its own connective tissue sheath
  18. axons end in the primary olfactory area of temporal lobe
    sensory nerve
    Olfactory (1)
  19. acronym for cranial nerves
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  20. cranial nerves smb acronym
    Some Say Marry Money But My Brother Says Bad Business Marry Money
  21. visual info from the retina sent through optic nerve
    crosses hemisphere at optic chiasma
    through optic tract
    Optic Nerve (II) Sensory
  22. Controls extrinsic muscles of the eyes and eyelids
    Oculomotor (III) Motor
  23. controls superior oblique muscle of the eye
    smallest cranial nerve
    Trochlear (IV) Motor
  24. causes abduction (lateral rotation) of eye
    Abducens (VI) motor
  25. Largest cranial nerve
    s Touch pain temp
    m mastication
    3 branches opthalmic, maxillary, mandible
    Trigeminal V
  26. S; taste from anterior 2/3 of tongue
    M; facial expression, glandular secretion
    Facial VII
    S; hearing, cochlear branch
    Vestibulocochlear (VIII)
  28. M; controls sternocleidomastoid and trapezius msucles
    Acessory (XI)
  29. M; speech and swallowing
    Hypoglossal (XII(
  30. S; taste, blood preassure, chemoreception
    M; salivation
    Glossopharyngeal IX
  31. S; multiple visceral sensory inputs
    M; innervates smooth and cardiac muscles
    M; innervates skeletal muscle, swallowing, vocalization, coughing
    Vagus (X)
  32. Ramus =
  33. spinal nerves branch after exiting
    Intervertebral foramen
  34. meningeal branch re-enters at the
    Vertebral cavity
  35. Controls deep muscles and skin of back
    Posterior Ramus
  36. most form plexuses, 
    supply the anterior surface limbs
    Anterior Ramus
  37. Formed from anterior rami of nerves C1-C4 and part of C5
    partial connection with hypoglossal nerve
    Cervical plexus
  38. (c3-c4); supplies skin on superior chest and shoulder
    Supraclavicular nerve
  39. c3- c5 supplies the diaghragm, keeps the body alive
    Phrenic nerve
  40. formed from anterior rami of c5-c8, T1
    Most of the nerve supply to shoulder and upper limbs
    Brachial pleus
  41. Injury to superior roots of the brachial plexus
    No sensation on lateral side of arm
  42. Injurty to radial and axillary nerves of brachial plexus
    Inability to extend wrist and fingers
  43. Injury to median nerve of brachial plexus
    Inability to pronate, flex fingers and wrist
  44. Injury to Ulnar nerve would result in the
    Inability to abduct, adduct fingers; permanent hyperextension
  45. Formed by anterior rami of L1-L4
    Lumbar Plexus
  46. L2 and L4 flexor of muscle in hip 
    Extensor muscle of knee
    Skin partial of thigh, leg and foot
    Lumbar Plexus
  47. part of Lumbar Plexus
    Adductor muscles of hip
    Skin of medial thigh
    Obturator Nerve
  48. inabiity to extend leg, less of sensation would be and injury to
    Femoral Nerve
  49. Inability to adduct thigh, loss of sensation would be result of and injury to
    Obturator nerve
  50. formed by anterior rami of L4-L5, S1-S4 
    Contains the sciatic nerve, supplies the buttocks, perineum, lower limbs
    Sacral Plexus
  51. Largest nerve in the body, often injured
    Sciatic Nerve
  52. Formed by anterior rami of S4-S6 and coccygeal nerves
    Coccygeal Plexus
  53. neuronal circuits; includes receptor sensory neuron, integrating neuron motor neuron and effector
    Reflex Arc
  54. Modifies muscle fibers
    -detect stretch, length, and position
    Muscle Spindles
  55. - monitor tension
    Golgi tendon organs
  56. as far as skeletal muscle reflexes go, sensory information is obtained from what
    Muscle spindles and golgi tendon organs
  57. Controls muscle length; tone
    Simple stretch reflex
  58. Causes relaxation when tension is too hight
    Golgi tendon reflex
  59. protective flexor muscles contract to avoid pain or njury
    Flexion refllex
Card Set:
Human AP Chapter 13
2017-12-04 00:04:51
Human AP
Chapter 13 5.2
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