Chap 3 - Nervous System

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Chap 3 - Nervous System
2011-09-17 14:18:02
Nervous System

Nervous System
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  1. What are the 4 catergories of the peripheral nerves?
    • * Somatic sensory
    • * Somatic motor
    • * Visceral (automatic) sensory
    • * Visceral (automatic) motor
  2. What functions do the frontal areas of the Cerebrum control?
    • personality
    • motor
  3. What are the effects when the collateral ganglia is stimulated?
    • Reduction in blood flow to abdominal organs
    • Decreased digestive activity
    • Relaxation of smooth muscles in the wall of the urinary bladder
    • Release of glucose stores from the liver
  4. What is the anterior medial fissure?
    Deep crease along the ventral surface of the spinal cord that divides the cord into right and left halves
  5. What are the 2 nicotinic receptors called?
    NicotinicN (neuron) : found in autonomic ganglia; parasymphathetic & sympathetic systems

    NicotinicM (muscles): found at the neuromuscular juntion, initiate muscular contraction; somatic nervous system
  6. What is the mesencephalon?
    • aka., midbrain
    • Located b/t the diencephalon and the pons
  7. What is the mesencephalon responsible for?
    motor coordination & eye movement
  8. What is the Gray Matte of the spinal cord?
    Areas in the CNS dominated by nerve cell bodies; the central portion of the spinal cord
  9. What are the effects when the sympathatic chain ganglia in stimulated?
    • ^BP
    • Stimulation of secretion by sweat glands
    • Constriction of blood vessels in the skin
    • ^ in blood flow to skeletal muscles
    • ^HR
    • ^ force of cardiac contraction
    • Bronchodilation
    • Stimulation of energy production
  10. What is the somatic sensory nerve?
    Afferent nerves that transmit sensations such as touch, pressure, pain, temperature & position
  11. What is a neuron?
    • Nerve cell
    • Fundamental component of nervous system
  12. What bones make up the cranium?
    • frontal
    • occipital
    • parietal
    • temporal
    • sphenoid
    • ethmoid
  13. What are some of the 'key' locations to recognize for assessment for dermatomes?
    • C3 : collar region
    • C7 : little finger
    • T4 : nipple line
    • T10 : umbilicus
    • S1 : small toe
  14. What is the space outside the dura mater called?
    Epidural space
  15. What are the effects of the apha1 receptors?
    • Peripheral vasoconstriction
    • Mild bronchoconstriction
    • Stimulation of metabolism
  16. What is the temporal lobe of the cerebrum responsible for?
  17. What are the '2' types of the sympathetic ganglia?
    • Sympathetic chain ganglia
    • Collateral ganglia
  18. Sensory is located in
    The parietal lobes of the cerebrum
  19. The 12th cranial nerve which is responsible for voluntary movement of the tongue is:
    The hypoglossal
  20. The two vascular components and locations that provide blood flow to the brain are:
    • Carotid (anterior)
    • Vertebrobaisilar (posterior)
  21. The sympathetic nervous system is mediated by the (blank) neurotransmitters
    epinephrine and norepinephrine
  22. The diencephalon is mostly responsible for :
    • temperature regulation
    • sleep
    • water balance
    • stress response
    • emotions
    • plays a major role in autonomic nervous system
  23. The junction of two neurons is called a:
  24. When acetylcholine is broken down by acetycholinesterase the resulting chemicals are:
    Acetic Acid and Choline
  25. Dopaminergic receptors cause what type of response?
    dilate renal, coronary, and cerebral arteries
  26. What part of the nervous system controls voluntary functions?
    The Somatic nervous system
  27. Material that surrounds gray matter in the spinal cord; made up largely of axons
    White matter
  28. The cranial nerve that is responsible for the tongue and facial expression is?
    7- Facial nerve
  29. What is a neuron?
    A nerve cell
  30. Groups of autonomic nerve cells located outside the CNS
    Autonomic ganglia
  31. Shallow longitude groove along the dorsal surface of the spinal cord
    posterior medial sulcus
  32. The third and fourth cranial nerves (Occulomoter) and (Trochlear) are responsible for what?
    movement of the eye
  33. The cranial nerve that allows a person to look up and down is:
  34. The neurotransmitter used by the somatic nervous system is?
  35. Motor is located:
    In the frontal lobes of the cerebrum
  36. The cranial nerve that is responsible for the ability to swallow is:
  37. 31 pairs of nerves that originate along the spinal cord from anterior and posterior nerve roots
    Spinal nerves
  38. The cerebrum governs?
    • All sensory and motor actions
    • It is also considered the seat of intellegence, learning, analysis, memory and language
  39. The __________ is the outermost layer of the cerebrum
    The cerebral cortex
  40. Balance and coordination is located:
    In the cerebellum
  41. The actions of the parasympathetic nervous system are:
    • Decreased HR
    • Constriction of the bronchioles and pupils
  42. The parasympathetic nervous system is mediated by the neurotransmitter ______?
  43. The cranial nerve that is responsible for smell is?
    1- Olfactory
  44. These receptors inhibit release of norepinephrine:
    Alpha 2
  45. Sympathetic nervous system actions may include :
    • Increased HR
    • Dilated bronchioles
    • dilated pupils
  46. The cranial nerve responsible for vision is?
    2 - Optic
  47. The four types of adrenergic receptors are?
    • Alpha 1
    • Alpha 2
    • Beta 1
    • Beta 2
  48. The thalamus, hypothalamus,pituitary gland and the limbic system are located in the:
    Diencephalon, aka the inner brain
  49. Muscle and tissue of the body innervated by a spinal cord nerve root
  50. Personality is located in the
    Frontal lobes of cerebrum
  51. The cranial nerve that is responsible for facial pain is?
    5 - Trigeminal
  52. What response does the Beta 2 receptor cause
    • Increased HR
    • Increased contractial force
    • Increased automaticity and conductivity
  53. Often refferd to as the "fight or flight" system prepares the body for stressful situations
    Sympathetic nervous system
  54. Areas in the CNS dominated by nerve cell bodies; central portion of the spinal cord
    Gray matter
  55. Bundles of axons along the spinal cord that transmit signals from the body to the brain
    Ascending tracts
  56. What are examples of neurotransmitters
    • Acetycholine
    • Norepinephrine
    • dopamine
  57. The space between the dura mater and arachnoid space is called:
    The subdural space
  58. Beta 2 receptors cause what type of response?
    • Vasodilation
    • Bronchodilation
  59. Nerve fibers that extend from the autonomic ganglia to the target tissues
    postganglionic nerves
  60. Speech control is found in what part of the brain?
    The temporal lobe of the cerebrum
  61. These adrenergic receptors cause peripheral vasocontriction, bronchoconstriction and stimulation of metabolism:
    Alpha 1
  62. Topographical region of the body surface innervated by one nerve root:
  63. The part of the nervous system that extends throughout the body and is comprised of cranial and peripheral nerves:
    The peripheral nervous system
  64. The 11th cranial nerve that is responsible for the neck muscles is the:
    Accessory Nerve
  65. The purpose of the Mesencephalon (mid brain) is:
    To control certain aspects of motor coordiantion. Play major role in eye movement
  66. The brain and the spinal column are bathed in?
    Cerebrospinal fluid
  67. The carotid and vertebrobasilar both join at:
    The circle of Willis
  68. The 8th cranial nerve (aucostic) is responsible for?
    Hearing, sense, and balance