Chapter 12 Nervous system

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Chapter 12 Nervous system
2011-11-14 19:42:38

nervous system III
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  1. A nociceptor is a type of _____ receptor
  2. Pressoreceptors respond to changes in stimuli such as _____.
    pressure within a vessel
  3. Sensory adaptation occurs when stimuli become _____.
    gradually ignored
  4. Stimulation of a _____ usually results in pain.
    free nerve ending
  5. The movements in breathing can be detected by the _____ in the tendons of the
    Golgi organs
  6. A stretch reflex occurs when the intrafusal fibers of a _____ are stimulated
    muscle spindle
  7. The _____ are the actual areas that respond to chemical stimulations for the
    sense of smell
    cilia on olfactory cells
  8. The olfactory receptor cells are examples of _____ neurons
  9. Which area allows one to perceive the aroma of a pizza?
    olfactory cortex

  10. The connection
    between the cochlear hair cells and the VIII cranial nerve are made by _____.
    release of neurotransmitter
  11. The intensity of sounds is measured in units of _____.
    dB (decibels)
  12. The auditory perception center is located within the _____.
    temporal lobe
  13. Which type of deafness can be treated by a cochlear implant?
  14. The following belong together except which one?
    • dynamic equilibrium <-----
    • vestibule
    • static equilibrium
    • urticle
  15. The maculae can be found in the _____.
  16. Which of the following is decomposed under light?
  17. A sensory receptor capable of detecting changes in hydrogen ion concentration is
    more accurately described as a ______________.
  18. Heavy pressure and vibrations stimulate ________________.
    Pacinian corpuscles
  19. Choose the statement about the sense of pain that is correct
    A phenomenon known as referred pain can be explained because of common nerve
  20. What type of somatic receptor lies within tendons close to the point of
    attachment to muscles and is stimulated by increased muscular tension?
    golgi tendon organ
  21. Light skin touch is sensed by _____ receptors.
  22. At a temperature of 50 degrees C, the most likely perception of a skin sensation
    is one of _____.
  23. Of the following, which can least likely undergo adaptation?
    pain receptors
  24. Pain in the left arm caused by lack of blood to the heart is a type of _____
  25. The best explanation for referred pain is that the nerves that are responsible
    are _____.
    shared between visceral and somatic pathways
  26. Pain originating in the parietal pericardium is _____ by the brain
    felt directly
  27. Which does NOT belong with the other items?
    • chronic pain <------
    • acute pain
    • A fibers
    • spinothalmic tract
  28. An analgesic is a drug which usually _____ pain impulses.
  29. The _____ of the brain seems to give one a crude awareness of pain)
  30. Which of the following cannot block pain in the brain?
  31. Which sense is most likely to adapt rapidly?
  32. A person aged 21 will probably lose _____ of their smell at 22.
  33. The visible elevations on the tongue that contain the receptors for taste are the _____.
  34. Which of the following could be detected on the back of the tongue?
  35. Which of these does NOT belong with the rest?
    • A) strychnine
    • B) nicotine
    • C) alkaline
    • D) alkaloid
  36. The nerves, which convey taste sensations, are the following except which one?
  37. The gustatory cortex is located within the _____ lobe.
  38. Which of these does not belong with the others?
  39. The purpose of the auricle is to _____ sound waves.
    act as a collector of
  40. The first structure to vibrate in response to sounds is ____
    tympanic membrane
  41. The purpose of the ossicles is to _____ the incoming vibrations.
    increase the force of
  42. The stapes sends its vibrations to the _____
    oval window
  43. Which of these does NOT belong with the others?
    increase sound
  44. The auditory tube acts to equalize pressure between the middle ear and _____.
  45. The term labyrinth refers to the appearance of the _____.
    inner ear
  46. The membranous labyrinth contains _____ fluid.
  47. The portion of the inner ear, which detects sounds, is the _____.
  48. Reissner's membrane separates the cochlear duct from the _____.
    scala vestibuli
  49. Vibrations from the _____ reach the scala vestibuli first.
    oval window
  50. Stimulation of the crista ampullaris results in _____.
    feeling of motion
  51. The term for eyelid is _____.
  52. Tears drain into the openings of the _____.
  53. Movement of the eyeball is effected by muscles innervated mainly by the _____ nerve
  54. The outer covering of the eye is called the _____.
  55. The suspensory ligaments attach to the _____.
  56. The process of adjusting vision from a near to a distant object is called _____
  57. An increase in aqueous fluid pressure is a symptom of _____
  58. Which of the following is the first to come into contact with light?
    ganglion cells
  59. The point of sharpest retinal vision is called the _____.
    optic disk
  60. The portion(s) of the tongue that actually perceives taste is/are the _____________.
  61. How do the senses of smell and taste differ?
    They differ in their rate of sensory adaptation.
  62. Why do odors sometimes alter our moods?
    Because sensory input from olfaction is routed through the limbic system.
  63. The chamber that actually houses the hearing receptors is the __________________.
    cochlear duct
  64. After the inner ear has detected vibrations caused by sound, how is the energy dissipated?
    air inside the middle ear dissipates the forces caused by vibrations
  65. The organs of static equilibrium are located within the ______________ and employ shifting ___________ to set up nerve impulses.
    vestibule; otoliths
  66. The inner surface of the eyelids is lined with ______________.
    lacrimal apparatus
  67. The region on the retina that produces the sharpest vision is called the _______________.
    fovea centralis